Leetcode

A list of every single leetcode problem as of 2025.

Hopefully this list saves someone some time; it didn’t exist when I went looking for it.

Scraped by a tmux wizard.

category	number of problems
Array	1977
String	809
Hash Table	722
Dynamic Programming	609
Math	607
Sorting	467
Greedy	430
Depth-First Search	329
Binary Search	318
Database	310
Matrix	263
Tree	252
Breadth-First Search	248
Bit Manipulation	247
Two Pointers	224
Prefix Sum	210
Heap (Priority Queue)	200
Simulation	187
Binary Tree	177
Graph	175
Stack	172
Counting	168
Sliding Window	155
Design	130
Enumeration	123
Backtracking	109
Union Find	93
Linked List	81
Number Theory	80
Ordered Set	74
Monotonic Stack	69
Segment Tree	66
Trie	58
Combinatorics	56
Bitmask	55
Divide and Conquer	53
Queue	50
Recursion	49
Geometry	44
Binary Indexed Tree	44
Memoization	42
Hash Function	40
Binary Search Tree	40
Shortest Path	37
String Matching	37
Topological Sort	37
Rolling Hash	31
Game Theory	29
Interactive	23
Data Stream	21
Monotonic Queue	20
Brainteaser	19
Doubly-Linked List	13
Randomized	12
Merge Sort	12
Counting Sort	11
Iterator	9
Concurrency	9
Probability and Statistics	7
Quickselect	7
Suffix Array	7
Line Sweep	7
Minimum Spanning Tree	6
Bucket Sort	6
Shell	4
Reservoir Sampling	4
Strongly Connected Component	3
Eulerian Circuit	3
Radix Sort	3
Rejection Sampling	2
Biconnected Component	1

problem number	title	acceptance rate	difficulty
1.	Two Sum	56.2%	Easy
2.	Add Two Numbers	46.8%	Med.
3.	Longest Substring Without Repeating Characters	37.4%	Med.
4.	Median of Two Sorted Arrays	44.5%	Hard
5.	Longest Palindromic Substring	36.3%	Med.
6.	Zigzag Conversion	52.2%	Med.
7.	Reverse Integer	30.6%	Med.
8.	String to Integer (atoi)	19.6%	Med.
9.	Palindrome Number	59.5%	Easy
10.	Regular Expression Matching	29.5%	Hard
11.	Container With Most Water	58.2%	Med.
12.	Integer to Roman	69.2%	Med.
13.	Roman to Integer	65.3%	Easy
14.	Longest Common Prefix	46.0%	Easy
15.	3Sum	37.5%	Med.
16.	3Sum Closest	47.2%	Med.
17.	Letter Combinations of a Phone Number	64.4%	Med.
18.	4Sum	38.7%	Med.
19.	Remove Nth Node From End of List	49.6%	Med.
20.	Valid Parentheses	42.7%	Easy
21.	Merge Two Sorted Lists	67.2%	Easy
22.	Generate Parentheses	77.5%	Med.
23.	Merge k Sorted Lists	57.4%	Hard
24.	Swap Nodes in Pairs	67.7%	Med.
25.	Reverse Nodes in k-Group	63.8%	Hard
26.	Remove Duplicates from Sorted Array	61.0%	Easy
27.	Remove Element	60.4%	Easy
28.	Find the Index of the First Occurrence in a String	45.4%	Easy
29.	Divide Two Integers	18.6%	Med.
30.	Substring with Concatenation of All Words	33.2%	Hard
31.	Next Permutation	43.6%	Med.
32.	Longest Valid Parentheses	36.8%	Hard
33.	Search in Rotated Sorted Array	43.3%	Med.
34.	Find First and Last Position of Element in Sorted Array	47.3%	Med.
35.	Search Insert Position	49.5%	Easy
36.	Valid Sudoku	62.7%	Med.
37.	Sudoku Solver	64.1%	Hard
38.	Count and Say	61.1%	Med.
39.	Combination Sum	75.2%	Med.
40.	Combination Sum II	58.1%	Med.
41.	First Missing Positive	41.4%	Hard
42.	Trapping Rain Water	65.7%	Hard
43.	Multiply Strings	42.6%	Med.
44.	Wildcard Matching	30.4%	Hard
45.	Jump Game II	41.8%	Med.
46.	Permutations	81.0%	Med.
47.	Permutations II	62.0%	Med.
48.	Rotate Image	78.4%	Med.
49.	Group Anagrams	71.3%	Med.
50.	Pow(x, n)	37.4%	Med.
51.	N-Queens	73.6%	Hard
52.	N-Queens II	77.2%	Hard
53.	Maximum Subarray	52.4%	Med.
54.	Spiral Matrix	54.7%	Med.
55.	Jump Game	39.8%	Med.
56.	Merge Intervals	49.8%	Med.
57.	Insert Interval	43.9%	Med.
58.	Length of Last Word	56.9%	Easy
59.	Spiral Matrix II	73.8%	Med.
60.	Permutation Sequence	50.5%	Hard
61.	Rotate List	40.3%	Med.
62.	Unique Paths	66.0%	Med.
63.	Unique Paths II	43.5%	Med.
64.	Minimum Path Sum	67.0%	Med.
65.	Valid Number	21.8%	Hard
66.	Plus One	47.9%	Easy
67.	Add Binary	56.0%	Easy
68.	Text Justification	48.8%	Hard
69.	Sqrt(x)	40.6%	Easy
70.	Climbing Stairs	53.7%	Easy
71.	Simplify Path	48.5%	Med.
72.	Edit Distance	59.3%	Med.
73.	Set Matrix Zeroes	61.3%	Med.
74.	Search a 2D Matrix	52.7%	Med.
75.	Sort Colors	68.1%	Med.
76.	Minimum Window Substring	45.9%	Hard
77.	Combinations	73.3%	Med.
78.	Subsets	81.3%	Med.
79.	Word Search	45.8%	Med.
80.	Remove Duplicates from Sorted Array II	63.3%	Med.
81.	Search in Rotated Sorted Array II	39.1%	Med.
82.	Remove Duplicates from Sorted List II	50.4%	Med.
83.	Remove Duplicates from Sorted List	55.3%	Easy
84.	Largest Rectangle in Histogram	48.1%	Hard
85.	Maximal Rectangle	54.5%	Hard
86.	Partition List	59.5%	Med.
87.	Scramble String	42.7%	Hard
88.	Merge Sorted Array	53.4%	Easy
89.	Gray Code	62.4%	Med.
90.	Subsets II	60.0%	Med.
91.	Decode Ways	36.9%	Med.
92.	Reverse Linked List II	50.0%	Med.
93.	Restore IP Addresses	53.8%	Med.
94.	Binary Tree Inorder Traversal	79.0%	Easy
95.	Unique Binary Search Trees II	60.9%	Med.
96.	Unique Binary Search Trees	62.7%	Med.
97.	Interleaving String	42.6%	Med.
98.	Validate Binary Search Tree	34.7%	Med.
99.	Recover Binary Search Tree	57.2%	Med.
100.	Same Tree	65.6%	Easy
101.	Symmetric Tree	59.8%	Easy
102.	Binary Tree Level Order Traversal	71.1%	Med.
103.	Binary Tree Zigzag Level Order Traversal	62.2%	Med.
104.	Maximum Depth of Binary Tree	77.4%	Easy
105.	Construct Binary Tree from Preorder and Inorder Traversal	67.4%	Med.
106.	Construct Binary Tree from Inorder and Postorder Traversal	66.8%	Med.
107.	Binary Tree Level Order Traversal II	66.5%	Med.
108.	Convert Sorted Array to Binary Search Tree	74.4%	Easy
109.	Convert Sorted List to Binary Search Tree	64.9%	Med.
110.	Balanced Binary Tree	55.9%	Easy
111.	Minimum Depth of Binary Tree	51.2%	Easy
112.	Path Sum	53.5%	Easy
113.	Path Sum II	60.9%	Med.
114.	Flatten Binary Tree to Linked List	69.1%	Med.
115.	Distinct Subsequences	50.6%	Hard
116.	Populating Next Right Pointers in Each Node	65.9%	Med.
117.	Populating Next Right Pointers in Each Node II	56.0%	Med.
118.	Pascal’s Triangle	78.0%	Easy
119.	Pascal’s Triangle II	66.3%	Easy
120.	Triangle	59.4%	Med.
121.	Best Time to Buy and Sell Stock	55.6%	Easy
122.	Best Time to Buy and Sell Stock II	69.9%	Med.
123.	Best Time to Buy and Sell Stock III	51.9%	Hard
124.	Binary Tree Maximum Path Sum	41.5%	Hard
125.	Valid Palindrome	51.6%	Easy
126.	Word Ladder II	27.2%	Hard
127.	Word Ladder	43.5%	Hard
128.	Longest Consecutive Sequence	47.0%	Med.
129.	Sum Root to Leaf Numbers	68.9%	Med.
130.	Surrounded Regions	43.5%	Med.
131.	Palindrome Partitioning	72.7%	Med.
132.	Palindrome Partitioning II	35.7%	Hard
133.	Clone Graph	63.1%	Med.
134.	Gas Station	46.7%	Med.
135.	Candy	47.1%	Hard
136.	Single Number	76.4%	Easy
137.	Single Number II	65.7%	Med.
138.	Copy List with Random Pointer	61.2%	Med.
139.	Word Break	48.5%	Med.
140.	Word Break II	54.0%	Hard
141.	Linked List Cycle	53.0%	Easy
142.	Linked List Cycle II	55.7%	Med.
143.	Reorder List	63.2%	Med.
144.	Binary Tree Preorder Traversal	73.9%	Easy
145.	Binary Tree Postorder Traversal	76.4%	Easy
146.	LRU Cache	45.7%	Med.
147.	Insertion Sort List	57.0%	Med.
148.	Sort List	62.5%	Med.
149.	Max Points on a Line	29.3%	Hard
150.	Evaluate Reverse Polish Notation	55.5%	Med.
151.	Reverse Words in a String	53.2%	Med.
152.	Maximum Product Subarray	35.3%	Med.
153.	Find Minimum in Rotated Sorted Array	53.0%	Med.
154.	Find Minimum in Rotated Sorted Array II	44.2%	Hard
155.	Min Stack	56.9%	Med.
156.	Binary Tree Upside Down	64.7%	Med.
157.	Read N Characters Given Read4	42.3%	Easy
158.	Read N Characters Given read4 II - Call Multiple Times	43.0%	Hard
159.	Longest Substring with At Most Two Distinct Characters	56.6%	Med.
160.	Intersection of Two Linked Lists	61.8%	Easy
161.	One Edit Distance	34.5%	Med.
162.	Find Peak Element	46.6%	Med.
163.	Missing Ranges	35.4%	Easy
164.	Maximum Gap	49.9%	Med.
165.	Compare Version Numbers	42.7%	Med.
166.	Fraction to Recurring Decimal	26.5%	Med.
167.	Two Sum II - Input Array Is Sorted	63.8%	Med.
168.	Excel Sheet Column Title	44.1%	Easy
169.	Majority Element	65.8%	Easy
170.	Two Sum III - Data structure design	38.7%	Easy
171.	Excel Sheet Column Number	66.2%	Easy
172.	Factorial Trailing Zeroes	45.2%	Med.
173.	Binary Search Tree Iterator	75.4%	Med.
174.	Dungeon Game	39.9%	Hard
175.	Combine Two Tables	78.4%	Easy
176.	Second Highest Salary	44.7%	Med.
177.	Nth Highest Salary	38.3%	Med.
178.	Rank Scores	65.8%	Med.
179.	Largest Number	41.6%	Med.
180.	Consecutive Numbers	46.6%	Med.
181.	Employees Earning More Than Their Managers	71.9%	Easy
182.	Duplicate Emails	72.7%	Easy
183.	Customers Who Never Order	70.9%	Easy
184.	Department Highest Salary	55.5%	Med.
185.	Department Top Three Salaries	58.4%	Hard
186.	Reverse Words in a String II	56.2%	Med.
187.	Repeated DNA Sequences	51.8%	Med.
188.	Best Time to Buy and Sell Stock IV	48.0%	Hard
189.	Rotate Array	43.5%	Med.
190.	Reverse Bits	64.0%	Easy
191.	Number of 1 Bits	75.1%	Easy
192.	Word Frequency	27.5%	Med.
193.	Valid Phone Numbers	27.9%	Easy
194.	Transpose File	28.9%	Med.
195.	Tenth Line	34.9%	Easy
196.	Delete Duplicate Emails	64.7%	Easy
197.	Rising Temperature	50.5%	Easy
198.	House Robber	52.5%	Med.
199.	Binary Tree Right Side View	67.9%	Med.
200.	Number of Islands	62.8%	Med.
201.	Bitwise AND of Numbers Range	48.0%	Med.
202.	Happy Number	58.4%	Easy
203.	Remove Linked List Elements	52.5%	Easy
204.	Count Primes	35.1%	Med.
205.	Isomorphic Strings	47.3%	Easy
206.	Reverse Linked List	79.6%	Easy
207.	Course Schedule	49.8%	Med.
208.	Implement Trie (Prefix Tree)	68.4%	Med.
209.	Minimum Size Subarray Sum	49.9%	Med.
210.	Course Schedule II	54.0%	Med.
211.	Design Add and Search Words Data Structure	47.4%	Med.
212.	Word Search II	37.5%	Hard
213.	House Robber II	43.9%	Med.
214.	Shortest Palindrome	41.0%	Hard
215.	Kth Largest Element in an Array	68.3%	Med.
216.	Combination Sum III	72.3%	Med.
217.	Contains Duplicate	63.5%	Easy
218.	The Skyline Problem	44.2%	Hard
219.	Contains Duplicate II	49.5%	Easy
220.	Contains Duplicate III	23.8%	Hard
221.	Maximal Square	49.2%	Med.
222.	Count Complete Tree Nodes	70.7%	Easy
223.	Rectangle Area	47.6%	Med.
224.	Basic Calculator	46.0%	Hard
225.	Implement Stack using Queues	68.1%	Easy
226.	Invert Binary Tree	79.3%	Easy
227.	Basic Calculator II	46.1%	Med.
228.	Summary Ranges	53.3%	Easy
229.	Majority Element II	54.9%	Med.
230.	Kth Smallest Element in a BST	75.7%	Med.
231.	Power of Two	49.3%	Easy
232.	Implement Queue using Stacks	68.5%	Easy
233.	Number of Digit One	36.3%	Hard
234.	Palindrome Linked List	56.4%	Easy
235.	Lowest Common Ancestor of a Binary Search Tree	68.9%	Med.
236.	Lowest Common Ancestor of a Binary Tree	67.5%	Med.
237.	Delete Node in a Linked List	82.8%	Med.
238.	Product of Array Except Self	68.0%	Med.
239.	Sliding Window Maximum	47.9%	Hard
240.	Search a 2D Matrix II	55.8%	Med.
241.	Different Ways to Add Parentheses	72.6%	Med.
242.	Valid Anagram	67.0%	Easy
243.	Shortest Word Distance	66.0%	Easy
244.	Shortest Word Distance II	62.2%	Med.
245.	Shortest Word Distance III	59.2%	Med.
246.	Strobogrammatic Number	47.6%	Easy
247.	Strobogrammatic Number II	53.3%	Med.
248.	Strobogrammatic Number III	42.5%	Hard
249.	Group Shifted Strings	67.5%	Med.
250.	Count Univalue Subtrees	57.2%	Med.
251.	Flatten 2D Vector	50.2%	Med.
252.	Meeting Rooms	59.0%	Easy
253.	Meeting Rooms II	52.2%	Med.
254.	Factor Combinations	50.3%	Med.
255.	Verify Preorder Sequence in Binary Search Tree	51.4%	Med.
256.	Paint House	63.9%	Med.
257.	Binary Tree Paths	67.1%	Easy
258.	Add Digits	68.1%	Easy
259.	3Sum Smaller	51.0%	Med.
260.	Single Number III	70.5%	Med.
261.	Graph Valid Tree	49.5%	Med.
262.	Trips and Users	37.1%	Hard
263.	Ugly Number	42.5%	Easy
264.	Ugly Number II	49.3%	Med.
265.	Paint House II	56.6%	Hard
266.	Palindrome Permutation	68.5%	Easy
267.	Palindrome Permutation II	42.2%	Med.
268.	Missing Number	70.6%	Easy
269.	Alien Dictionary	36.8%	Hard
270.	Closest Binary Search Tree Value	49.6%	Easy
271.	Encode and Decode Strings	50.1%	Med.
272.	Closest Binary Search Tree Value II	60.6%	Hard
273.	Integer to English Words	34.5%	Hard
274.	H-Index	40.6%	Med.
275.	H-Index II	39.0%	Med.
276.	Paint Fence	47.9%	Med.
277.	Find the Celebrity	48.5%	Med.
278.	First Bad Version	46.2%	Easy
279.	Perfect Squares	55.9%	Med.
280.	Wiggle Sort	68.3%	Med.
281.	Zigzag Iterator	66.0%	Med.
282.	Expression Add Operators	42.1%	Hard
283.	Move Zeroes	63.0%	Easy
284.	Peeking Iterator	60.6%	Med.
285.	Inorder Successor in BST	50.9%	Med.
286.	Walls and Gates	63.2%	Med.
287.	Find the Duplicate Number	63.2%	Med.
288.	Unique Word Abbreviation	27.2%	Med.
289.	Game of Life	71.7%	Med.
290.	Word Pattern	43.3%	Easy
291.	Word Pattern II	48.7%	Med.
292.	Nim Game	58.4%	Easy
293.	Flip Game	64.9%	Easy
294.	Flip Game II	52.2%	Med.
295.	Find Median from Data Stream	53.6%	Hard
296.	Best Meeting Point	61.2%	Hard
297.	Serialize and Deserialize Binary Tree	59.4%	Hard
298.	Binary Tree Longest Consecutive Sequence	54.2%	Med.
299.	Bulls and Cows	51.6%	Med.
300.	Longest Increasing Subsequence	58.3%	Med.
301.	Remove Invalid Parentheses	49.4%	Hard
302.	Smallest Rectangle Enclosing Black Pixels	60.7%	Hard
303.	Range Sum Query - Immutable	69.5%	Easy
304.	Range Sum Query 2D - Immutable	56.9%	Med.
305.	Number of Islands II	40.2%	Hard
306.	Additive Number	32.8%	Med.
307.	Range Sum Query - Mutable	42.0%	Med.
308.	Range Sum Query 2D - Mutable	45.0%	Med.
309.	Best Time to Buy and Sell Stock with Cooldown	60.9%	Med.
310.	Minimum Height Trees	42.1%	Med.
311.	Sparse Matrix Multiplication	69.0%	Med.
312.	Burst Balloons	61.9%	Hard
313.	Super Ugly Number	45.5%	Med.
314.	Binary Tree Vertical Order Traversal	57.4%	Med.
315.	Count of Smaller Numbers After Self	43.0%	Hard
316.	Remove Duplicate Letters	51.7%	Med.
317.	Shortest Distance from All Buildings	44.6%	Hard
318.	Maximum Product of Word Lengths	60.7%	Med.
319.	Bulb Switcher	54.4%	Med.
320.	Generalized Abbreviation	60.2%	Med.
321.	Create Maximum Number	33.1%	Hard
322.	Coin Change	47.0%	Med.
323.	Number of Connected Components in an Undirected Graph	64.4%	Med.
324.	Wiggle Sort II	36.0%	Med.
325.	Maximum Size Subarray Sum Equals k	50.6%	Med.
326.	Power of Three	49.9%	Easy
327.	Count of Range Sum	37.3%	Hard
328.	Odd Even Linked List	62.1%	Med.
329.	Longest Increasing Path in a Matrix	55.7%	Hard
330.	Patching Array	53.7%	Hard
331.	Verify Preorder Serialization of a Binary Tree	46.4%	Med.
332.	Reconstruct Itinerary	43.8%	Hard
333.	Largest BST Subtree	45.7%	Med.
334.	Increasing Triplet Subsequence	39.2%	Med.
335.	Self Crossing	32.6%	Hard
336.	Palindrome Pairs	36.5%	Hard
337.	House Robber III	55.1%	Med.
338.	Counting Bits	80.0%	Easy
339.	Nested List Weight Sum	85.7%	Med.
340.	Longest Substring with At Most K Distinct Characters	49.6%	Med.
341.	Flatten Nested List Iterator	65.3%	Med.
342.	Power of Four	51.0%	Easy
343.	Integer Break	61.3%	Med.
344.	Reverse String	80.0%	Easy
345.	Reverse Vowels of a String	59.0%	Easy
346.	Moving Average from Data Stream	80.0%	Easy
347.	Top K Frequent Elements	64.7%	Med.
348.	Design Tic-Tac-Toe	58.7%	Med.
349.	Intersection of Two Arrays	76.8%	Easy
350.	Intersection of Two Arrays II	59.2%	Easy
351.	Android Unlock Patterns	53.5%	Med.
352.	Data Stream as Disjoint Intervals	59.6%	Hard
353.	Design Snake Game	39.8%	Med.
354.	Russian Doll Envelopes	37.4%	Hard
355.	Design Twitter	43.2%	Med.
356.	Line Reflection	36.1%	Med.
357.	Count Numbers with Unique Digits	54.6%	Med.
358.	Rearrange String k Distance Apart	39.4%	Hard
359.	Logger Rate Limiter	76.7%	Easy
360.	Sort Transformed Array	57.2%	Med.
361.	Bomb Enemy	52.7%	Med.
362.	Design Hit Counter	69.3%	Med.
363.	Max Sum of Rectangle No Larger Than K	44.8%	Hard
364.	Nested List Weight Sum II	65.8%	Med.
365.	Water and Jug Problem	43.6%	Med.
366.	Find Leaves of Binary Tree	81.1%	Med.
367.	Valid Perfect Square	44.3%	Easy
368.	Largest Divisible Subset	49.0%	Med.
369.	Plus One Linked List	61.2%	Med.
370.	Range Addition	72.4%	Med.
371.	Sum of Two Integers	54.2%	Med.
372.	Super Pow	35.6%	Med.
373.	Find K Pairs with Smallest Sums	40.9%	Med.
374.	Guess Number Higher or Lower	56.2%	Easy
375.	Guess Number Higher or Lower II	51.5%	Med.
376.	Wiggle Subsequence	49.0%	Med.
377.	Combination Sum IV	54.7%	Med.
378.	Kth Smallest Element in a Sorted Matrix	63.8%	Med.
379.	Design Phone Directory	52.5%	Med.
380.	Insert Delete GetRandom O(1)	55.1%	Med.
381.	Insert Delete GetRandom O(1) - Duplicates allowed	35.9%	Hard
382.	Linked List Random Node	64.2%	Med.
383.	Ransom Note	64.9%	Easy
384.	Shuffle an Array	59.2%	Med.
385.	Mini Parser	40.7%	Med.
386.	Lexicographical Numbers	76.1%	Med.
387.	First Unique Character in a String	64.1%	Easy
388.	Longest Absolute File Path	48.6%	Med.
389.	Find the Difference	59.8%	Easy
390.	Elimination Game	45.1%	Med.
391.	Perfect Rectangle	35.7%	Hard
392.	Is Subsequence	48.5%	Easy
393.	UTF-8 Validation	45.6%	Med.
394.	Decode String	61.5%	Med.
395.	Longest Substring with At Least K Repeating Characters	45.6%	Med.
396.	Rotate Function	44.4%	Med.
397.	Integer Replacement	36.7%	Med.
398.	Random Pick Index	64.7%	Med.
399.	Evaluate Division	63.4%	Med.
400.	Nth Digit	35.9%	Med.
401.	Binary Watch	57.0%	Easy
402.	Remove K Digits	35.5%	Med.
403.	Frog Jump	46.7%	Hard
404.	Sum of Left Leaves	61.9%	Easy
405.	Convert a Number to Hexadecimal	51.5%	Easy
406.	Queue Reconstruction by Height	74.3%	Med.
407.	Trapping Rain Water II	59.0%	Hard
408.	Valid Word Abbreviation	36.9%	Easy
409.	Longest Palindrome	55.6%	Easy
410.	Split Array Largest Sum	58.7%	Hard
411.	Minimum Unique Word Abbreviation	40.2%	Hard
412.	Fizz Buzz	74.7%	Easy
413.	Arithmetic Slices	64.8%	Med.
414.	Third Maximum Number	37.7%	Easy
415.	Add Strings	51.9%	Easy
416.	Partition Equal Subset Sum	48.7%	Med.
417.	Pacific Atlantic Water Flow	58.0%	Med.
418.	Sentence Screen Fitting	36.4%	Med.
419.	Battleships in a Board	76.8%	Med.
420.	Strong Password Checker	14.8%	Hard
421.	Maximum XOR of Two Numbers in an Array	53.3%	Med.
422.	Valid Word Square	42.1%	Easy
423.	Reconstruct Original Digits from English	51.7%	Med.
424.	Longest Repeating Character Replacement	57.8%	Med.
425.	Word Squares	54.4%	Hard
426.	Convert Binary Search Tree to Sorted Doubly Linked List	65.6%	Med.
427.	Construct Quad Tree	77.5%	Med.
428.	Serialize and Deserialize N-ary Tree	68.4%	Hard
429.	N-ary Tree Level Order Traversal	71.3%	Med.
430.	Flatten a Multilevel Doubly Linked List	61.7%	Med.
431.	Encode N-ary Tree to Binary Tree	80.2%	Hard
432.	All O`one Data Structure	44.1%	Hard
433.	Minimum Genetic Mutation	55.8%	Med.
434.	Number of Segments in a String	36.5%	Easy
435.	Non-overlapping Intervals	55.9%	Med.
436.	Find Right Interval	54.4%	Med.
437.	Path Sum III	46.1%	Med.
438.	Find All Anagrams in a String	52.5%	Med.
439.	Ternary Expression Parser	62.1%	Med.
440.	K-th Smallest in Lexicographical Order	46.0%	Hard
441.	Arranging Coins	47.5%	Easy
442.	Find All Duplicates in an Array	76.5%	Med.
443.	String Compression	58.6%	Med.
444.	Sequence Reconstruction	29.7%	Med.
445.	Add Two Numbers II	61.9%	Med.
446.	Arithmetic Slices II - Subsequence	54.6%	Hard
447.	Number of Boomerangs	56.6%	Med.
448.	Find All Numbers Disappeared in an Array	62.7%	Easy
449.	Serialize and Deserialize BST	58.8%	Med.
450.	Delete Node in a BST	53.4%	Med.
451.	Sort Characters By Frequency	74.5%	Med.
452.	Minimum Number of Arrows to Burst Balloons	60.7%	Med.
453.	Minimum Moves to Equal Array Elements	58.0%	Med.
454.	4Sum II	57.7%	Med.
455.	Assign Cookies	54.3%	Easy
456.	132 Pattern	34.2%	Med.
457.	Circular Array Loop	35.9%	Med.
458.	Poor Pigs	59.1%	Hard
459.	Repeated Substring Pattern	47.1%	Easy
460.	LFU Cache	47.3%	Hard
461.	Hamming Distance	76.2%	Easy
462.	Minimum Moves to Equal Array Elements II	61.1%	Med.
463.	Island Perimeter	73.7%	Easy
464.	Can I Win	30.6%	Med.
465.	Optimal Account Balancing	50.1%	Hard
466.	Count The Repetitions	32.4%	Hard
467.	Unique Substrings in Wraparound String	41.6%	Med.
468.	Validate IP Address	27.9%	Med.
469.	Convex Polygon	40.0%	Med.
470.	Implement Rand10() Using Rand7()	45.9%	Med.
471.	Encode String with Shortest Length	50.5%	Hard
472.	Concatenated Words	49.5%	Hard
473.	Matchsticks to Square	41.2%	Med.
474.	Ones and Zeroes	49.1%	Med.
475.	Heaters	40.4%	Med.
476.	Number Complement	70.3%	Easy
477.	Total Hamming Distance	54.0%	Med.
478.	Generate Random Point in a Circle	41.4%	Med.
479.	Largest Palindrome Product	35.6%	Hard
480.	Sliding Window Median	38.7%	Hard
481.	Magical String	52.9%	Med.
482.	License Key Formatting	44.9%	Easy
483.	Smallest Good Base	44.0%	Hard
484.	Find Permutation	66.9%	Med.
485.	Max Consecutive Ones	63.1%	Easy
486.	Predict the Winner	55.9%	Med.
487.	Max Consecutive Ones II	51.7%	Med.
488.	Zuma Game	31.2%	Hard
489.	Robot Room Cleaner	77.6%	Hard
490.	The Maze	59.7%	Med.
491.	Non-decreasing Subsequences	61.9%	Med.
492.	Construct the Rectangle	61.3%	Easy
493.	Reverse Pairs	32.7%	Hard
494.	Target Sum	51.2%	Med.
495.	Teemo Attacking	57.0%	Easy
496.	Next Greater Element I	75.0%	Easy
497.	Random Point in Non-overlapping Rectangles	38.4%	Med.
498.	Diagonal Traverse	63.8%	Med.
499.	The Maze III	50.9%	Hard
500.	Keyboard Row	72.9%	Easy
501.	Find Mode in Binary Search Tree	57.8%	Easy
502.	IPO	53.1%	Hard
503.	Next Greater Element II	67.0%	Med.
504.	Base 7	52.4%	Easy
505.	The Maze II	54.4%	Med.
506.	Relative Ranks	73.7%	Easy
507.	Perfect Number	45.7%	Easy
508.	Most Frequent Subtree Sum	68.2%	Med.
509.	Fibonacci Number	73.3%	Easy
510.	Inorder Successor in BST II	61.0%	Med.
511.	Game Play Analysis I	75.9%	Easy
512.	Game Play Analysis II	54.2%	Easy
513.	Find Bottom Left Tree Value	71.9%	Med.
514.	Freedom Trail	59.0%	Hard
515.	Find Largest Value in Each Tree Row	66.3%	Med.
516.	Longest Palindromic Subsequence	64.5%	Med.
517.	Super Washing Machines	42.9%	Hard
518.	Coin Change II	61.4%	Med.
519.	Random Flip Matrix	44.1%	Med.
520.	Detect Capital	56.1%	Easy
521.	Longest Uncommon Subsequence I	61.5%	Easy
522.	Longest Uncommon Subsequence II	43.5%	Med.
523.	Continuous Subarray Sum	31.0%	Med.
524.	Longest Word in Dictionary through Deleting	52.1%	Med.
525.	Contiguous Array	49.7%	Med.
526.	Beautiful Arrangement	64.6%	Med.
527.	Word Abbreviation	62.5%	Hard
528.	Random Pick with Weight	48.5%	Med.
529.	Minesweeper	68.3%	Med.
530.	Minimum Absolute Difference in BST	58.9%	Easy
531.	Lonely Pixel I	62.5%	Med.
532.	K-diff Pairs in an Array	45.0%	Med.
533.	Lonely Pixel II	48.7%	Med.
534.	Game Play Analysis III	81.3%	Med.
535.	Encode and Decode TinyURL	86.4%	Med.
536.	Construct Binary Tree from String	58.5%	Med.
537.	Complex Number Multiplication	72.6%	Med.
538.	Convert BST to Greater Tree	70.8%	Med.
539.	Minimum Time Difference	62.4%	Med.
540.	Single Element in a Sorted Array	59.2%	Med.
541.	Reverse String II	52.5%	Easy
542.	01 Matrix	52.2%	Med.
543.	Diameter of Binary Tree	64.1%	Easy
544.	Output Contest Matches	77.4%	Med.
545.	Boundary of Binary Tree	47.3%	Med.
546.	Remove Boxes	48.5%	Hard
547.	Number of Provinces	69.2%	Med.
548.	Split Array with Equal Sum	50.0%	Hard
549.	Binary Tree Longest Consecutive Sequence II	49.6%	Med.
550.	Game Play Analysis IV	39.8%	Med.
551.	Student Attendance Record I	49.7%	Easy
552.	Student Attendance Record II	56.0%	Hard
553.	Optimal Division	62.1%	Med.
554.	Brick Wall	55.9%	Med.
555.	Split Concatenated Strings	43.4%	Med.
556.	Next Greater Element III	34.8%	Med.
557.	Reverse Words in a String III	83.7%	Easy
558.	Logical OR of Two Binary Grids Represented as Quad-Trees	51.1%	Med.
559.	Maximum Depth of N-ary Tree	73.1%	Easy
560.	Subarray Sum Equals K	45.9%	Med.
561.	Array Partition	80.8%	Easy
562.	Longest Line of Consecutive One in Matrix	50.5%	Med.
563.	Binary Tree Tilt	64.5%	Easy
564.	Find the Closest Palindrome	31.7%	Hard
565.	Array Nesting	56.1%	Med.
566.	Reshape the Matrix	64.1%	Easy
567.	Permutation in String	47.6%	Med.
568.	Maximum Vacation Days	46.5%	Hard
569.	Median Employee Salary	66.1%	Hard
570.	Managers with at Least 5 Direct Reports	49.0%	Med.
571.	Find Median Given Frequency of Numbers	42.4%	Hard
572.	Subtree of Another Tree	50.4%	Easy
573.	Squirrel Simulation	57.3%	Med.
574.	Winning Candidate	62.2%	Med.
575.	Distribute Candies	70.0%	Easy
576.	Out of Boundary Paths	48.2%	Med.
577.	Employee Bonus	76.9%	Easy
578.	Get Highest Answer Rate Question	40.1%	Med.
579.	Find Cumulative Salary of an Employee	49.0%	Hard
580.	Count Student Number in Departments	59.8%	Med.
581.	Shortest Unsorted Continuous Subarray	37.6%	Med.
582.	Kill Process	70.1%	Med.
583.	Delete Operation for Two Strings	64.4%	Med.
584.	Find Customer Referee	71.9%	Easy
585.	Investments in 2016	50.3%	Med.
586.	Customer Placing the Largest Number of Orders	64.1%	Easy
587.	Erect the Fence	52.4%	Hard
588.	Design In-Memory File System	48.3%	Hard
589.	N-ary Tree Preorder Traversal	76.4%	Easy
590.	N-ary Tree Postorder Traversal	80.8%	Easy
591.	Tag Validator	39.4%	Hard
592.	Fraction Addition and Subtraction	66.2%	Med.
593.	Valid Square	44.5%	Med.
594.	Longest Harmonious Subsequence	63.8%	Easy
595.	Big Countries	68.3%	Easy
596.	Classes With at Least 5 Students	61.5%	Easy
597.	Friend Requests I: Overall Acceptance Rate	41.3%	Easy
598.	Range Addition II	57.5%	Easy
599.	Minimum Index Sum of Two Lists	58.4%	Easy
600.	Non-negative Integers without Consecutive Ones	40.6%	Hard
601.	Human Traffic of Stadium	49.9%	Hard
602.	Friend Requests II: Who Has the Most Friends	61.4%	Med.
603.	Consecutive Available Seats	65.3%	Easy
604.	Design Compressed String Iterator	40.2%	Easy
605.	Can Place Flowers	28.9%	Easy
606.	Construct String from Binary Tree	70.3%	Med.
607.	Sales Person	65.9%	Easy
608.	Tree Node	74.2%	Med.
609.	Find Duplicate File in System	67.6%	Med.
610.	Triangle Judgement	74.0%	Easy
611.	Valid Triangle Number	52.7%	Med.
612.	Shortest Distance in a Plane	61.2%	Med.
613.	Shortest Distance in a Line	79.9%	Easy
614.	Second Degree Follower	40.2%	Med.
615.	Average Salary: Departments VS Company	56.8%	Hard
616.	Add Bold Tag in String	51.1%	Med.
617.	Merge Two Binary Trees	78.8%	Easy
618.	Students Report By Geography	63.7%	Hard
619.	Biggest Single Number	70.1%	Easy
620.	Not Boring Movies	75.0%	Easy
621.	Task Scheduler	61.9%	Med.
622.	Design Circular Queue	52.9%	Med.
623.	Add One Row to Tree	64.1%	Med.
624.	Maximum Distance in Arrays	45.6%	Med.
625.	Minimum Factorization	33.9%	Med.
626.	Exchange Seats	73.0%	Med.
627.	Swap Salary	84.2%	Easy
628.	Maximum Product of Three Numbers	45.4%	Easy
629.	K Inverse Pairs Array	49.0%	Hard
630.	Course Schedule III	40.9%	Hard
631.	Design Excel Sum Formula	41.4%	Hard
632.	Smallest Range Covering Elements from K Lists	69.8%	Hard
633.	Sum of Square Numbers	36.5%	Med.
634.	Find the Derangement of An Array	41.8%	Med.
635.	Design Log Storage System	59.1%	Med.
636.	Exclusive Time of Functions	65.1%	Med.
637.	Average of Levels in Binary Tree	74.3%	Easy
638.	Shopping Offers	52.0%	Med.
639.	Decode Ways II	31.4%	Hard
640.	Solve the Equation	44.9%	Med.
641.	Design Circular Deque	64.4%	Med.
642.	Design Search Autocomplete System	49.5%	Hard
643.	Maximum Average Subarray I	45.9%	Easy
644.	Maximum Average Subarray II	37.5%	Hard
645.	Set Mismatch	45.2%	Easy
646.	Maximum Length of Pair Chain	61.1%	Med.
647.	Palindromic Substrings	72.0%	Med.
648.	Replace Words	68.4%	Med.
649.	Dota2 Senate	49.2%	Med.
650.	2 Keys Keyboard	59.2%	Med.
651.	4 Keys Keyboard	55.9%	Med.
652.	Find Duplicate Subtrees	60.3%	Med.
653.	Two Sum IV - Input is a BST	62.5%	Easy
654.	Maximum Binary Tree	86.1%	Med.
655.	Print Binary Tree	65.8%	Med.
656.	Coin Path	32.5%	Hard
657.	Robot Return to Origin	76.2%	Easy
658.	Find K Closest Elements	48.9%	Med.
659.	Split Array into Consecutive Subsequences	51.7%	Med.
660.	Remove 9	57.4%	Hard
661.	Image Smoother	68.6%	Easy
662.	Maximum Width of Binary Tree	44.5%	Med.
663.	Equal Tree Partition	42.3%	Med.
664.	Strange Printer	60.8%	Hard
665.	Non-decreasing Array	25.1%	Med.
666.	Path Sum IV	62.7%	Med.
667.	Beautiful Arrangement II	60.6%	Med.
668.	Kth Smallest Number in Multiplication Table	53.2%	Hard
669.	Trim a Binary Search Tree	66.4%	Med.
670.	Maximum Swap	51.9%	Med.
671.	Second Minimum Node In a Binary Tree	45.5%	Easy
672.	Bulb Switcher II	49.7%	Med.
673.	Number of Longest Increasing Subsequence	50.5%	Med.
674.	Longest Continuous Increasing Subsequence	51.3%	Easy
675.	Cut Off Trees for Golf Event	35.6%	Hard
676.	Implement Magic Dictionary	56.8%	Med.
677.	Map Sum Pairs	56.9%	Med.
678.	Valid Parenthesis String	39.3%	Med.
679.	24 Game	59.1%	Hard
680.	Valid Palindrome II	43.3%	Easy
681.	Next Closest Time	46.9%	Med.
682.	Baseball Game	79.3%	Easy
683.	K Empty Slots	37.9%	Hard
684.	Redundant Connection	66.7%	Med.
685.	Redundant Connection II	35.4%	Hard
686.	Repeated String Match	37.4%	Med.
687.	Longest Univalue Path	42.9%	Med.
688.	Knight Probability in Chessboard	56.7%	Med.
689.	Maximum Sum of 3 Non-Overlapping Subarrays	59.5%	Hard
690.	Employee Importance	68.7%	Med.
691.	Stickers to Spell Word	50.2%	Hard
692.	Top K Frequent Words	59.5%	Med.
693.	Binary Number with Alternating Bits	63.6%	Easy
694.	Number of Distinct Islands	62.4%	Med.
695.	Max Area of Island	73.4%	Med.
696.	Count Binary Substrings	66.0%	Easy
697.	Degree of an Array	57.6%	Easy
698.	Partition to K Equal Sum Subsets	38.2%	Med.
699.	Falling Squares	46.5%	Hard
700.	Search in a Binary Search Tree	82.0%	Easy
701.	Insert into a Binary Search Tree	73.4%	Med.
702.	Search in a Sorted Array of Unknown Size	72.9%	Med.
703.	Kth Largest Element in a Stream	60.2%	Easy
704.	Binary Search	59.9%	Easy
705.	Design HashSet	67.2%	Easy
706.	Design HashMap	66.0%	Easy
707.	Design Linked List	29.3%	Med.
708.	Insert into a Sorted Circular Linked List	38.3%	Med.
709.	To Lower Case	84.3%	Easy
710.	Random Pick with Blacklist	34.1%	Hard
711.	Number of Distinct Islands II	54.9%	Hard
712.	Minimum ASCII Delete Sum for Two Strings	65.9%	Med.
713.	Subarray Product Less Than K	53.1%	Med.
714.	Best Time to Buy and Sell Stock with Transaction Fee	71.0%	Med.
715.	Range Module	44.3%	Hard
716.	Max Stack	45.6%	Hard
717.	1-bit and 2-bit Characters	45.2%	Easy
718.	Maximum Length of Repeated Subarray	51.1%	Med.
719.	Find K-th Smallest Pair Distance	45.9%	Hard
720.	Longest Word in Dictionary	53.8%	Med.
721.	Accounts Merge	60.1%	Med.
722.	Remove Comments	39.6%	Med.
723.	Candy Crush	77.4%	Med.
724.	Find Pivot Index	61.0%	Easy
725.	Split Linked List in Parts	70.3%	Med.
726.	Number of Atoms	65.0%	Hard
727.	Minimum Window Subsequence	43.6%	Hard
728.	Self Dividing Numbers	79.8%	Easy
729.	My Calendar I	58.2%	Med.
730.	Count Different Palindromic Subsequences	46.8%	Hard
731.	My Calendar II	62.4%	Med.
732.	My Calendar III	70.8%	Hard
733.	Flood Fill	67.0%	Easy
734.	Sentence Similarity	44.6%	Easy
735.	Asteroid Collision	45.9%	Med.
736.	Parse Lisp Expression	53.0%	Hard
737.	Sentence Similarity II	50.8%	Med.
738.	Monotone Increasing Digits	48.9%	Med.
739.	Daily Temperatures	67.6%	Med.
740.	Delete and Earn	56.9%	Med.
741.	Cherry Pickup	38.3%	Hard
742.	Closest Leaf in a Binary Tree	47.1%	Med.
743.	Network Delay Time	58.3%	Med.
744.	Find Smallest Letter Greater Than Target	54.5%	Easy
745.	Prefix and Suffix Search	40.5%	Hard
746.	Min Cost Climbing Stairs	67.5%	Easy
747.	Largest Number At Least Twice of Others	51.1%	Easy
748.	Shortest Completing Word	61.7%	Easy
749.	Contain Virus	53.1%	Hard
750.	Number Of Corner Rectangles	67.8%	Med.
751.	IP to CIDR	54.3%	Med.
752.	Open the Lock	60.8%	Med.
753.	Cracking the Safe	58.0%	Hard
754.	Reach a Number	44.1%	Med.
755.	Pour Water	48.2%	Med.
756.	Pyramid Transition Matrix	53.1%	Med.
757.	Set Intersection Size At Least Two	45.5%	Hard
758.	Bold Words in String	52.2%	Med.
759.	Employee Free Time	72.6%	Hard
760.	Find Anagram Mappings	83.9%	Easy
761.	Special Binary String	64.1%	Hard
762.	Prime Number of Set Bits in Binary Representation	71.4%	Easy
763.	Partition Labels	81.6%	Med.
764.	Largest Plus Sign	48.7%	Med.
765.	Couples Holding Hands	58.7%	Hard
766.	Toeplitz Matrix	69.4%	Easy
767.	Reorganize String	56.4%	Med.
768.	Max Chunks To Make Sorted II	54.4%	Hard
769.	Max Chunks To Make Sorted	64.1%	Med.
770.	Basic Calculator IV	48.9%	Hard
771.	Jewels and Stones	89.3%	Easy
772.	Basic Calculator III	52.7%	Hard
773.	Sliding Puzzle	73.3%	Hard
774.	Minimize Max Distance to Gas Station	53.0%	Hard
775.	Global and Local Inversions	42.4%	Med.
776.	Split BST	82.4%	Med.
777.	Swap Adjacent in LR String	37.6%	Med.
778.	Swim in Rising Water	63.4%	Hard
779.	K-th Symbol in Grammar	47.7%	Med.
780.	Reaching Points	33.8%	Hard
781.	Rabbits in Forest	58.1%	Med.
782.	Transform to Chessboard	50.8%	Hard
783.	Minimum Distance Between BST Nodes	60.6%	Easy
784.	Letter Case Permutation	75.3%	Med.
785.	Is Graph Bipartite?	58.2%	Med.
786.	K-th Smallest Prime Fraction	68.7%	Med.
787.	Cheapest Flights Within K Stops	40.7%	Med.
788.	Rotated Digits	56.5%	Med.
789.	Escape The Ghosts	62.8%	Med.
790.	Domino and Tromino Tiling	51.8%	Med.
791.	Custom Sort String	72.1%	Med.
792.	Number of Matching Subsequences	50.6%	Med.
793.	Preimage Size of Factorial Zeroes Function	46.1%	Hard
794.	Valid Tic-Tac-Toe State	34.7%	Med.
795.	Number of Subarrays with Bounded Maximum	54.2%	Med.
796.	Rotate String	64.3%	Easy
797.	All Paths From Source to Target	83.2%	Med.
798.	Smallest Rotation with Highest Score	52.7%	Hard
799.	Champagne Tower	58.4%	Med.
800.	Similar RGB Color	67.8%	Easy
801.	Minimum Swaps To Make Sequences Increasing	40.9%	Hard
802.	Find Eventual Safe States	69.4%	Med.
803.	Bricks Falling When Hit	36.1%	Hard
804.	Unique Morse Code Words	83.3%	Easy
805.	Split Array With Same Average	26.2%	Hard
806.	Number of Lines To Write String	71.1%	Easy
807.	Max Increase to Keep City Skyline	86.3%	Med.
808.	Soup Servings	60.0%	Med.
809.	Expressive Words	46.5%	Med.
810.	Chalkboard XOR Game	63.6%	Hard
811.	Subdomain Visit Count	76.9%	Med.
812.	Largest Triangle Area	62.4%	Easy
813.	Largest Sum of Averages	54.3%	Med.
814.	Binary Tree Pruning	72.4%	Med.
815.	Bus Routes	47.0%	Hard
816.	Ambiguous Coordinates	56.1%	Med.
817.	Linked List Components	57.4%	Med.
818.	Race Car	44.2%	Hard
819.	Most Common Word	44.7%	Easy
820.	Short Encoding of Words	60.6%	Med.
821.	Shortest Distance to a Character	72.3%	Easy
822.	Card Flipping Game	48.7%	Med.
823.	Binary Trees With Factors	53.0%	Med.
824.	Goat Latin	69.5%	Easy
825.	Friends Of Appropriate Ages	49.2%	Med.
826.	Most Profit Assigning Work	56.0%	Med.
827.	Making A Large Island	55.5%	Hard
828.	Count Unique Characters of All Substrings of a Given String	53.1%	Hard
829.	Consecutive Numbers Sum	42.2%	Hard
830.	Positions of Large Groups	53.3%	Easy
831.	Masking Personal Information	50.8%	Med.
832.	Flipping an Image	83.1%	Easy
833.	Find And Replace in String	51.2%	Med.
834.	Sum of Distances in Tree	65.4%	Hard
835.	Image Overlap	63.8%	Med.
836.	Rectangle Overlap	45.9%	Easy
837.	New 21 Game	52.1%	Med.
838.	Push Dominoes	63.0%	Med.
839.	Similar String Groups	55.6%	Hard
840.	Magic Squares In Grid	51.5%	Med.
841.	Keys and Rooms	75.0%	Med.
842.	Split Array into Fibonacci Sequence	39.8%	Med.
843.	Guess the Word	37.4%	Hard
844.	Backspace String Compare	49.6%	Easy
845.	Longest Mountain in Array	41.3%	Med.
846.	Hand of Straights	57.4%	Med.
847.	Shortest Path Visiting All Nodes	65.5%	Hard
848.	Shifting Letters	45.7%	Med.
849.	Maximize Distance to Closest Person	49.2%	Med.
850.	Rectangle Area II	54.7%	Hard
851.	Loud and Rich	62.2%	Med.
852.	Peak Index in a Mountain Array	67.3%	Med.
853.	Car Fleet	53.8%	Med.
854.	K-Similar Strings	40.2%	Hard
855.	Exam Room	43.0%	Med.
856.	Score of Parentheses	63.6%	Med.
857.	Minimum Cost to Hire K Workers	63.5%	Hard
858.	Mirror Reflection	61.9%	Med.
859.	Buddy Strings	33.7%	Easy
860.	Lemonade Change	58.6%	Easy
861.	Score After Flipping Matrix	80.2%	Med.
862.	Shortest Subarray with Sum at Least K	32.3%	Hard
863.	All Nodes Distance K in Binary Tree	66.8%	Med.
864.	Shortest Path to Get All Keys	54.0%	Hard
865.	Smallest Subtree with all the Deepest Nodes	72.6%	Med.
866.	Prime Palindrome	27.4%	Med.
867.	Transpose Matrix	74.8%	Easy
868.	Binary Gap	64.9%	Easy
869.	Reordered Power of 2	66.2%	Med.
870.	Advantage Shuffle	53.7%	Med.
871.	Minimum Number of Refueling Stops	40.7%	Hard
872.	Leaf-Similar Trees	70.1%	Easy
873.	Length of Longest Fibonacci Subsequence	57.6%	Med.
874.	Walking Robot Simulation	58.3%	Med.
875.	Koko Eating Bananas	49.0%	Med.
876.	Middle of the Linked List	81.0%	Easy
877.	Stone Game	71.8%	Med.
878.	Nth Magical Number	35.9%	Hard
879.	Profitable Schemes	48.0%	Hard
880.	Decoded String at Index	36.7%	Med.
881.	Boats to Save People	60.7%	Med.
882.	Reachable Nodes In Subdivided Graph	51.0%	Hard
883.	Projection Area of 3D Shapes	74.5%	Easy
884.	Uncommon Words from Two Sentences	75.4%	Easy
885.	Spiral Matrix III	84.5%	Med.
886.	Possible Bipartition	51.8%	Med.
887.	Super Egg Drop	29.1%	Hard
888.	Fair Candy Swap	63.7%	Easy
889.	Construct Binary Tree from Preorder and Postorder Traversal	78.0%	Med.
890.	Find and Replace Pattern	76.9%	Med.
891.	Sum of Subsequence Widths	39.3%	Hard
892.	Surface Area of 3D Shapes	68.5%	Easy
893.	Groups of Special-Equivalent Strings	73.0%	Med.
894.	All Possible Full Binary Trees	82.7%	Med.
895.	Maximum Frequency Stack	66.4%	Hard
896.	Monotonic Array	61.8%	Easy
897.	Increasing Order Search Tree	78.7%	Easy
898.	Bitwise ORs of Subarrays	56.5%	Med.
899.	Orderly Queue	66.4%	Hard
900.	RLE Iterator	58.9%	Med.
901.	Online Stock Span	67.9%	Med.
902.	Numbers At Most N Given Digit Set	43.7%	Hard
903.	Valid Permutations for DI Sequence	56.3%	Hard
904.	Fruit Into Baskets	49.4%	Med.
905.	Sort Array By Parity	76.3%	Easy
906.	Super Palindromes	39.5%	Hard
907.	Sum of Subarray Minimums	37.8%	Med.
908.	Smallest Range I	72.2%	Easy
909.	Snakes and Ladders	48.0%	Med.
910.	Smallest Range II	37.3%	Med.
911.	Online Election	52.1%	Med.
912.	Sort an Array	56.3%	Med.
913.	Cat and Mouse	33.9%	Hard
914.	X of a Kind in a Deck of Cards	29.9%	Easy
915.	Partition Array into Disjoint Intervals	49.1%	Med.
916.	Word Subsets	55.8%	Med.
917.	Reverse Only Letters	67.2%	Easy
918.	Maximum Sum Circular Subarray	48.2%	Med.
919.	Complete Binary Tree Inserter	64.7%	Med.
920.	Number of Music Playlists	60.0%	Hard
921.	Minimum Add to Make Parentheses Valid	74.5%	Med.
922.	Sort Array By Parity II	71.1%	Easy
923.	3Sum With Multiplicity	45.9%	Med.
924.	Minimize Malware Spread	42.6%	Hard
925.	Long Pressed Name	32.6%	Easy
926.	Flip String to Monotone Increasing	61.6%	Med.
927.	Three Equal Parts	40.8%	Hard
928.	Minimize Malware Spread II	44.9%	Hard
929.	Unique Email Addresses	67.7%	Easy
930.	Binary Subarrays With Sum	66.9%	Med.
931.	Minimum Falling Path Sum	61.0%	Med.
932.	Beautiful Array	67.2%	Med.
933.	Number of Recent Calls	77.7%	Easy
934.	Shortest Bridge	58.9%	Med.
935.	Knight Dialer	61.4%	Med.
936.	Stamping The Sequence	62.0%	Hard
937.	Reorder Data in Log Files	56.8%	Med.
938.	Range Sum of BST	87.5%	Easy
939.	Minimum Area Rectangle	55.1%	Med.
940.	Distinct Subsequences II	43.7%	Hard
941.	Valid Mountain Array	34.5%	Easy
942.	DI String Match	80.3%	Easy
943.	Find the Shortest Superstring	44.5%	Hard
944.	Delete Columns to Make Sorted	74.8%	Easy
945.	Minimum Increment to Make Array Unique	60.4%	Med.
946.	Validate Stack Sequences	69.8%	Med.
947.	Most Stones Removed with Same Row or Column	62.4%	Med.
948.	Bag of Tokens	59.3%	Med.
949.	Largest Time for Given Digits	35.6%	Med.
950.	Reveal Cards In Increasing Order	83.4%	Med.
951.	Flip Equivalent Binary Trees	69.6%	Med.
952.	Largest Component Size by Common Factor	41.4%	Hard
953.	Verifying an Alien Dictionary	55.7%	Easy
954.	Array of Doubled Pairs	39.5%	Med.
955.	Delete Columns to Make Sorted II	35.8%	Med.
956.	Tallest Billboard	51.9%	Hard
957.	Prison Cells After N Days	39.0%	Med.
958.	Check Completeness of a Binary Tree	58.6%	Med.
959.	Regions Cut By Slashes	77.6%	Med.
960.	Delete Columns to Make Sorted III	59.1%	Hard
961.	N-Repeated Element in Size 2N Array	77.6%	Easy
962.	Maximum Width Ramp	55.8%	Med.
963.	Minimum Area Rectangle II	55.7%	Med.
964.	Least Operators to Express Number	48.4%	Hard
965.	Univalued Binary Tree	72.4%	Easy
966.	Vowel Spellchecker	51.6%	Med.
967.	Numbers With Same Consecutive Differences	58.9%	Med.
968.	Binary Tree Cameras	47.4%	Hard
969.	Pancake Sorting	71.4%	Med.
970.	Powerful Integers	44.2%	Med.
971.	Flip Binary Tree To Match Preorder Traversal	51.3%	Med.
972.	Equal Rational Numbers	45.0%	Hard
973.	K Closest Points to Origin	68.2%	Med.
974.	Subarray Sums Divisible by K	55.7%	Med.
975.	Odd Even Jump	40.8%	Hard
976.	Largest Perimeter Triangle	57.6%	Easy
977.	Squares of a Sorted Array	73.3%	Easy
978.	Longest Turbulent Subarray	48.3%	Med.
979.	Distribute Coins in Binary Tree	77.2%	Med.
980.	Unique Paths III	82.5%	Hard
981.	Time Based Key-Value Store	49.5%	Med.
982.	Triples with Bitwise AND Equal To Zero	59.6%	Hard
983.	Minimum Cost For Tickets	67.4%	Med.
984.	String Without AAA or BBB	44.6%	Med.
985.	Sum of Even Numbers After Queries	68.6%	Med.
986.	Interval List Intersections	72.8%	Med.
987.	Vertical Order Traversal of a Binary Tree	52.1%	Hard
988.	Smallest String Starting From Leaf	60.9%	Med.
989.	Add to Array-Form of Integer	45.1%	Easy
990.	Satisfiability of Equality Equations	51.2%	Med.
991.	Broken Calculator	55.3%	Med.
992.	Subarrays with K Different Integers	66.6%	Hard
993.	Cousins in Binary Tree	58.5%	Easy
994.	Rotting Oranges	57.2%	Med.
995.	Minimum Number of K Consecutive Bit Flips	62.2%	Hard
996.	Number of Squareful Arrays	50.6%	Hard
997.	Find the Town Judge	50.2%	Easy
998.	Maximum Binary Tree II	69.5%	Med.
999.	Available Captures for Rook	70.6%	Easy
1000.	Minimum Cost to Merge Stones	44.7%	Hard
1001.	Grid Illumination	38.4%	Hard
1002.	Find Common Characters	74.6%	Easy
1003.	Check If Word Is Valid After Substitutions	60.5%	Med.
1004.	Max Consecutive Ones III	66.5%	Med.
1005.	Maximize Sum Of Array After K Negations	52.8%	Easy
1006.	Clumsy Factorial	59.7%	Med.
1007.	Minimum Domino Rotations For Equal Row	56.5%	Med.
1008.	Construct Binary Search Tree from Preorder Traversal	83.6%	Med.
1009.	Complement of Base 10 Integer	60.6%	Easy
1010.	Pairs of Songs With Total Durations Divisible by 60	53.3%	Med.
1011.	Capacity To Ship Packages Within D Days	72.7%	Med.
1012.	Numbers With Repeated Digits	44.1%	Hard
1013.	Partition Array Into Three Parts With Equal Sum	42.2%	Easy
1014.	Best Sightseeing Pair	62.6%	Med.
1015.	Smallest Integer Divisible by K	46.6%	Med.
1016.	Binary String With Substrings Representing 1 To N	58.1%	Med.
1017.	Convert to Base -2	61.4%	Med.
1018.	Binary Prefix Divisible By 5	47.1%	Easy
1019.	Next Greater Node In Linked List	62.6%	Med.
1020.	Number of Enclaves	71.0%	Med.
1021.	Remove Outermost Parentheses	86.1%	Easy
1022.	Sum of Root To Leaf Binary Numbers	73.5%	Easy
1023.	Camelcase Matching	64.2%	Med.
1024.	Video Stitching	52.1%	Med.
1025.	Divisor Game	70.7%	Easy
1026.	Maximum Difference Between Node and Ancestor	78.1%	Med.
1027.	Longest Arithmetic Subsequence	49.6%	Med.
1028.	Recover a Tree From Preorder Traversal	83.3%	Hard
1029.	Two City Scheduling	67.8%	Med.
1030.	Matrix Cells in Distance Order	73.1%	Easy
1031.	Maximum Sum of Two Non-Overlapping Subarrays	60.4%	Med.
1032.	Stream of Characters	51.4%	Hard
1033.	Moving Stones Until Consecutive	50.0%	Med.
1034.	Coloring A Border	50.2%	Med.
1035.	Uncrossed Lines	64.6%	Med.
1036.	Escape a Large Maze	35.6%	Hard
1037.	Valid Boomerang	38.3%	Easy
1038.	Binary Search Tree to Greater Sum Tree	88.3%	Med.
1039.	Minimum Score Triangulation of Polygon	60.5%	Med.
1040.	Moving Stones Until Consecutive II	57.8%	Med.
1041.	Robot Bounded In Circle	56.3%	Med.
1042.	Flower Planting With No Adjacent	52.7%	Med.
1043.	Partition Array for Maximum Sum	77.2%	Med.
1044.	Longest Duplicate Substring	30.9%	Hard
1045.	Customers Who Bought All Products	63.2%	Med.
1046.	Last Stone Weight	66.1%	Easy
1047.	Remove All Adjacent Duplicates In String	72.0%	Easy
1048.	Longest String Chain	62.3%	Med.
1049.	Last Stone Weight II	58.2%	Med.
1050.	Actors and Directors Who Cooperated At Least Three Times	70.7%	Easy
1051.	Height Checker	81.2%	Easy
1052.	Grumpy Bookstore Owner	64.0%	Med.
1053.	Previous Permutation With One Swap	49.4%	Med.
1054.	Distant Barcodes	47.9%	Med.
1055.	Shortest Way to Form String	61.4%	Med.
1056.	Confusing Number	49.3%	Easy
1057.	Campus Bikes	59.0%	Med.
1058.	Minimize Rounding Error to Meet Target	45.6%	Med.
1059.	All Paths from Source Lead to Destination	37.1%	Med.
1060.	Missing Element in Sorted Array	59.1%	Med.
1061.	Lexicographically Smallest Equivalent String	81.1%	Med.
1062.	Longest Repeating Substring	63.2%	Med.
1063.	Number of Valid Subarrays	79.4%	Hard
1064.	Fixed Point	63.8%	Easy
1065.	Index Pairs of a String	68.3%	Easy
1066.	Campus Bikes II	55.3%	Med.
1067.	Digit Count in Range	46.1%	Hard
1068.	Product Sales Analysis I	85.0%	Easy
1069.	Product Sales Analysis II	82.4%	Easy
1070.	Product Sales Analysis III	44.9%	Med.
1071.	Greatest Common Divisor of Strings	52.9%	Easy
1072.	Flip Columns For Maximum Number of Equal Rows	78.6%	Med.
1073.	Adding Two Negabinary Numbers	37.0%	Med.
1074.	Number of Submatrices That Sum to Target	74.5%	Hard
1075.	Project Employees I	65.9%	Easy
1076.	Project Employees II	50.3%	Easy
1077.	Project Employees III	77.1%	Med.
1078.	Occurrences After Bigram	63.7%	Easy
1079.	Letter Tile Possibilities	83.6%	Med.
1080.	Insufficient Nodes in Root to Leaf Paths	54.1%	Med.
1081.	Smallest Subsequence of Distinct Characters	62.3%	Med.
1082.	Sales Analysis I	74.8%	Easy
1083.	Sales Analysis II	50.0%	Easy
1084.	Sales Analysis III	46.8%	Easy
1085.	Sum of Digits in the Minimum Number	76.6%	Easy
1086.	High Five	74.3%	Easy
1087.	Brace Expansion	66.8%	Med.
1088.	Confusing Number II	47.1%	Hard
1089.	Duplicate Zeros	52.9%	Easy
1090.	Largest Values From Labels	63.5%	Med.
1091.	Shortest Path in Binary Matrix	50.3%	Med.
1092.	Shortest Common Supersequence	61.5%	Hard
1093.	Statistics from a Large Sample	42.4%	Med.
1094.	Car Pooling	56.1%	Med.
1095.	Find in Mountain Array	40.6%	Hard
1096.	Brace Expansion II	63.3%	Hard
1097.	Game Play Analysis V	50.6%	Hard
1098.	Unpopular Books	43.4%	Med.
1099.	Two Sum Less Than K	62.0%	Easy
1100.	Find K-Length Substrings With No Repeated Characters	76.3%	Med.
1101.	The Earliest Moment When Everyone Become Friends	65.7%	Med.
1102.	Path With Maximum Minimum Value	54.2%	Med.
1103.	Distribute Candies to People	66.8%	Easy
1104.	Path In Zigzag Labelled Binary Tree	75.6%	Med.
1105.	Filling Bookcase Shelves	68.6%	Med.
1106.	Parsing A Boolean Expression	69.8%	Hard
1107.	New Users Daily Count	45.1%	Med.
1108.	Defanging an IP Address	89.8%	Easy
1109.	Corporate Flight Bookings	65.1%	Med.
1110.	Delete Nodes And Return Forest	72.4%	Med.
1111.	Maximum Nesting Depth of Two Valid Parentheses Strings	71.5%	Med.
1112.	Highest Grade For Each Student	71.2%	Med.
1113.	Reported Posts	65.1%	Easy
1114.	Print in Order	71.9%	Easy
1115.	Print FooBar Alternately	70.5%	Med.
1116.	Print Zero Even Odd	64.1%	Med.
1117.	Building H2O	57.9%	Med.
1118.	Number of Days in a Month	59.2%	Easy
1119.	Remove Vowels from a String	91.2%	Easy
1120.	Maximum Average Subtree	66.9%	Med.
1121.	Divide Array Into Increasing Sequences	60.6%	Hard
1122.	Relative Sort Array	75.0%	Easy
1123.	Lowest Common Ancestor of Deepest Leaves	79.0%	Med.
1124.	Longest Well-Performing Interval	36.2%	Med.
1125.	Smallest Sufficient Team	55.3%	Hard
1126.	Active Businesses	66.0%	Med.
1127.	User Purchase Platform	47.1%	Hard
1128.	Number of Equivalent Domino Pairs	60.6%	Easy
1129.	Shortest Path with Alternating Colors	47.4%	Med.
1130.	Minimum Cost Tree From Leaf Values	67.7%	Med.
1131.	Maximum of Absolute Value Expression	48.3%	Med.
1132.	Reported Posts II	32.1%	Med.
1133.	Largest Unique Number	70.9%	Easy
1134.	Armstrong Number	77.9%	Easy
1135.	Connecting Cities With Minimum Cost	62.7%	Med.
1136.	Parallel Courses	61.9%	Med.
1137.	N-th Tribonacci Number	63.5%	Easy
1138.	Alphabet Board Path	51.6%	Med.
1139.	Largest 1-Bordered Square	51.4%	Med.
1140.	Stone Game II	72.9%	Med.
1141.	User Activity for the Past 30 Days I	49.7%	Easy
1142.	User Activity for the Past 30 Days II	35.7%	Easy
1143.	Longest Common Subsequence	58.4%	Med.
1144.	Decrease Elements To Make Array Zigzag	48.6%	Med.
1145.	Binary Tree Coloring Game	52.6%	Med.
1146.	Snapshot Array	36.7%	Med.
1147.	Longest Chunked Palindrome Decomposition	58.9%	Hard
1148.	Article Views I	77.0%	Easy
1149.	Article Views II	47.2%	Med.
1150.	Check If a Number Is Majority Element in a Sorted Array	59.1%	Easy
1151.	Minimum Swaps to Group All 1’s Together	61.1%	Med.
1152.	Analyze User Website Visit Pattern	43.9%	Med.
1153.	String Transforms Into Another String	34.7%	Hard
1154.	Day of the Year	48.5%	Easy
1155.	Number of Dice Rolls With Target Sum	61.8%	Med.
1156.	Swap For Longest Repeated Character Substring	43.9%	Med.
1157.	Online Majority Element In Subarray	39.5%	Hard
1158.	Market Analysis I	57.1%	Med.
1159.	Market Analysis II	57.7%	Hard
1160.	Find Words That Can Be Formed by Characters	71.2%	Easy
1161.	Maximum Level Sum of a Binary Tree	67.4%	Med.
1162.	As Far from Land as Possible	51.9%	Med.
1163.	Last Substring in Lexicographical Order	34.6%	Hard
1164.	Product Price at a Given Date	57.5%	Med.
1165.	Single-Row Keyboard	87.7%	Easy
1166.	Design File System	64.8%	Med.
1167.	Minimum Cost to Connect Sticks	71.4%	Med.
1168.	Optimize Water Distribution in a Village	65.2%	Hard
1169.	Invalid Transactions	31.3%	Med.
1170.	Compare Strings by Frequency of the Smallest Character	62.8%	Med.
1171.	Remove Zero Sum Consecutive Nodes from Linked List	53.0%	Med.
1172.	Dinner Plate Stacks	33.1%	Hard
1173.	Immediate Food Delivery I	80.9%	Easy
1174.	Immediate Food Delivery II	54.8%	Med.
1175.	Prime Arrangements	60.0%	Easy
1176.	Diet Plan Performance	54.3%	Easy
1177.	Can Make Palindrome from Substring	40.5%	Med.
1178.	Number of Valid Words for Each Puzzle	47.3%	Hard
1179.	Reformat Department Table	76.6%	Easy
1180.	Count Substrings with Only One Distinct Letter	80.7%	Easy
1181.	Before and After Puzzle	50.0%	Med.
1182.	Shortest Distance to Target Color	55.5%	Med.
1183.	Maximum Number of Ones	68.9%	Hard
1184.	Distance Between Bus Stops	54.8%	Easy
1185.	Day of the Week	58.7%	Easy
1186.	Maximum Subarray Sum with One Deletion	45.5%	Med.
1187.	Make Array Strictly Increasing	57.8%	Hard
1188.	Design Bounded Blocking Queue	73.1%	Med.
1189.	Maximum Number of Balloons	59.8%	Easy
1190.	Reverse Substrings Between Each Pair of Parentheses	71.8%	Med.
1191.	K-Concatenation Maximum Sum	24.4%	Med.
1192.	Critical Connections in a Network	58.4%	Hard
1193.	Monthly Transactions I	58.4%	Med.
1194.	Tournament Winners	49.9%	Hard
1195.	Fizz Buzz Multithreaded	74.3%	Med.
1196.	How Many Apples Can You Put into the Basket	67.0%	Easy
1197.	Minimum Knight Moves	41.4%	Med.
1198.	Find Smallest Common Element in All Rows	76.8%	Med.
1199.	Minimum Time to Build Blocks	46.2%	Hard
1200.	Minimum Absolute Difference	70.8%	Easy
1201.	Ugly Number III	30.7%	Med.
1202.	Smallest String With Swaps	59.7%	Med.
1203.	Sort Items by Groups Respecting Dependencies	65.6%	Hard
1204.	Last Person to Fit in the Bus	68.6%	Med.
1205.	Monthly Transactions II	42.0%	Med.
1206.	Design Skiplist	58.6%	Hard
1207.	Unique Number of Occurrences	78.4%	Easy
1208.	Get Equal Substrings Within Budget	59.1%	Med.
1209.	Remove All Adjacent Duplicates in String II	59.9%	Med.
1210.	Minimum Moves to Reach Target with Rotations	51.0%	Hard
1211.	Queries Quality and Percentage	49.6%	Easy
1212.	Team Scores in Football Tournament	55.8%	Med.
1213.	Intersection of Three Sorted Arrays	80.1%	Easy
1214.	Two Sum BSTs	67.4%	Med.
1215.	Stepping Numbers	47.8%	Med.
1216.	Valid Palindrome III	49.1%	Hard
1217.	Minimum Cost to Move Chips to The Same Position	72.5%	Easy
1218.	Longest Arithmetic Subsequence of Given Difference	54.4%	Med.
1219.	Path with Maximum Gold	68.2%	Med.
1220.	Count Vowels Permutation	61.4%	Hard
1221.	Split a String in Balanced Strings	86.9%	Easy
1222.	Queens That Can Attack the King	72.3%	Med.
1223.	Dice Roll Simulation	50.2%	Hard
1224.	Maximum Equal Frequency	37.7%	Hard
1225.	Report Contiguous Dates	57.2%	Hard
1226.	The Dining Philosophers	54.7%	Med.
1227.	Airplane Seat Assignment Probability	66.8%	Med.
1228.	Missing Number In Arithmetic Progression	52.1%	Easy
1229.	Meeting Scheduler	55.2%	Med.
1230.	Toss Strange Coins	58.1%	Med.
1231.	Divide Chocolate	60.1%	Hard
1232.	Check If It Is a Straight Line	39.8%	Easy
1233.	Remove Sub-Folders from the Filesystem	78.6%	Med.
1234.	Replace the Substring for Balanced String	39.8%	Med.
1235.	Maximum Profit in Job Scheduling	54.5%	Hard
1236.	Web Crawler	68.7%	Med.
1237.	Find Positive Integer Solution for a Given Equation	69.6%	Med.
1238.	Circular Permutation in Binary Representation	71.9%	Med.
1239.	Maximum Length of a Concatenated String with Unique Characters	54.3%	Med.
1240.	Tiling a Rectangle with the Fewest Squares	54.5%	Hard
1241.	Number of Comments per Post	66.0%	Easy
1242.	Web Crawler Multithreaded	50.3%	Med.
1243.	Array Transformation	53.2%	Easy
1244.	Design A Leaderboard	67.9%	Med.
1245.	Tree Diameter	61.1%	Med.
1246.	Palindrome Removal	46.3%	Hard
1247.	Minimum Swaps to Make Strings Equal	64.9%	Med.
1248.	Count Number of Nice Subarrays	73.9%	Med.
1249.	Minimum Remove to Make Valid Parentheses	70.9%	Med.
1250.	Check If It Is a Good Array	61.7%	Hard
1251.	Average Selling Price	36.8%	Easy
1252.	Cells with Odd Values in a Matrix	79.3%	Easy
1253.	Reconstruct a 2-Row Binary Matrix	48.0%	Med.
1254.	Number of Closed Islands	66.8%	Med.
1255.	Maximum Score Words Formed by Letters	81.6%	Hard
1256.	Encode Number	70.1%	Med.
1257.	Smallest Common Region	68.1%	Med.
1258.	Synonymous Sentences	56.7%	Med.
1259.	Handshakes That Don’t Cross	60.0%	Hard
1260.	Shift 2D Grid	67.8%	Easy
1261.	Find Elements in a Contaminated Binary Tree	84.0%	Med.
1262.	Greatest Sum Divisible by Three	51.0%	Med.
1263.	Minimum Moves to Move a Box to Their Target Location	49.0%	Hard
1264.	Page Recommendations	65.3%	Med.
1265.	Print Immutable Linked List in Reverse	94.1%	Med.
1266.	Minimum Time Visiting All Points	82.6%	Easy
1267.	Count Servers that Communicate	73.5%	Med.
1268.	Search Suggestions System	65.1%	Med.
1269.	Number of Ways to Stay in the Same Place After Some Steps	50.0%	Hard
1270.	All People Report to the Given Manager	84.2%	Med.
1271.	Hexspeak	58.4%	Easy
1272.	Remove Interval	66.9%	Med.
1273.	Delete Tree Nodes	61.3%	Med.
1274.	Number of Ships in a Rectangle	68.8%	Hard
1275.	Find Winner on a Tic Tac Toe Game	54.2%	Easy
1276.	Number of Burgers with No Waste of Ingredients	50.5%	Med.
1277.	Count Square Submatrices with All Ones	80.6%	Med.
1278.	Palindrome Partitioning III	61.8%	Hard
1279.	Traffic Light Controlled Intersection	72.7%	Easy
1280.	Students and Examinations	60.7%	Easy
1281.	Subtract the Product and Sum of Digits of an Integer	86.6%	Easy
1282.	Group the People Given the Group Size They Belong To	87.5%	Med.
1283.	Find the Smallest Divisor Given a Threshold	64.4%	Med.
1284.	Minimum Number of Flips to Convert Binary Matrix to Zero Matrix	72.2%	Hard
1285.	Find the Start and End Number of Continuous Ranges	81.9%	Med.
1286.	Iterator for Combination	72.6%	Med.
1287.	Element Appearing More Than 25% In Sorted Array	61.1%	Easy
1288.	Remove Covered Intervals	56.2%	Med.
1289.	Minimum Falling Path Sum II	63.6%	Hard
1290.	Convert Binary Number in a Linked List to Integer	82.3%	Easy
1291.	Sequential Digits	65.3%	Med.
1292.	Maximum Side Length of a Square with Sum Less than or Equal to Threshold	53.6%	Med.
1293.	Shortest Path in a Grid with Obstacles Elimination	45.7%	Hard
1294.	Weather Type in Each Country	67.0%	Easy
1295.	Find Numbers with Even Number of Digits	79.5%	Easy
1296.	Divide Array in Sets of K Consecutive Numbers	58.9%	Med.
1297.	Maximum Number of Occurrences of a Substring	53.7%	Med.
1298.	Maximum Candies You Can Get from Boxes	68.4%	Hard
1299.	Replace Elements with Greatest Element on Right Side	71.6%	Easy
1300.	Sum of Mutated Array Closest to Target	45.6%	Med.
1301.	Number of Paths with Max Score	41.3%	Hard
1302.	Deepest Leaves Sum	86.4%	Med.
1303.	Find the Team Size	89.7%	Easy
1304.	Find N Unique Integers Sum up to Zero	76.2%	Easy
1305.	All Elements in Two Binary Search Trees	80.1%	Med.
1306.	Jump Game III	66.3%	Med.
1307.	Verbal Arithmetic Puzzle	34.8%	Hard
1308.	Running Total for Different Genders	86.2%	Med.
1309.	Decrypt String from Alphabet to Integer Mapping	80.3%	Easy
1310.	XOR Queries of a Subarray	78.3%	Med.
1311.	Get Watched Videos by Your Friends	50.3%	Med.
1312.	Minimum Insertion Steps to Make a String Palindrome	73.0%	Hard
1313.	Decompress Run-Length Encoded List	86.1%	Easy
1314.	Matrix Block Sum	76.0%	Med.
1315.	Sum of Nodes with Even-Valued Grandparent	85.8%	Med.
1316.	Distinct Echo Substrings	52.3%	Hard
1317.	Convert Integer to the Sum of Two No-Zero Integers	54.3%	Easy
1318.	Minimum Flips to Make a OR b Equal to c	71.8%	Med.
1319.	Number of Operations to Make Network Connected	65.3%	Med.
1320.	Minimum Distance to Type a Word Using Two Fingers	59.1%	Hard
1321.	Restaurant Growth	57.1%	Med.
1322.	Ads Performance	59.0%	Easy
1323.	Maximum 69 Number	84.4%	Easy
1324.	Print Words Vertically	66.7%	Med.
1325.	Delete Leaves With a Given Value	77.3%	Med.
1326.	Minimum Number of Taps to Open to Water a Garden	50.7%	Hard
1327.	List the Products Ordered in a Period	71.8%	Easy
1328.	Break a Palindrome	51.5%	Med.
1329.	Sort the Matrix Diagonally	83.1%	Med.
1330.	Reverse Subarray To Maximize Array Value	42.8%	Hard
1331.	Rank Transform of an Array	70.7%	Easy
1332.	Remove Palindromic Subsequences	76.7%	Easy
1333.	Filter Restaurants by Vegan-Friendly, Price and Distance	63.5%	Med.
1334.	Find the City With the Smallest Number of Neighbors at a Threshold Distance	71.0%	Med.
1335.	Minimum Difficulty of a Job Schedule	59.7%	Hard
1336.	Number of Transactions per Visit	48.2%	Hard
1337.	The K Weakest Rows in a Matrix	74.1%	Easy
1338.	Reduce Array Size to The Half	69.2%	Med.
1339.	Maximum Product of Splitted Binary Tree	48.0%	Med.
1340.	Jump Game V	64.2%	Hard
1341.	Movie Rating	41.7%	Med.
1342.	Number of Steps to Reduce a Number to Zero	85.7%	Easy
1343.	Number of Sub-arrays of Size K and Average Greater than or Equal to Threshold	70.7%	Med.
1344.	Angle Between Hands of a Clock	64.3%	Med.
1345.	Jump Game IV	46.1%	Hard
1346.	Check If N and Its Double Exist	41.4%	Easy
1347.	Minimum Number of Steps to Make Two Strings Anagram	82.2%	Med.
1348.	Tweet Counts Per Frequency	45.5%	Med.
1349.	Maximum Students Taking Exam	52.5%	Hard
1350.	Students With Invalid Departments	89.9%	Easy
1351.	Count Negative Numbers in a Sorted Matrix	77.8%	Easy
1352.	Product of the Last K Numbers	62.8%	Med.
1353.	Maximum Number of Events That Can Be Attended	38.7%	Med.
1354.	Construct Target Array With Multiple Sums	36.3%	Hard
1355.	Activity Participants	72.1%	Med.
1356.	Sort Integers by The Number of 1 Bits	78.8%	Easy
1357.	Apply Discount Every n Orders	64.6%	Med.
1358.	Number of Substrings Containing All Three Characters	73.3%	Med.
1359.	Count All Valid Pickup and Delivery Options	64.9%	Hard
1360.	Number of Days Between Two Dates	51.7%	Easy
1361.	Validate Binary Tree Nodes	43.9%	Med.
1362.	Closest Divisors	61.5%	Med.
1363.	Largest Multiple of Three	32.9%	Hard
1364.	Number of Trusted Contacts of a Customer	75.1%	Med.
1365.	How Many Numbers Are Smaller Than the Current Number	87.2%	Easy
1366.	Rank Teams by Votes	59.6%	Med.
1367.	Linked List in Binary Tree	51.9%	Med.
1368.	Minimum Cost to Make at Least One Valid Path in a Grid	70.7%	Hard
1369.	Get the Second Most Recent Activity	67.5%	Hard
1370.	Increasing Decreasing String	76.9%	Easy
1371.	Find the Longest Substring Containing Vowels in Even Counts	75.7%	Med.
1372.	Longest ZigZag Path in a Binary Tree	66.8%	Med.
1373.	Maximum Sum BST in Binary Tree	45.0%	Hard
1374.	Generate a String With Characters That Have Odd Counts	78.2%	Easy
1375.	Number of Times Binary String Is Prefix-Aligned	65.8%	Med.
1376.	Time Needed to Inform All Employees	60.3%	Med.
1377.	Frog Position After T Seconds	36.1%	Hard
1378.	Replace Employee ID With The Unique Identifier	83.6%	Easy
1379.	Find a Corresponding Node of a Binary Tree in a Clone of That Tree	85.8%	Easy
1380.	Lucky Numbers in a Matrix	79.9%	Easy
1381.	Design a Stack With Increment Operation	80.1%	Med.
1382.	Balance a Binary Search Tree	84.7%	Med.
1383.	Maximum Performance of a Team	47.6%	Hard
1384.	Total Sales Amount by Year	61.4%	Hard
1385.	Find the Distance Value Between Two Arrays	70.6%	Easy
1386.	Cinema Seat Allocation	43.0%	Med.
1387.	Sort Integers by The Power Value	70.9%	Med.
1388.	Pizza With 3n Slices	53.3%	Hard
1389.	Create Target Array in the Given Order	86.3%	Easy
1390.	Four Divisors	45.2%	Med.
1391.	Check if There is a Valid Path in a Grid	49.3%	Med.
1392.	Longest Happy Prefix	49.7%	Hard
1393.	Capital Gain/Loss	84.8%	Med.
1394.	Find Lucky Integer in an Array	75.4%	Easy
1395.	Count Number of Teams	70.1%	Med.
1396.	Design Underground System	74.1%	Med.
1397.	Find All Good Strings	44.1%	Hard
1398.	Customers Who Bought Products A and B but Not C	71.8%	Med.
1399.	Count Largest Group	74.9%	Easy
1400.	Construct K Palindrome Strings	68.7%	Med.
1401.	Circle and Rectangle Overlapping	49.0%	Med.
1402.	Reducing Dishes	76.4%	Hard
1403.	Minimum Subsequence in Non-Increasing Order	73.2%	Easy
1404.	Number of Steps to Reduce a Number in Binary Representation to One	61.4%	Med.
1405.	Longest Happy String	65.5%	Med.
1406.	Stone Game III	63.2%	Hard
1407.	Top Travellers	57.1%	Easy
1408.	String Matching in an Array	69.8%	Easy
1409.	Queries on a Permutation With Key	84.6%	Med.
1410.	HTML Entity Parser	50.2%	Med.
1411.	Number of Ways to Paint N × 3 Grid	65.2%	Hard
1412.	Find the Quiet Students in All Exams	58.3%	Hard
1413.	Minimum Value to Get Positive Step by Step Sum	64.6%	Easy
1414.	Find the Minimum Number of Fibonacci Numbers Whose Sum Is K	64.6%	Med.
1415.	The k-th Lexicographical String of All Happy Strings of Length n	85.2%	Med.
1416.	Restore The Array	46.8%	Hard
1417.	Reformat The String	52.1%	Easy
1418.	Display Table of Food Orders in a Restaurant	75.8%	Med.
1419.	Minimum Number of Frogs Croaking	50.9%	Med.
1420.	Build Array Where You Can Find The Maximum Exactly K Comparisons	66.4%	Hard
1421.	NPV Queries	83.0%	Easy
1422.	Maximum Score After Splitting a String	65.1%	Easy
1423.	Maximum Points You Can Obtain from Cards	56.3%	Med.
1424.	Diagonal Traverse II	58.2%	Med.
1425.	Constrained Subsequence Sum	56.4%	Hard
1426.	Counting Elements	60.5%	Easy
1427.	Perform String Shifts	55.9%	Easy
1428.	Leftmost Column with at Least a One	55.0%	Med.
1429.	First Unique Number	56.2%	Med.
1430.	Check If a String Is a Valid Sequence from Root to Leaves Path in a Binary Tree	47.3%	Med.
1431.	Kids With the Greatest Number of Candies	88.1%	Easy
1432.	Max Difference You Can Get From Changing an Integer	48.9%	Med.
1433.	Check If a String Can Break Another String	70.5%	Med.
1434.	Number of Ways to Wear Different Hats to Each Other	44.7%	Hard
1435.	Create a Session Bar Chart	75.0%	Easy
1436.	Destination City	79.4%	Easy
1437.	Check If All 1’s Are at Least Length K Places Away	58.1%	Easy
1438.	Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit	56.9%	Med.
1439.	Find the Kth Smallest Sum of a Matrix With Sorted Rows	62.0%	Hard
1440.	Evaluate Boolean Expression	72.1%	Med.
1441.	Build an Array With Stack Operations	80.3%	Med.
1442.	Count Triplets That Can Form Two Arrays of Equal XOR	84.8%	Med.
1443.	Minimum Time to Collect All Apples in a Tree	63.2%	Med.
1444.	Number of Ways of Cutting a Pizza	61.6%	Hard
1445.	Apples & Oranges	86.1%	Med.
1446.	Consecutive Characters	60.3%	Easy
1447.	Simplified Fractions	68.7%	Med.
1448.	Count Good Nodes in Binary Tree	73.6%	Med.
1449.	Form Largest Integer With Digits That Add up to Target	48.9%	Hard
1450.	Number of Students Doing Homework at a Given Time	75.7%	Easy
1451.	Rearrange Words in a Sentence	66.1%	Med.
1452.	People Whose List of Favorite Companies Is Not a Subset of Another List	59.7%	Med.
1453.	Maximum Number of Darts Inside of a Circular Dartboard	38.9%	Hard
1454.	Active Users	36.6%	Med.
1455.	Check If a Word Occurs As a Prefix of Any Word in a Sentence	68.7%	Easy
1456.	Maximum Number of Vowels in a Substring of Given Length	60.8%	Med.
1457.	Pseudo-Palindromic Paths in a Binary Tree	68.3%	Med.
1458.	Max Dot Product of Two Subsequences	62.4%	Hard
1459.	Rectangles Area	68.6%	Med.
1460.	Make Two Arrays Equal by Reversing Subarrays	75.8%	Easy
1461.	Check If a String Contains All Binary Codes of Size K	56.7%	Med.
1462.	Course Schedule IV	59.6%	Med.
1463.	Cherry Pickup II	72.1%	Hard
1464.	Maximum Product of Two Elements in an Array	83.4%	Easy
1465.	Maximum Area of a Piece of Cake After Horizontal and Vertical Cuts	41.3%	Med.
1466.	Reorder Routes to Make All Paths Lead to the City Zero	65.3%	Med.
1467.	Probability of a Two Boxes Having The Same Number of Distinct Balls	60.4%	Hard
1468.	Calculate Salaries	77.8%	Med.
1469.	Find All The Lonely Nodes	84.0%	Easy
1470.	Shuffle the Array	88.9%	Easy
1471.	The k Strongest Values in an Array	62.1%	Med.
1472.	Design Browser History	77.9%	Med.
1473.	Paint House III	61.1%	Hard
1474.	Delete N Nodes After M Nodes of a Linked List	74.4%	Easy
1475.	Final Prices With a Special Discount in a Shop	83.4%	Easy
1476.	Subrectangle Queries	86.0%	Med.
1477.	Find Two Non-overlapping Sub-arrays Each With Target Sum	36.6%	Med.
1478.	Allocate Mailboxes	55.9%	Hard
1479.	Sales by Day of the Week	77.3%	Hard
1480.	Running Sum of 1d Array	86.9%	Easy
1481.	Least Number of Unique Integers after K Removals	63.5%	Med.
1482.	Minimum Number of Days to Make m Bouquets	55.7%	Med.
1483.	Kth Ancestor of a Tree Node	36.3%	Hard
1484.	Group Sold Products By The Date	77.8%	Easy
1485.	Clone Binary Tree With Random Pointer	81.0%	Med.
1486.	XOR Operation in an Array	87.0%	Easy
1487.	Making File Names Unique	38.0%	Med.
1488.	Avoid Flood in The City	27.5%	Med.
1489.	Find Critical and Pseudo-Critical Edges in Minimum Spanning Tree	66.2%	Hard
1490.	Clone N-ary Tree	83.1%	Med.
1491.	Average Salary Excluding the Minimum and Maximum Salary	63.4%	Easy
1492.	The kth Factor of n	69.7%	Med.
1493.	Longest Subarray of 1’s After Deleting One Element	70.8%	Med.
1494.	Parallel Courses II	29.6%	Hard
1495.	Friendly Movies Streamed Last Month	49.0%	Easy
1496.	Path Crossing	62.5%	Easy
1497.	Check If Array Pairs Are Divisible by k	46.2%	Med.
1498.	Number of Subsequences That Satisfy the Given Sum Condition	49.5%	Med.
1499.	Max Value of Equation	44.7%	Hard
1500.	Design a File Sharing System	41.9%	Med.
1501.	Countries You Can Safely Invest In	50.5%	Med.
1502.	Can Make Arithmetic Progression From Sequence	69.4%	Easy
1503.	Last Moment Before All Ants Fall Out of a Plank	68.2%	Med.
1504.	Count Submatrices With All Ones	70.9%	Med.
1505.	Minimum Possible Integer After at Most K Adjacent Swaps On Digits	40.3%	Hard
1506.	Find Root of N-Ary Tree	78.4%	Med.
1507.	Reformat Date	67.5%	Easy
1508.	Range Sum of Sorted Subarray Sums	63.1%	Med.
1509.	Minimum Difference Between Largest and Smallest Value in Three Moves	59.2%	Med.
1510.	Stone Game IV	59.5%	Hard
1511.	Customer Order Frequency	66.7%	Easy
1512.	Number of Good Pairs	89.7%	Easy
1513.	Number of Substrings With Only 1s	48.1%	Med.
1514.	Path with Maximum Probability	65.3%	Med.
1515.	Best Position for a Service Centre	34.8%	Hard
1516.	Move Sub-Tree of N-Ary Tree	60.0%	Hard
1517.	Find Users With Valid E-Mails	40.6%	Easy
1518.	Water Bottles	70.7%	Easy
1519.	Number of Nodes in the Sub-Tree With the Same Label	55.1%	Med.
1520.	Maximum Number of Non-Overlapping Substrings	40.5%	Hard
1521.	Find a Value of a Mysterious Function Closest to Target	46.1%	Hard
1522.	Diameter of N-Ary Tree	75.3%	Med.
1523.	Count Odd Numbers in an Interval Range	50.7%	Easy
1524.	Number of Sub-arrays With Odd Sum	55.9%	Med.
1525.	Number of Good Ways to Split a String	68.4%	Med.
1526.	Minimum Number of Increments on Subarrays to Form a Target Array	72.7%	Hard
1527.	Patients With a Condition	38.9%	Easy
1528.	Shuffle String	85.2%	Easy
1529.	Minimum Suffix Flips	73.6%	Med.
1530.	Number of Good Leaf Nodes Pairs	71.8%	Med.
1531.	String Compression II	52.0%	Hard
1532.	The Most Recent Three Orders	69.0%	Med.
1533.	Find the Index of the Large Integer	56.6%	Med.
1534.	Count Good Triplets	85.5%	Easy
1535.	Find the Winner of an Array Game	56.8%	Med.
1536.	Minimum Swaps to Arrange a Binary Grid	48.3%	Med.
1537.	Get the Maximum Score	40.2%	Hard
1538.	Guess the Majority in a Hidden Array	69.6%	Med.
1539.	Kth Missing Positive Number	62.6%	Easy
1540.	Can Convert String in K Moves	36.3%	Med.
1541.	Minimum Insertions to Balance a Parentheses String	53.3%	Med.
1542.	Find Longest Awesome Substring	45.6%	Hard
1543.	Fix Product Name Format	58.9%	Easy
1544.	Make The String Great	68.3%	Easy
1545.	Find Kth Bit in Nth Binary String	70.2%	Med.
1546.	Maximum Number of Non-Overlapping Subarrays With Sum Equals Target	48.3%	Med.
1547.	Minimum Cost to Cut a Stick	62.3%	Hard
1548.	The Most Similar Path in a Graph	59.3%	Hard
1549.	The Most Recent Orders for Each Product	64.9%	Med.
1550.	Three Consecutive Odds	69.5%	Easy
1551.	Minimum Operations to Make Array Equal	82.4%	Med.
1552.	Magnetic Force Between Two Balls	71.5%	Med.
1553.	Minimum Number of Days to Eat N Oranges	35.8%	Hard
1554.	Strings Differ by One Character	40.8%	Med.
1555.	Bank Account Summary	52.0%	Med.
1556.	Thousand Separator	53.6%	Easy
1557.	Minimum Number of Vertices to Reach All Nodes	81.3%	Med.
1558.	Minimum Numbers of Function Calls to Make Target Array	62.7%	Med.
1559.	Detect Cycles in 2D Grid	51.1%	Med.
1560.	Most Visited Sector in a Circular Track	59.4%	Easy
1561.	Maximum Number of Coins You Can Get	84.6%	Med.
1562.	Find Latest Group of Size M	43.3%	Med.
1563.	Stone Game V	41.4%	Hard
1564.	Put Boxes Into the Warehouse I	67.2%	Med.
1565.	Unique Orders and Customers Per Month	82.2%	Easy
1566.	Detect Pattern of Length M Repeated K or More Times	43.5%	Easy
1567.	Maximum Length of Subarray With Positive Product	44.5%	Med.
1568.	Minimum Number of Days to Disconnect Island	59.0%	Hard
1569.	Number of Ways to Reorder Array to Get Same BST	53.7%	Hard
1570.	Dot Product of Two Sparse Vectors	89.9%	Med.
1571.	Warehouse Manager	87.5%	Easy
1572.	Matrix Diagonal Sum	83.8%	Easy
1573.	Number of Ways to Split a String	34.0%	Med.
1574.	Shortest Subarray to be Removed to Make Array Sorted	51.4%	Med.
1575.	Count All Possible Routes	64.9%	Hard
1576.	Replace All ?’s to Avoid Consecutive Repeating Characters	45.2%	Easy
1577.	Number of Ways Where Square of Number Is Equal to Product of Two Numbers	42.4%	Med.
1578.	Minimum Time to Make Rope Colorful	63.4%	Med.
1579.	Remove Max Number of Edges to Keep Graph Fully Traversable	70.3%	Hard
1580.	Put Boxes Into the Warehouse II	65.6%	Med.
1581.	Customer Who Visited but Did Not Make Any Transactions	67.5%	Easy
1582.	Special Positions in a Binary Matrix	68.7%	Easy
1583.	Count Unhappy Friends	62.2%	Med.
1584.	Min Cost to Connect All Points	69.5%	Med.
1585.	Check If String Is Transformable With Substring Sort Operations	49.3%	Hard
1586.	Binary Search Tree Iterator II	63.3%	Med.
1587.	Bank Account Summary II	83.2%	Easy
1588.	Sum of All Odd Length Subarrays	83.6%	Easy
1589.	Maximum Sum Obtained of Any Permutation	39.6%	Med.
1590.	Make Sum Divisible by P	39.4%	Med.
1591.	Strange Printer II	60.3%	Hard
1592.	Rearrange Spaces Between Words	44.0%	Easy
1593.	Split a String Into the Max Number of Unique Substrings	68.4%	Med.
1594.	Maximum Non Negative Product in a Matrix	35.1%	Med.
1595.	Minimum Cost to Connect Two Groups of Points	48.7%	Hard
1596.	The Most Frequently Ordered Products for Each Customer	77.8%	Med.
1597.	Build Binary Expression Tree From Infix Expression	62.5%	Hard
1598.	Crawler Log Folder	71.6%	Easy
1599.	Maximum Profit of Operating a Centennial Wheel	44.1%	Med.
1600.	Throne Inheritance	65.7%	Med.
1601.	Maximum Number of Achievable Transfer Requests	64.5%	Hard
1602.	Find Nearest Right Node in Binary Tree	75.0%	Med.
1603.	Design Parking System	87.1%	Easy
1604.	Alert Using Same Key-Card Three or More Times in a One Hour Period	46.0%	Med.
1605.	Find Valid Matrix Given Row and Column Sums	82.8%	Med.
1606.	Find Servers That Handled Most Number of Requests	44.5%	Hard
1607.	Sellers With No Sales	54.3%	Easy
1608.	Special Array With X Elements Greater Than or Equal X	66.7%	Easy
1609.	Even Odd Tree	66.7%	Med.
1610.	Maximum Number of Visible Points	37.7%	Hard
1611.	Minimum One Bit Operations to Make Integers Zero	73.2%	Hard
1612.	Check If Two Expression Trees are Equivalent	71.3%	Med.
1613.	Find the Missing IDs	73.0%	Med.
1614.	Maximum Nesting Depth of the Parentheses	84.5%	Easy
1615.	Maximal Network Rank	65.6%	Med.
1616.	Split Two Strings to Make Palindrome	31.7%	Med.
1617.	Count Subtrees With Max Distance Between Cities	66.7%	Hard
1618.	Maximum Font to Fit a Sentence in a Screen	61.5%	Med.
1619.	Mean of Array After Removing Some Elements	70.7%	Easy
1620.	Coordinate With Maximum Network Quality	38.6%	Med.
1621.	Number of Sets of K Non-Overlapping Line Segments	44.9%	Med.
1622.	Fancy Sequence	17.6%	Hard
1623.	All Valid Triplets That Can Represent a Country	81.0%	Easy
1624.	Largest Substring Between Two Equal Characters	68.2%	Easy
1625.	Lexicographically Smallest String After Applying Operations	65.6%	Med.
1626.	Best Team With No Conflicts	50.5%	Med.
1627.	Graph Connectivity With Threshold	48.6%	Hard
1628.	Design an Expression Tree With Evaluate Function	82.4%	Med.
1629.	Slowest Key	59.3%	Easy
1630.	Arithmetic Subarrays	83.7%	Med.
1631.	Path With Minimum Effort	62.0%	Med.
1632.	Rank Transform of a Matrix	41.6%	Hard
1633.	Percentage of Users Attended a Contest	59.3%	Easy
1634.	Add Two Polynomials Represented as Linked Lists	60.8%	Med.
1635.	Hopper Company Queries I	48.5%	Hard
1636.	Sort Array by Increasing Frequency	80.4%	Easy
1637.	Widest Vertical Area Between Two Points Containing No Points	87.1%	Easy
1638.	Count Substrings That Differ by One Character	71.9%	Med.
1639.	Number of Ways to Form a Target String Given a Dictionary	56.9%	Hard
1640.	Check Array Formation Through Concatenation	57.1%	Easy
1641.	Count Sorted Vowel Strings	79.0%	Med.
1642.	Furthest Building You Can Reach	50.4%	Med.
1643.	Kth Smallest Instructions	44.0%	Hard
1644.	Lowest Common Ancestor of a Binary Tree II	69.0%	Med.
1645.	Hopper Company Queries II	39.8%	Hard
1646.	Get Maximum in Generated Array	51.1%	Easy
1647.	Minimum Deletions to Make Character Frequencies Unique	61.4%	Med.
1648.	Sell Diminishing-Valued Colored Balls	30.0%	Med.
1649.	Create Sorted Array through Instructions	40.4%	Hard
1650.	Lowest Common Ancestor of a Binary Tree III	82.7%	Med.
1651.	Hopper Company Queries III	65.8%	Hard
1652.	Defuse the Bomb	79.3%	Easy
1653.	Minimum Deletions to Make String Balanced	65.6%	Med.
1654.	Minimum Jumps to Reach Home	30.3%	Med.
1655.	Distribute Repeating Integers	39.9%	Hard
1656.	Design an Ordered Stream	82.3%	Easy
1657.	Determine if Two Strings Are Close	54.2%	Med.
1658.	Minimum Operations to Reduce X to Zero	40.2%	Med.
1659.	Maximize Grid Happiness	40.0%	Hard
1660.	Correct a Binary Tree	74.2%	Med.
1661.	Average Time of Process per Machine	67.9%	Easy
1662.	Check If Two String Arrays are Equivalent	85.9%	Easy
1663.	Smallest String With A Given Numeric Value	67.2%	Med.
1664.	Ways to Make a Fair Array	64.8%	Med.
1665.	Minimum Initial Energy to Finish Tasks	59.7%	Hard
1666.	Change the Root of a Binary Tree	74.9%	Med.
1667.	Fix Names in a Table	60.8%	Easy
1668.	Maximum Repeating Substring	40.0%	Easy
1669.	Merge In Between Linked Lists	82.5%	Med.
1670.	Design Front Middle Back Queue	56.4%	Med.
1671.	Minimum Number of Removals to Make Mountain Array	54.9%	Hard
1672.	Richest Customer Wealth	88.6%	Easy
1673.	Find the Most Competitive Subsequence	52.1%	Med.
1674.	Minimum Moves to Make Array Complementary	42.6%	Med.
1675.	Minimize Deviation in Array	53.9%	Hard
1676.	Lowest Common Ancestor of a Binary Tree IV	79.2%	Med.
1677.	Product’s Worth Over Invoices	38.4%	Easy
1678.	Goal Parser Interpretation	87.8%	Easy
1679.	Max Number of K-Sum Pairs	56.5%	Med.
1680.	Concatenation of Consecutive Binary Numbers	56.8%	Med.
1681.	Minimum Incompatibility	40.2%	Hard
1682.	Longest Palindromic Subsequence II	50.2%	Med.
1683.	Invalid Tweets	85.4%	Easy
1684.	Count the Number of Consistent Strings	88.3%	Easy
1685.	Sum of Absolute Differences in a Sorted Array	68.1%	Med.
1686.	Stone Game VI	59.5%	Med.
1687.	Delivering Boxes from Storage to Ports	39.5%	Hard
1688.	Count of Matches in Tournament	86.1%	Easy
1689.	Partitioning Into Minimum Number Of Deci-Binary Numbers	88.7%	Med.
1690.	Stone Game VII	58.5%	Med.
1691.	Maximum Height by Stacking Cuboids	60.7%	Hard
1692.	Count Ways to Distribute Candies	63.5%	Hard
1693.	Daily Leads and Partners	86.7%	Easy
1694.	Reformat Phone Number	67.2%	Easy
1695.	Maximum Erasure Value	63.9%	Med.
1696.	Jump Game VI	46.1%	Med.
1697.	Checking Existence of Edge Length Limited Paths	62.9%	Hard
1698.	Number of Distinct Substrings in a String	64.5%	Med.
1699.	Number of Calls Between Two Persons	80.8%	Med.
1700.	Number of Students Unable to Eat Lunch	78.9%	Easy
1701.	Average Waiting Time	73.0%	Med.
1702.	Maximum Binary String After Change	47.7%	Med.
1703.	Minimum Adjacent Swaps for K Consecutive Ones	42.0%	Hard
1704.	Determine if String Halves Are Alike	78.7%	Easy
1705.	Maximum Number of Eaten Apples	40.8%	Med.
1706.	Where Will the Ball Fall	72.1%	Med.
1707.	Maximum XOR With an Element From Array	56.3%	Hard
1708.	Largest Subarray Length K	65.4%	Easy
1709.	Biggest Window Between Visits	69.9%	Med.
1710.	Maximum Units on a Truck	74.4%	Easy
1711.	Count Good Meals	31.9%	Med.
1712.	Ways to Split Array Into Three Subarrays	33.7%	Med.
1713.	Minimum Operations to Make a Subsequence	49.0%	Hard
1714.	Sum Of Special Evenly-Spaced Elements In Array	49.3%	Hard
1715.	Count Apples and Oranges	75.8%	Med.
1716.	Calculate Money in Leetcode Bank	78.6%	Easy
1717.	Maximum Score From Removing Substrings	66.5%	Med.
1718.	Construct the Lexicographically Largest Valid Sequence	73.0%	Med.
1719.	Number Of Ways To Reconstruct A Tree	44.4%	Hard
1720.	Decode XORed Array	87.1%	Easy
1721.	Swapping Nodes in a Linked List	68.7%	Med.
1722.	Minimize Hamming Distance After Swap Operations	48.5%	Med.
1723.	Find Minimum Time to Finish All Jobs	44.2%	Hard
1724.	Checking Existence of Edge Length Limited Paths II	51.6%	Hard
1725.	Number Of Rectangles That Can Form The Largest Square	79.1%	Easy
1726.	Tuple with Same Product	70.1%	Med.
1727.	Largest Submatrix With Rearrangements	75.2%	Med.
1728.	Cat and Mouse II	39.6%	Hard
1729.	Find Followers Count	69.5%	Easy
1730.	Shortest Path to Get Food	56.8%	Med.
1731.	The Number of Employees Which Report to Each Employee	52.4%	Easy
1732.	Find the Highest Altitude	83.8%	Easy
1733.	Minimum Number of People to Teach	44.0%	Med.
1734.	Decode XORed Permutation	66.2%	Med.
1735.	Count Ways to Make Array With Product	53.4%	Hard
1736.	Latest Time by Replacing Hidden Digits	43.2%	Easy
1737.	Change Minimum Characters to Satisfy One of Three Conditions	37.3%	Med.
1738.	Find Kth Largest XOR Coordinate Value	63.5%	Med.
1739.	Building Boxes	52.0%	Hard
1740.	Find Distance in a Binary Tree	74.0%	Med.
1741.	Find Total Time Spent by Each Employee	86.7%	Easy
1742.	Maximum Number of Balls in a Box	74.4%	Easy
1743.	Restore the Array From Adjacent Pairs	74.8%	Med.
1744.	Can You Eat Your Favorite Candy on Your Favorite Day?	35.2%	Med.
1745.	Palindrome Partitioning IV	44.9%	Hard
1746.	Maximum Subarray Sum After One Operation	65.3%	Med.
1747.	Leetflex Banned Accounts	62.1%	Med.
1748.	Sum of Unique Elements	79.3%	Easy
1749.	Maximum Absolute Sum of Any Subarray	71.4%	Med.
1750.	Minimum Length of String After Deleting Similar Ends	56.0%	Med.
1751.	Maximum Number of Events That Can Be Attended II	63.8%	Hard
1752.	Check if Array Is Sorted and Rotated	55.2%	Easy
1753.	Maximum Score From Removing Stones	68.1%	Med.
1754.	Largest Merge Of Two Strings	52.2%	Med.
1755.	Closest Subsequence Sum	42.2%	Hard
1756.	Design Most Recently Used Queue	77.8%	Med.
1757.	Recyclable and Low Fat Products	89.1%	Easy
1758.	Minimum Changes To Make Alternating Binary String	63.7%	Easy
1759.	Count Number of Homogenous Substrings	57.3%	Med.
1760.	Minimum Limit of Balls in a Bag	67.0%	Med.
1761.	Minimum Degree of a Connected Trio in a Graph	43.7%	Hard
1762.	Buildings With an Ocean View	80.8%	Med.
1763.	Longest Nice Substring	62.9%	Easy
1764.	Form Array by Concatenating Subarrays of Another Array	53.9%	Med.
1765.	Map of Highest Peak	75.3%	Med.
1766.	Tree of Coprimes	42.7%	Hard
1767.	Find the Subtasks That Did Not Execute	78.2%	Hard
1768.	Merge Strings Alternately	82.2%	Easy
1769.	Minimum Number of Operations to Move All Balls to Each Box	90.1%	Med.
1770.	Maximum Score from Performing Multiplication Operations	42.5%	Hard
1771.	Maximize Palindrome Length From Subsequences	37.5%	Hard
1772.	Sort Features by Popularity	66.1%	Med.
1773.	Count Items Matching a Rule	85.0%	Easy
1774.	Closest Dessert Cost	47.8%	Med.
1775.	Equal Sum Arrays With Minimum Number of Operations	54.1%	Med.
1776.	Car Fleet II	56.7%	Hard
1777.	Product’s Price for Each Store	82.5%	Easy
1778.	Shortest Path in a Hidden Grid	44.3%	Med.
1779.	Find Nearest Point That Has the Same X or Y Coordinate	69.6%	Easy
1780.	Check if Number is a Sum of Powers of Three	79.3%	Med.
1781.	Sum of Beauty of All Substrings	71.9%	Med.
1782.	Count Pairs Of Nodes	41.1%	Hard
1783.	Grand Slam Titles	83.1%	Med.
1784.	Check if Binary String Has at Most One Segment of Ones	39.1%	Easy
1785.	Minimum Elements to Add to Form a Given Sum	44.5%	Med.
1786.	Number of Restricted Paths From First to Last Node	40.3%	Med.
1787.	Make the XOR of All Segments Equal to Zero	40.1%	Hard
1788.	Maximize the Beauty of the Garden	64.1%	Hard
1789.	Primary Department for Each Employee	72.5%	Easy
1790.	Check if One String Swap Can Make Strings Equal	49.5%	Easy
1791.	Find Center of Star Graph	86.6%	Easy
1792.	Maximum Average Pass Ratio	71.6%	Med.
1793.	Maximum Score of a Good Subarray	64.3%	Hard
1794.	Count Pairs of Equal Substrings With Minimum Difference	64.2%	Med.
1795.	Rearrange Products Table	85.6%	Easy
1796.	Second Largest Digit in a String	52.4%	Easy
1797.	Design Authentication Manager	58.0%	Med.
1798.	Maximum Number of Consecutive Values You Can Make	62.6%	Med.
1799.	Maximize Score After N Operations	57.9%	Hard
1800.	Maximum Ascending Subarray Sum	66.4%	Easy
1801.	Number of Orders in the Backlog	52.4%	Med.
1802.	Maximum Value at a Given Index in a Bounded Array	38.8%	Med.
1803.	Count Pairs With XOR in a Range	45.9%	Hard
1804.	Implement Trie II (Prefix Tree)	63.2%	Med.
1805.	Number of Different Integers in a String	39.4%	Easy
1806.	Minimum Number of Operations to Reinitialize a Permutation	72.3%	Med.
1807.	Evaluate the Bracket Pairs of a String	68.7%	Med.
1808.	Maximize Number of Nice Divisors	33.7%	Hard
1809.	Ad-Free Sessions	58.8%	Easy
1810.	Minimum Path Cost in a Hidden Grid	58.7%	Med.
1811.	Find Interview Candidates	60.6%	Med.
1812.	Determine Color of a Chessboard Square	79.5%	Easy
1813.	Sentence Similarity III	48.6%	Med.
1814.	Count Nice Pairs in an Array	48.5%	Med.
1815.	Maximum Number of Groups Getting Fresh Donuts	40.8%	Hard
1816.	Truncate Sentence	86.2%	Easy
1817.	Finding the Users Active Minutes	80.6%	Med.
1818.	Minimum Absolute Sum Difference	31.6%	Med.
1819.	Number of Different Subsequences GCDs	42.5%	Hard
1820.	Maximum Number of Accepted Invitations	51.8%	Med.
1821.	Find Customers With Positive Revenue this Year	87.6%	Easy
1822.	Sign of the Product of an Array	64.9%	Easy
1823.	Find the Winner of the Circular Game	82.1%	Med.
1824.	Minimum Sideway Jumps	51.1%	Med.
1825.	Finding MK Average	38.4%	Hard
1826.	Faulty Sensor	50.2%	Easy
1827.	Minimum Operations to Make the Array Increasing	81.4%	Easy
1828.	Queries on Number of Points Inside a Circle	86.6%	Med.
1829.	Maximum XOR for Each Query	84.8%	Med.
1830.	Minimum Number of Operations to Make String Sorted	50.3%	Hard
1831.	Maximum Transaction Each Day	82.4%	Med.
1832.	Check if the Sentence Is Pangram	83.9%	Easy
1833.	Maximum Ice Cream Bars	74.0%	Med.
1834.	Single-Threaded CPU	46.8%	Med.
1835.	Find XOR Sum of All Pairs Bitwise AND	61.9%	Hard
1836.	Remove Duplicates From an Unsorted Linked List	75.5%	Med.
1837.	Sum of Digits in Base K	78.2%	Easy
1838.	Frequency of the Most Frequent Element	44.3%	Med.
1839.	Longest Substring Of All Vowels in Order	50.9%	Med.
1840.	Maximum Building Height	37.8%	Hard
1841.	League Statistics	53.5%	Med.
1842.	Next Palindrome Using Same Digits	53.8%	Hard
1843.	Suspicious Bank Accounts	44.9%	Med.
1844.	Replace All Digits with Characters	82.3%	Easy
1845.	Seat Reservation Manager	66.6%	Med.
1846.	Maximum Element After Decreasing and Rearranging	65.7%	Med.
1847.	Closest Room	40.2%	Hard
1848.	Minimum Distance to the Target Element	54.2%	Easy
1849.	Splitting a String Into Descending Consecutive Values	37.0%	Med.
1850.	Minimum Adjacent Swaps to Reach the Kth Smallest Number	71.5%	Med.
1851.	Minimum Interval to Include Each Query	52.8%	Hard
1852.	Distinct Numbers in Each Subarray	77.1%	Med.
1853.	Convert Date Format	85.4%	Easy
1854.	Maximum Population Year	62.9%	Easy
1855.	Maximum Distance Between a Pair of Values	54.0%	Med.
1856.	Maximum Subarray Min-Product	39.2%	Med.
1857.	Largest Color Value in a Directed Graph	57.5%	Hard
1858.	Longest Word With All Prefixes	71.8%	Med.
1859.	Sorting the Sentence	83.9%	Easy
1860.	Incremental Memory Leak	72.7%	Med.
1861.	Rotating the Box	79.2%	Med.
1862.	Sum of Floored Pairs	30.0%	Hard
1863.	Sum of All Subset XOR Totals	90.1%	Easy
1864.	Minimum Number of Swaps to Make the Binary String Alternating	43.6%	Med.
1865.	Finding Pairs With a Certain Sum	61.7%	Med.
1866.	Number of Ways to Rearrange Sticks With K Sticks Visible	58.1%	Hard
1867.	Orders With Maximum Quantity Above Average	70.8%	Med.
1868.	Product of Two Run-Length Encoded Arrays	59.5%	Med.
1869.	Longer Contiguous Segments of Ones than Zeros	61.7%	Easy
1870.	Minimum Speed to Arrive on Time	47.4%	Med.
1871.	Jump Game VII	25.8%	Med.
1872.	Stone Game VIII	53.2%	Hard
1873.	Calculate Special Bonus	57.2%	Easy
1874.	Minimize Product Sum of Two Arrays	89.1%	Med.
1875.	Group Employees of the Same Salary	66.0%	Med.
1876.	Substrings of Size Three with Distinct Characters	75.9%	Easy
1877.	Minimize Maximum Pair Sum in Array	81.5%	Med.
1878.	Get Biggest Three Rhombus Sums in a Grid	49.5%	Med.
1879.	Minimum XOR Sum of Two Arrays	49.5%	Hard
1880.	Check if Word Equals Summation of Two Words	74.8%	Easy
1881.	Maximum Value after Insertion	38.7%	Med.
1882.	Process Tasks Using Servers	41.5%	Med.
1883.	Minimum Skips to Arrive at Meeting On Time	38.4%	Hard
1884.	Egg Drop With 2 Eggs and N Floors	74.1%	Med.
1885.	Count Pairs in Two Arrays	60.2%	Med.
1886.	Determine Whether Matrix Can Be Obtained By Rotation	58.5%	Easy
1887.	Reduction Operations to Make the Array Elements Equal	72.3%	Med.
1888.	Minimum Number of Flips to Make the Binary String Alternating	40.7%	Med.
1889.	Minimum Space Wasted From Packaging	32.9%	Hard
1890.	The Latest Login in 2020	77.3%	Easy
1891.	Cutting Ribbons	52.8%	Med.
1892.	Page Recommendations II	45.1%	Hard
1893.	Check if All the Integers in a Range Are Covered	50.6%	Easy
1894.	Find the Student that Will Replace the Chalk	53.2%	Med.
1895.	Largest Magic Square	52.7%	Med.
1896.	Minimum Cost to Change the Final Value of Expression	50.9%	Hard
1897.	Redistribute Characters to Make All Strings Equal	66.8%	Easy
1898.	Maximum Number of Removable Characters	46.2%	Med.
1899.	Merge Triplets to Form Target Triplet	68.1%	Med.
1900.	The Earliest and Latest Rounds Where Players Compete	73.3%	Hard
1901.	Find a Peak Element II	53.6%	Med.
1902.	Depth of BST Given Insertion Order	42.4%	Med.
1903.	Largest Odd Number in String	66.0%	Easy
1904.	The Number of Full Rounds You Have Played	43.4%	Med.
1905.	Count Sub Islands	72.9%	Med.
1906.	Minimum Absolute Difference Queries	44.9%	Med.
1907.	Count Salary Categories	63.0%	Med.
1908.	Game of Nim	62.6%	Med.
1909.	Remove One Element to Make the Array Strictly Increasing	28.9%	Easy
1910.	Remove All Occurrences of a Substring	78.2%	Med.
1911.	Maximum Alternating Subsequence Sum	58.7%	Med.
1912.	Design Movie Rental System	35.9%	Hard
1913.	Maximum Product Difference Between Two Pairs	82.9%	Easy
1914.	Cyclically Rotating a Grid	50.7%	Med.
1915.	Number of Wonderful Substrings	66.7%	Med.
1916.	Count Ways to Build Rooms in an Ant Colony	49.0%	Hard
1917.	Leetcodify Friends Recommendations	28.2%	Hard
1918.	Kth Smallest Subarray Sum	52.7%	Med.
1919.	Leetcodify Similar Friends	42.8%	Hard
1920.	Build Array from Permutation	91.1%	Easy
1921.	Eliminate Maximum Number of Monsters	50.8%	Med.
1922.	Count Good Numbers	57.0%	Med.
1923.	Longest Common Subpath	28.6%	Hard
1924.	Erect the Fence II	50.0%	Hard
1925.	Count Square Sum Triples	69.3%	Easy
1926.	Nearest Exit from Entrance in Maze	47.8%	Med.
1927.	Sum Game	48.7%	Med.
1928.	Minimum Cost to Reach Destination in Time	40.3%	Hard
1929.	Concatenation of Array	90.5%	Easy
1930.	Unique Length-3 Palindromic Subsequences	71.0%	Med.
1931.	Painting a Grid With Three Different Colors	78.2%	Hard
1932.	Merge BSTs to Create Single BST	36.4%	Hard
1933.	Check if String Is Decomposable Into Value-Equal Substrings	50.8%	Easy
1934.	Confirmation Rate	61.2%	Med.
1935.	Maximum Number of Words You Can Type	74.9%	Easy
1936.	Add Minimum Number of Rungs	43.4%	Med.
1937.	Maximum Number of Points with Cost	42.0%	Med.
1938.	Maximum Genetic Difference Query	45.0%	Hard
1939.	Users That Actively Request Confirmation Messages	56.8%	Easy
1940.	Longest Common Subsequence Between Sorted Arrays	81.3%	Med.
1941.	Check if All Characters Have Equal Number of Occurrences	78.9%	Easy
1942.	The Number of the Smallest Unoccupied Chair	60.4%	Med.
1943.	Describe the Painting	51.4%	Med.
1944.	Number of Visible People in a Queue	71.7%	Hard
1945.	Sum of Digits of String After Convert	74.8%	Easy
1946.	Largest Number After Mutating Substring	37.1%	Med.
1947.	Maximum Compatibility Score Sum	63.7%	Med.
1948.	Delete Duplicate Folders in System	78.1%	Hard
1949.	Strong Friendship	54.3%	Med.
1950.	Maximum of Minimum Values in All Subarrays	48.0%	Med.
1951.	All the Pairs With the Maximum Number of Common Followers	69.4%	Med.
1952.	Three Divisors	63.1%	Easy
1953.	Maximum Number of Weeks for Which You Can Work	41.7%	Med.
1954.	Minimum Garden Perimeter to Collect Enough Apples	54.9%	Med.
1955.	Count Number of Special Subsequences	52.1%	Hard
1956.	Minimum Time For K Virus Variants to Spread	49.8%	Hard
1957.	Delete Characters to Make Fancy String	74.2%	Easy
1958.	Check if Move is Legal	49.6%	Med.
1959.	Minimum Total Space Wasted With K Resizing Operations	43.2%	Med.
1960.	Maximum Product of the Length of Two Palindromic Substrings	30.5%	Hard
1961.	Check If String Is a Prefix of Array	52.6%	Easy
1962.	Remove Stones to Minimize the Total	64.8%	Med.
1963.	Minimum Number of Swaps to Make the String Balanced	78.0%	Med.
1964.	Find the Longest Valid Obstacle Course at Each Position	62.5%	Hard
1965.	Employees With Missing Information	72.9%	Easy
1966.	Binary Searchable Numbers in an Unsorted Array	62.6%	Med.
1967.	Number of Strings That Appear as Substrings in Word	82.1%	Easy
1968.	Array With Elements Not Equal to Average of Neighbors	50.2%	Med.
1969.	Minimum Non-Zero Product of the Array Elements	36.6%	Med.
1970.	Last Day Where You Can Still Cross	62.4%	Hard
1971.	Find if Path Exists in Graph	54.2%	Easy
1972.	First and Last Call On the Same Day	51.1%	Hard
1973.	Count Nodes Equal to Sum of Descendants	77.2%	Med.
1974.	Minimum Time to Type Word Using Special Typewriter	78.0%	Easy
1975.	Maximum Matrix Sum	65.9%	Med.
1976.	Number of Ways to Arrive at Destination	37.2%	Med.
1977.	Number of Ways to Separate Numbers	21.1%	Hard
1978.	Employees Whose Manager Left the Company	48.8%	Easy
1979.	Find Greatest Common Divisor of Array	78.9%	Easy
1980.	Find Unique Binary String	79.4%	Med.
1981.	Minimize the Difference Between Target and Chosen Elements	36.1%	Med.
1982.	Find Array Given Subset Sums	49.0%	Hard
1983.	Widest Pair of Indices With Equal Range Sum	53.5%	Med.
1984.	Minimum Difference Between Highest and Lowest of K Scores	58.9%	Easy
1985.	Find the Kth Largest Integer in the Array	47.1%	Med.
1986.	Minimum Number of Work Sessions to Finish the Tasks	34.0%	Med.
1987.	Number of Unique Good Subsequences	52.3%	Hard
1988.	Find Cutoff Score for Each School	66.9%	Med.
1989.	Maximum Number of People That Can Be Caught in Tag	49.3%	Med.
1990.	Count the Number of Experiments	48.9%	Med.
1991.	Find the Middle Index in Array	68.4%	Easy
1992.	Find All Groups of Farmland	75.5%	Med.
1993.	Operations on Tree	44.1%	Med.
1994.	The Number of Good Subsets	36.1%	Hard
1995.	Count Special Quadruplets	63.7%	Easy
1996.	The Number of Weak Characters in the Game	44.3%	Med.
1997.	First Day Where You Have Been in All the Rooms	39.9%	Med.
1998.	GCD Sort of an Array	47.1%	Hard
1999.	Smallest Greater Multiple Made of Two Digits	48.0%	Med.
2000.	Reverse Prefix of Word	86.4%	Easy
2001.	Number of Pairs of Interchangeable Rectangles	51.6%	Med.
2002.	Maximum Product of the Length of Two Palindromic Subsequences	61.7%	Med.
2003.	Smallest Missing Genetic Value in Each Subtree	46.9%	Hard
2004.	The Number of Seniors and Juniors to Join the Company	45.5%	Hard
2005.	Subtree Removal Game with Fibonacci Tree	57.2%	Hard
2006.	Count Number of Pairs With Absolute Difference K	85.0%	Easy
2007.	Find Original Array From Doubled Array	40.6%	Med.
2008.	Maximum Earnings From Taxi	45.4%	Med.
2009.	Minimum Number of Operations to Make Array Continuous	52.2%	Hard
2010.	The Number of Seniors and Juniors to Join the Company II	65.0%	Hard
2011.	Final Value of Variable After Performing Operations	89.6%	Easy
2012.	Sum of Beauty in the Array	50.4%	Med.
2013.	Detect Squares	51.6%	Med.
2014.	Longest Subsequence Repeated k Times	71.5%	Hard
2015.	Average Height of Buildings in Each Segment	57.7%	Med.
2016.	Maximum Difference Between Increasing Elements	66.3%	Easy
2017.	Grid Game	60.9%	Med.
2018.	Check if Word Can Be Placed In Crossword	50.2%	Med.
2019.	The Score of Students Solving Math Expression	33.5%	Hard
2020.	Number of Accounts That Did Not Stream	72.2%	Med.
2021.	Brightest Position on Street	60.4%	Med.
2022.	Convert 1D Array Into 2D Array	71.9%	Easy
2023.	Number of Pairs of Strings With Concatenation Equal to Target	75.0%	Med.
2024.	Maximize the Confusion of an Exam	69.0%	Med.
2025.	Maximum Number of Ways to Partition an Array	34.9%	Hard
2026.	Low-Quality Problems	84.5%	Easy
2027.	Minimum Moves to Convert String	56.9%	Easy
2028.	Find Missing Observations	57.4%	Med.
2029.	Stone Game IX	29.2%	Med.
2030.	Smallest K-Length Subsequence With Occurrences of a Letter	39.1%	Hard
2031.	Count Subarrays With More Ones Than Zeros	51.4%	Med.
2032.	Two Out of Three	76.8%	Easy
2033.	Minimum Operations to Make a Uni-Value Grid	67.5%	Med.
2034.	Stock Price Fluctuation	48.4%	Med.
2035.	Partition Array Into Two Arrays to Minimize Sum Difference	22.2%	Hard
2036.	Maximum Alternating Subarray Sum	39.9%	Med.
2037.	Minimum Number of Moves to Seat Everyone	87.3%	Easy
2038.	Remove Colored Pieces if Both Neighbors are the Same Color	62.9%	Med.
2039.	The Time When the Network Becomes Idle	54.3%	Med.
2040.	Kth Smallest Product of Two Sorted Arrays	49.1%	Hard
2041.	Accepted Candidates From the Interviews	78.7%	Med.
2042.	Check if Numbers Are Ascending in a Sentence	72.2%	Easy
2043.	Simple Bank System	61.3%	Med.
2044.	Count Number of Maximum Bitwise-OR Subsets	89.7%	Med.
2045.	Second Minimum Time to Reach Destination	62.4%	Hard
2046.	Sort Linked List Already Sorted Using Absolute Values	67.0%	Med.
2047.	Number of Valid Words in a Sentence	30.2%	Easy
2048.	Next Greater Numerically Balanced Number	49.2%	Med.
2049.	Count Nodes With the Highest Score	51.5%	Med.
2050.	Parallel Courses III	66.8%	Hard
2051.	The Category of Each Member in the Store	70.9%	Med.
2052.	Minimum Cost to Separate Sentence Into Rows	50.7%	Med.
2053.	Kth Distinct String in an Array	82.0%	Easy
2054.	Two Best Non-Overlapping Events	60.8%	Med.
2055.	Plates Between Candles	46.9%	Med.
2056.	Number of Valid Move Combinations On Chessboard	48.0%	Hard
2057.	Smallest Index With Equal Value	72.7%	Easy
2058.	Find the Minimum and Maximum Number of Nodes Between Critical Points	69.4%	Med.
2059.	Minimum Operations to Convert Number	50.8%	Med.
2060.	Check if an Original String Exists Given Two Encoded Strings	43.3%	Hard
2061.	Number of Spaces Cleaning Robot Cleaned	62.2%	Med.
2062.	Count Vowel Substrings of a String	71.9%	Easy
2063.	Vowels of All Substrings	54.8%	Med.
2064.	Minimized Maximum of Products Distributed to Any Store	62.7%	Med.
2065.	Maximum Path Quality of a Graph	60.1%	Hard
2066.	Account Balance	82.3%	Med.
2067.	Number of Equal Count Substrings	45.0%	Med.
2068.	Check Whether Two Strings are Almost Equivalent	63.8%	Easy
2069.	Walking Robot Simulation II	25.2%	Med.
2070.	Most Beautiful Item for Each Query	62.1%	Med.
2071.	Maximum Number of Tasks You Can Assign	50.5%	Hard
2072.	The Winner University	75.3%	Easy
2073.	Time Needed to Buy Tickets	71.0%	Easy
2074.	Reverse Nodes in Even Length Groups	61.9%	Med.
2075.	Decode the Slanted Ciphertext	49.3%	Med.
2076.	Process Restricted Friend Requests	57.4%	Hard
2077.	Paths in Maze That Lead to Same Room	56.2%	Med.
2078.	Two Furthest Houses With Different Colors	65.6%	Easy
2079.	Watering Plants	80.0%	Med.
2080.	Range Frequency Queries	40.3%	Med.
2081.	Sum of k-Mirror Numbers	63.9%	Hard
2082.	The Number of Rich Customers	77.5%	Easy
2083.	Substrings That Begin and End With the Same Letter	74.3%	Med.
2084.	Drop Type 1 Orders for Customers With Type 0 Orders	86.9%	Med.
2085.	Count Common Words With One Occurrence	72.7%	Easy
2086.	Minimum Number of Food Buckets to Feed the Hamsters	47.3%	Med.
2087.	Minimum Cost Homecoming of a Robot in a Grid	51.4%	Med.
2088.	Count Fertile Pyramids in a Land	65.9%	Hard
2089.	Find Target Indices After Sorting Array	77.4%	Easy
2090.	K Radius Subarray Averages	45.9%	Med.
2091.	Removing Minimum and Maximum From Array	55.6%	Med.
2092.	Find All People With Secret	45.3%	Hard
2093.	Minimum Cost to Reach City With Discounts	59.9%	Med.
2094.	Finding 3-Digit Even Numbers	78.9%	Easy
2095.	Delete the Middle Node of a Linked List	59.5%	Med.
2096.	Step-By-Step Directions From a Binary Tree Node to Another	56.3%	Med.
2097.	Valid Arrangement of Pairs	66.3%	Hard
2098.	Subsequence of Size K With the Largest Even Sum	35.8%	Med.
2099.	Find Subsequence of Length K With the Largest Sum	57.5%	Easy
2100.	Find Good Days to Rob the Bank	50.7%	Med.
2101.	Detonate the Maximum Bombs	49.5%	Med.
2102.	Sequentially Ordinal Rank Tracker	61.6%	Hard
2103.	Rings and Rods	81.3%	Easy
2104.	Sum of Subarray Ranges	60.1%	Med.
2105.	Watering Plants II	48.3%	Med.
2106.	Maximum Fruits Harvested After at Most K Steps	61.1%	Hard
2107.	Number of Unique Flavors After Sharing K Candies	60.3%	Med.
2108.	Find First Palindromic String in the Array	84.0%	Easy
2109.	Adding Spaces to a String	71.7%	Med.
2110.	Number of Smooth Descent Periods of a Stock	59.7%	Med.
2111.	Minimum Operations to Make the Array K-Increasing	39.5%	Hard
2112.	The Airport With the Most Traffic	71.5%	Med.
2113.	Elements in Array After Removing and Replacing Elements	70.1%	Med.
2114.	Maximum Number of Words Found in Sentences	86.6%	Easy
2115.	Find All Possible Recipes from Given Supplies	56.5%	Med.
2116.	Check if a Parentheses String Can Be Valid	44.9%	Med.
2117.	Abbreviating the Product of a Range	24.4%	Hard
2118.	Build the Equation	56.7%	Hard
2119.	A Number After a Double Reversal	81.4%	Easy
2120.	Execution of All Suffix Instructions Staying in a Grid	81.7%	Med.
2121.	Intervals Between Identical Elements	45.2%	Med.
2122.	Recover the Original Array	40.5%	Hard
2123.	Minimum Operations to Remove Adjacent Ones in Matrix	41.8%	Hard
2124.	Check if All A’s Appears Before All B’s	72.5%	Easy
2125.	Number of Laser Beams in a Bank	85.4%	Med.
2126.	Destroying Asteroids	52.8%	Med.
2127.	Maximum Employees to Be Invited to a Meeting	62.0%	Hard
2128.	Remove All Ones With Row and Column Flips	76.2%	Med.
2129.	Capitalize the Title	66.9%	Easy
2130.	Maximum Twin Sum of a Linked List	81.6%	Med.
2131.	Longest Palindrome by Concatenating Two Letter Words	53.7%	Med.
2132.	Stamping the Grid	33.8%	Hard
2133.	Check if Every Row and Column Contains All Numbers	53.2%	Easy
2134.	Minimum Swaps to Group All 1’s Together II	65.6%	Med.
2135.	Count Words Obtained After Adding a Letter	43.7%	Med.
2136.	Earliest Possible Day of Full Bloom	71.2%	Hard
2137.	Pour Water Between Buckets to Make Water Levels Equal	67.3%	Med.
2138.	Divide a String Into Groups of Size k	77.1%	Easy
2139.	Minimum Moves to Reach Target Score	51.7%	Med.
2140.	Solving Questions With Brainpower	60.3%	Med.
2141.	Maximum Running Time of N Computers	49.8%	Hard
2142.	The Number of Passengers in Each Bus I	49.0%	Med.
2143.	Choose Numbers From Two Arrays in Range	52.3%	Hard
2144.	Minimum Cost of Buying Candies With Discount	62.3%	Easy
2145.	Count the Hidden Sequences	56.7%	Med.
2146.	K Highest Ranked Items Within a Price Range	45.4%	Med.
2147.	Number of Ways to Divide a Long Corridor	48.7%	Hard
2148.	Count Elements With Strictly Smaller and Greater Elements	59.3%	Easy
2149.	Rearrange Array Elements by Sign	84.5%	Med.
2150.	Find All Lonely Numbers in the Array	62.0%	Med.
2151.	Maximum Good People Based on Statements	51.4%	Hard
2152.	Minimum Number of Lines to Cover Points	43.1%	Med.
2153.	The Number of Passengers in Each Bus II	40.1%	Hard
2154.	Keep Multiplying Found Values by Two	71.3%	Easy
2155.	All Divisions With the Highest Score of a Binary Array	64.6%	Med.
2156.	Find Substring With Given Hash Value	25.2%	Hard
2157.	Groups of Strings	27.0%	Hard
2158.	Amount of New Area Painted Each Day	55.5%	Hard
2159.	Order Two Columns Independently	61.2%	Med.
2160.	Minimum Sum of Four Digit Number After Splitting Digits	86.2%	Easy
2161.	Partition Array According to Given Pivot	89.9%	Med.
2162.	Minimum Cost to Set Cooking Time	41.1%	Med.
2163.	Minimum Difference in Sums After Removal of Elements	70.0%	Hard
2164.	Sort Even and Odd Indices Independently	62.8%	Easy
2165.	Smallest Value of the Rearranged Number	52.9%	Med.
2166.	Design Bitset	32.0%	Med.
2167.	Minimum Time to Remove All Cars Containing Illegal Goods	41.5%	Hard
2168.	Unique Substrings With Equal Digit Frequency	64.3%	Med.
2169.	Count Operations to Obtain Zero	75.1%	Easy
2170.	Minimum Operations to Make the Array Alternating	34.8%	Med.
2171.	Removing Minimum Number of Magic Beans	43.9%	Med.
2172.	Maximum AND Sum of Array	50.1%	Hard
2173.	Longest Winning Streak	54.6%	Hard
2174.	Remove All Ones With Row and Column Flips II	67.2%	Med.
2175.	The Change in Global Rankings	60.7%	Med.
2176.	Count Equal and Divisible Pairs in an Array	84.0%	Easy
2177.	Find Three Consecutive Integers That Sum to a Given Number	64.8%	Med.
2178.	Maximum Split of Positive Even Integers	59.5%	Med.
2179.	Count Good Triplets in an Array	66.0%	Hard
2180.	Count Integers With Even Digit Sum	69.1%	Easy
2181.	Merge Nodes in Between Zeros	89.6%	Med.
2182.	Construct String With Repeat Limit	70.9%	Med.
2183.	Count Array Pairs Divisible by K	30.2%	Hard
2184.	Number of Ways to Build Sturdy Brick Wall	49.4%	Med.
2185.	Counting Words With a Given Prefix	84.5%	Easy
2186.	Minimum Number of Steps to Make Two Strings Anagram II	72.9%	Med.
2187.	Minimum Time to Complete Trips	39.1%	Med.
2188.	Minimum Time to Finish the Race	42.6%	Hard
2189.	Number of Ways to Build House of Cards	62.5%	Med.
2190.	Most Frequent Number Following Key In an Array	59.3%	Easy
2191.	Sort the Jumbled Numbers	60.0%	Med.
2192.	All Ancestors of a Node in a Directed Acyclic Graph	62.0%	Med.
2193.	Minimum Number of Moves to Make Palindrome	52.2%	Hard
2194.	Cells in a Range on an Excel Sheet	84.0%	Easy
2195.	Append K Integers With Minimal Sum	26.3%	Med.
2196.	Create Binary Tree From Descriptions	81.6%	Med.
2197.	Replace Non-Coprime Numbers in Array	40.8%	Hard
2198.	Number of Single Divisor Triplets	54.3%	Med.
2199.	Finding the Topic of Each Post	50.0%	Hard
2200.	Find All K-Distant Indices in an Array	77.4%	Easy
2201.	Count Artifacts That Can Be Extracted	56.5%	Med.
2202.	Maximize the Topmost Element After K Moves	23.6%	Med.
2203.	Minimum Weighted Subgraph With the Required Paths	39.1%	Hard
2204.	Distance to a Cycle in Undirected Graph	73.0%	Hard
2205.	The Number of Users That Are Eligible for Discount	50.7%	Easy
2206.	Divide Array Into Equal Pairs	79.3%	Easy
2207.	Maximize Number of Subsequences in a String	35.4%	Med.
2208.	Minimum Operations to Halve Array Sum	49.2%	Med.
2209.	Minimum White Tiles After Covering With Carpets	37.6%	Hard
2210.	Count Hills and Valleys in an Array	69.3%	Easy
2211.	Count Collisions on a Road	44.6%	Med.
2212.	Maximum Points in an Archery Competition	50.8%	Med.
2213.	Longest Substring of One Repeating Character	33.5%	Hard
2214.	Minimum Health to Beat Game	58.8%	Med.
2215.	Find the Difference of Two Arrays	81.0%	Easy
2216.	Minimum Deletions to Make Array Beautiful	49.2%	Med.
2217.	Find Palindrome With Fixed Length	37.5%	Med.
2218.	Maximum Value of K Coins From Piles	60.4%	Hard
2219.	Maximum Sum Score of Array	62.5%	Med.
2220.	Minimum Bit Flips to Convert Number	87.7%	Easy
2221.	Find Triangular Sum of an Array	78.9%	Med.
2222.	Number of Ways to Select Buildings	50.5%	Med.
2223.	Sum of Scores of Built Strings	42.9%	Hard
2224.	Minimum Number of Operations to Convert Time	65.8%	Easy
2225.	Find Players With Zero or One Losses	72.5%	Med.
2226.	Maximum Candies Allocated to K Children	50.0%	Med.
2227.	Encrypt and Decrypt Strings	37.1%	Hard
2228.	Users With Two Purchases Within Seven Days	46.4%	Med.
2229.	Check if an Array Is Consecutive	61.9%	Easy
2230.	The Users That Are Eligible for Discount	50.7%	Easy
2231.	Largest Number After Digit Swaps by Parity	64.2%	Easy
2232.	Minimize Result by Adding Parentheses to Expression	67.8%	Med.
2233.	Maximum Product After K Increments	42.6%	Med.
2234.	Maximum Total Beauty of the Gardens	29.9%	Hard
2235.	Add Two Integers	88.0%	Easy
2236.	Root Equals Sum of Children	85.0%	Easy
2237.	Count Positions on Street With Required Brightness	62.5%	Med.
2238.	Number of Times a Driver Was a Passenger	72.1%	Med.
2239.	Find Closest Number to Zero	47.4%	Easy
2240.	Number of Ways to Buy Pens and Pencils	56.2%	Med.
2241.	Design an ATM Machine	42.8%	Med.
2242.	Maximum Score of a Node Sequence	39.3%	Hard
2243.	Calculate Digit Sum of a String	66.8%	Easy
2244.	Minimum Rounds to Complete All Tasks	63.0%	Med.
2245.	Maximum Trailing Zeros in a Cornered Path	36.8%	Med.
2246.	Longest Path With Different Adjacent Characters	53.9%	Hard
2247.	Maximum Cost of Trip With K Highways	50.5%	Hard
2248.	Intersection of Multiple Arrays	68.5%	Easy
2249.	Count Lattice Points Inside a Circle	55.6%	Med.
2250.	Count Number of Rectangles Containing Each Point	36.3%	Med.
2251.	Number of Flowers in Full Bloom	57.4%	Hard
2252.	Dynamic Pivoting of a Table	57.7%	Hard
2253.	Dynamic Unpivoting of a Table	69.1%	Hard
2254.	Design Video Sharing Platform	63.6%	Hard
2255.	Count Prefixes of a Given String	74.0%	Easy
2256.	Minimum Average Difference	43.6%	Med.
2257.	Count Unguarded Cells in the Grid	65.7%	Med.
2258.	Escape the Spreading Fire	36.5%	Hard
2259.	Remove Digit From Number to Maximize Result	47.6%	Easy
2260.	Minimum Consecutive Cards to Pick Up	52.9%	Med.
2261.	K Divisible Elements Subarrays	54.3%	Med.
2262.	Total Appeal of A String	55.9%	Hard
2263.	Make Array Non-decreasing or Non-increasing	65.4%	Hard
2264.	Largest 3-Same-Digit Number in String	72.8%	Easy
2265.	Count Nodes Equal to Average of Subtree	86.6%	Med.
2266.	Count Number of Texts	49.2%	Med.
2267.	Check if There Is a Valid Parentheses String Path	39.6%	Hard
2268.	Minimum Number of Keypresses	71.3%	Med.
2269.	Find the K-Beauty of a Number	62.1%	Easy
2270.	Number of Ways to Split Array	56.0%	Med.
2271.	Maximum White Tiles Covered by a Carpet	35.1%	Med.
2272.	Substring With Largest Variance	45.9%	Hard
2273.	Find Resultant Array After Removing Anagrams	59.8%	Easy
2274.	Maximum Consecutive Floors Without Special Floors	52.2%	Med.
2275.	Largest Combination With Bitwise AND Greater Than Zero	80.8%	Med.
2276.	Count Integers in Intervals	34.6%	Hard
2277.	Closest Node to Path in Tree	62.2%	Hard
2278.	Percentage of Letter in String	74.7%	Easy
2279.	Maximum Bags With Full Capacity of Rocks	67.8%	Med.
2280.	Minimum Lines to Represent a Line Chart	26.3%	Med.
2281.	Sum of Total Strength of Wizards	28.6%	Hard
2282.	Number of People That Can Be Seen in a Grid	47.3%	Med.
2283.	Check if Number Has Equal Digit Count and Digit Value	72.6%	Easy
2284.	Sender With Largest Word Count	58.7%	Med.
2285.	Maximum Total Importance of Roads	69.1%	Med.
2286.	Booking Concert Tickets in Groups	17.9%	Hard
2287.	Rearrange Characters to Make Target String	60.4%	Easy
2288.	Apply Discount to Prices	33.1%	Med.
2289.	Steps to Make Array Non-decreasing	23.4%	Med.
2290.	Minimum Obstacle Removal to Reach Corner	70.2%	Hard
2291.	Maximum Profit From Trading Stocks	46.8%	Med.
2292.	Products With Three or More Orders in Two Consecutive Years	40.3%	Med.
2293.	Min Max Game	63.8%	Easy
2294.	Partition Array Such That Maximum Difference Is K	81.8%	Med.
2295.	Replace Elements in an Array	59.0%	Med.
2296.	Design a Text Editor	47.9%	Hard
2297.	Jump Game VIII	45.0%	Med.
2298.	Tasks Count in the Weekend	82.1%	Med.
2299.	Strong Password Checker II	55.1%	Easy
2300.	Successful Pairs of Spells and Potions	45.8%	Med.
2301.	Match Substring After Replacement	42.4%	Hard
2302.	Count Subarrays With Score Less Than K	62.4%	Hard
2303.	Calculate Amount Paid in Taxes	67.8%	Easy
2304.	Minimum Path Cost in a Grid	67.5%	Med.
2305.	Fair Distribution of Cookies	69.5%	Med.
2306.	Naming a Company	46.4%	Hard
2307.	Check for Contradictions in Equations	43.5%	Hard
2308.	Arrange Table by Gender	70.5%	Med.
2309.	Greatest English Letter in Upper and Lower Case	71.3%	Easy
2310.	Sum of Numbers With Units Digit K	27.5%	Med.
2311.	Longest Binary Subsequence Less Than or Equal to K	52.9%	Med.
2312.	Selling Pieces of Wood	51.9%	Hard
2313.	Minimum Flips in Binary Tree to Get Result	56.7%	Hard
2314.	The First Day of the Maximum Recorded Degree in Each City	73.5%	Med.
2315.	Count Asterisks	82.9%	Easy
2316.	Count Unreachable Pairs of Nodes in an Undirected Graph	49.5%	Med.
2317.	Maximum XOR After Operations	79.5%	Med.
2318.	Number of Distinct Roll Sequences	57.7%	Hard
2319.	Check if Matrix Is X-Matrix	65.8%	Easy
2320.	Count Number of Ways to Place Houses	43.1%	Med.
2321.	Maximum Score Of Spliced Array	57.8%	Hard
2322.	Minimum Score After Removals on a Tree	76.5%	Hard
2323.	Find Minimum Time to Finish All Jobs II	65.7%	Med.
2324.	Product Sales Analysis IV	75.6%	Med.
2325.	Decode the Message	85.6%	Easy
2326.	Spiral Matrix IV	82.2%	Med.
2327.	Number of People Aware of a Secret	46.5%	Med.
2328.	Number of Increasing Paths in a Grid	57.6%	Hard
2329.	Product Sales Analysis V	70.8%	Easy
2330.	Valid Palindrome IV	75.7%	Med.
2331.	Evaluate Boolean Binary Tree	82.4%	Easy
2332.	The Latest Time to Catch a Bus	29.0%	Med.
2333.	Minimum Sum of Squared Difference	26.1%	Med.
2334.	Subarray With Elements Greater Than Varying Threshold	44.7%	Hard
2335.	Minimum Amount of Time to Fill Cups	59.3%	Easy
2336.	Smallest Number in Infinite Set	70.6%	Med.
2337.	Move Pieces to Obtain a String	56.8%	Med.
2338.	Count the Number of Ideal Arrays	57.0%	Hard
2339.	All the Matches of the League	88.5%	Easy
2340.	Minimum Adjacent Swaps to Make a Valid Array	72.2%	Med.
2341.	Maximum Number of Pairs in Array	75.6%	Easy
2342.	Max Sum of a Pair With Equal Sum of Digits	66.0%	Med.
2343.	Query Kth Smallest Trimmed Number	46.0%	Med.
2344.	Minimum Deletions to Make Array Divisible	57.8%	Hard
2345.	Finding the Number of Visible Mountains	36.7%	Med.
2346.	Compute the Rank as a Percentage	34.0%	Med.
2347.	Best Poker Hand	61.3%	Easy
2348.	Number of Zero-Filled Subarrays	70.2%	Med.
2349.	Design a Number Container System	57.1%	Med.
2350.	Shortest Impossible Sequence of Rolls	68.9%	Hard
2351.	First Letter to Appear Twice	74.4%	Easy
2352.	Equal Row and Column Pairs	70.6%	Med.
2353.	Design a Food Rating System	45.0%	Med.
2354.	Number of Excellent Pairs	48.3%	Hard
2355.	Maximum Number of Books You Can Take	39.3%	Hard
2356.	Number of Unique Subjects Taught by Each Teacher	89.3%	Easy
2357.	Make Array Zero by Subtracting Equal Amounts	73.6%	Easy
2358.	Maximum Number of Groups Entering a Competition	68.3%	Med.
2359.	Find Closest Node to Given Two Nodes	52.9%	Med.
2360.	Longest Cycle in a Graph	50.0%	Hard
2361.	Minimum Costs Using the Train Line	77.7%	Hard
2362.	Generate the Invoice	76.5%	Hard
2363.	Merge Similar Items	77.0%	Easy
2364.	Count Number of Bad Pairs	54.3%	Med.
2365.	Task Scheduler II	54.1%	Med.
2366.	Minimum Replacements to Sort the Array	53.2%	Hard
2367.	Number of Arithmetic Triplets	85.1%	Easy
2368.	Reachable Nodes With Restrictions	59.7%	Med.
2369.	Check if There is a Valid Partition For The Array	52.1%	Med.
2370.	Longest Ideal Subsequence	46.8%	Med.
2371.	Minimize Maximum Value in a Grid	70.7%	Hard
2372.	Calculate the Influence of Each Salesperson	83.9%	Med.
2373.	Largest Local Values in a Matrix	87.8%	Easy
2374.	Node With Highest Edge Score	48.7%	Med.
2375.	Construct Smallest Number From DI String	85.8%	Med.
2376.	Count Special Integers	40.4%	Hard
2377.	Sort the Olympic Table	79.5%	Easy
2378.	Choose Edges to Maximize Score in a Tree	56.2%	Med.
2379.	Minimum Recolors to Get K Consecutive Black Blocks	68.4%	Easy
2380.	Time Needed to Rearrange a Binary String	51.8%	Med.
2381.	Shifting Letters II	53.4%	Med.
2382.	Maximum Segment Sum After Removals	48.7%	Hard
2383.	Minimum Hours of Training to Win a Competition	42.0%	Easy
2384.	Largest Palindromic Number	36.6%	Med.
2385.	Amount of Time for Binary Tree to Be Infected	64.4%	Med.
2386.	Find the K-Sum of an Array	40.1%	Hard
2387.	Median of a Row Wise Sorted Matrix	70.1%	Med.
2388.	Change Null Values in a Table to the Previous Value	51.9%	Med.
2389.	Longest Subsequence With Limited Sum	73.0%	Easy
2390.	Removing Stars From a String	78.3%	Med.
2391.	Minimum Amount of Time to Collect Garbage	85.1%	Med.
2392.	Build a Matrix With Conditions	79.3%	Hard
2393.	Count Strictly Increasing Subarrays	71.3%	Med.
2394.	Employees With Deductions	42.0%	Med.
2395.	Find Subarrays With Equal Sum	66.5%	Easy
2396.	Strictly Palindromic Number	88.3%	Med.
2397.	Maximum Rows Covered by Columns	56.9%	Med.
2398.	Maximum Number of Robots Within Budget	37.2%	Hard
2399.	Check Distances Between Same Letters	71.0%	Easy
2400.	Number of Ways to Reach a Position After Exactly k Steps	36.3%	Med.
2401.	Longest Nice Subarray	64.8%	Med.
2402.	Meeting Rooms III	49.0%	Hard
2403.	Minimum Time to Kill All Monsters	56.4%	Hard
2404.	Most Frequent Even Element	52.4%	Easy
2405.	Optimal Partition of String	78.3%	Med.
2406.	Divide Intervals Into Minimum Number of Groups	63.6%	Med.
2407.	Longest Increasing Subsequence II	25.6%	Hard
2408.	Design SQL	68.1%	Med.
2409.	Count Days Spent Together	46.8%	Easy
2410.	Maximum Matching of Players With Trainers	75.1%	Med.
2411.	Smallest Subarrays With Maximum Bitwise OR	62.1%	Med.
2412.	Minimum Money Required Before Transactions	41.5%	Hard
2413.	Smallest Even Multiple	88.1%	Easy
2414.	Length of the Longest Alphabetical Continuous Substring	59.8%	Med.
2415.	Reverse Odd Levels of Binary Tree	86.6%	Med.
2416.	Sum of Prefix Scores of Strings	60.7%	Hard
2417.	Closest Fair Integer	45.2%	Med.
2418.	Sort the People	84.8%	Easy
2419.	Longest Subarray With Maximum Bitwise AND	65.4%	Med.
2420.	Find All Good Indices	40.2%	Med.
2421.	Number of Good Paths	56.1%	Hard
2422.	Merge Operations to Turn Array Into a Palindrome	68.9%	Med.
2423.	Remove Letter To Equalize Frequency	18.4%	Easy
2424.	Longest Uploaded Prefix	54.1%	Med.
2425.	Bitwise XOR of All Pairings	67.0%	Med.
2426.	Number of Pairs Satisfying Inequality	45.8%	Hard
2427.	Number of Common Factors	79.6%	Easy
2428.	Maximum Sum of an Hourglass	76.0%	Med.
2429.	Minimize XOR	62.4%	Med.
2430.	Maximum Deletions on a String	34.9%	Hard
2431.	Maximize Total Tastiness of Purchased Fruits	64.7%	Med.
2432.	The Employee That Worked on the Longest Task	50.8%	Easy
2433.	Find The Original Array of Prefix Xor	88.2%	Med.
2434.	Using a Robot to Print the Lexicographically Smallest String	62.5%	Med.
2435.	Paths in Matrix Whose Sum Is Divisible by K	44.5%	Hard
2436.	Minimum Split Into Subarrays With GCD Greater Than One	69.9%	Med.
2437.	Number of Valid Clock Times	47.6%	Easy
2438.	Range Product Queries of Powers	61.3%	Med.
2439.	Minimize Maximum of Array	46.4%	Med.
2440.	Create Components With Same Value	52.4%	Hard
2441.	Largest Positive Integer That Exists With Its Negative	74.6%	Easy
2442.	Count Number of Distinct Integers After Reverse Operations	80.6%	Med.
2443.	Sum of Number and Its Reverse	48.5%	Med.
2444.	Count Subarrays With Fixed Bounds	69.4%	Hard
2445.	Number of Nodes With Value One	65.8%	Med.
2446.	Determine if Two Events Have Conflict	52.5%	Easy
2447.	Number of Subarrays With GCD Equal to K	51.4%	Med.
2448.	Minimum Cost to Make Array Equal	46.4%	Hard
2449.	Minimum Number of Operations to Make Arrays Similar	60.9%	Hard
2450.	Number of Distinct Binary Strings After Applying Operations	63.6%	Med.
2451.	Odd String Difference	61.3%	Easy
2452.	Words Within Two Edits of Dictionary	61.4%	Med.
2453.	Destroy Sequential Targets	40.9%	Med.
2454.	Next Greater Element IV	40.4%	Hard
2455.	Average Value of Even Numbers That Are Divisible by Three	62.0%	Easy
2456.	Most Popular Video Creator	44.6%	Med.
2457.	Minimum Addition to Make Integer Beautiful	38.2%	Med.
2458.	Height of Binary Tree After Subtree Removal Queries	54.9%	Hard
2459.	Sort Array by Moving Items to Empty Space	45.2%	Hard
2460.	Apply Operations to an Array	74.7%	Easy
2461.	Maximum Sum of Distinct Subarrays With Length K	42.7%	Med.
2462.	Total Cost to Hire K Workers	43.3%	Med.
2463.	Minimum Total Distance Traveled	59.0%	Hard
2464.	Minimum Subarrays in a Valid Split	54.7%	Med.
2465.	Number of Distinct Averages	58.6%	Easy
2466.	Count Ways To Build Good Strings	59.1%	Med.
2467.	Most Profitable Path in a Tree	67.5%	Med.
2468.	Split Message Based on Limit	42.3%	Hard
2469.	Convert the Temperature	90.2%	Easy
2470.	Number of Subarrays With LCM Equal to K	40.5%	Med.
2471.	Minimum Number of Operations to Sort a Binary Tree by Level	74.3%	Med.
2472.	Maximum Number of Non-overlapping Palindrome Substrings	42.0%	Hard
2473.	Minimum Cost to Buy Apples	67.0%	Med.
2474.	Customers With Strictly Increasing Purchases	48.5%	Hard
2475.	Number of Unequal Triplets in Array	72.8%	Easy
2476.	Closest Nodes Queries in a Binary Search Tree	43.2%	Med.
2477.	Minimum Fuel Cost to Report to the Capital	64.4%	Med.
2478.	Number of Beautiful Partitions	32.2%	Hard
2479.	Maximum XOR of Two Non-Overlapping Subtrees	50.1%	Hard
2480.	Form a Chemical Bond	79.7%	Easy
2481.	Minimum Cuts to Divide a Circle	55.4%	Easy
2482.	Difference Between Ones and Zeros in Row and Column	84.3%	Med.
2483.	Minimum Penalty for a Shop	67.7%	Med.
2484.	Count Palindromic Subsequences	39.7%	Hard
2485.	Find the Pivot Integer	83.8%	Easy
2486.	Append Characters to String to Make Subsequence	73.0%	Med.
2487.	Remove Nodes From Linked List	74.5%	Med.
2488.	Count Subarrays With Median K	46.2%	Hard
2489.	Number of Substrings With Fixed Ratio	56.5%	Med.
2490.	Circular Sentence	70.4%	Easy
2491.	Divide Players Into Teams of Equal Skill	68.9%	Med.
2492.	Minimum Score of a Path Between Two Cities	58.0%	Med.
2493.	Divide Nodes Into the Maximum Number of Groups	67.3%	Hard
2494.	Merge Overlapping Events in the Same Hall	35.7%	Hard
2495.	Number of Subarrays Having Even Product	61.8%	Med.
2496.	Maximum Value of a String in an Array	73.6%	Easy
2497.	Maximum Star Sum of a Graph	41.2%	Med.
2498.	Frog Jump II	62.3%	Med.
2499.	Minimum Total Cost to Make Arrays Unequal	40.8%	Hard
2500.	Delete Greatest Value in Each Row	79.3%	Easy
2501.	Longest Square Streak in an Array	53.1%	Med.
2502.	Design Memory Allocator	48.9%	Med.
2503.	Maximum Number of Points From Grid Queries	59.4%	Hard
2504.	Concatenate the Name and the Profession	79.6%	Easy
2505.	Bitwise OR of All Subsequence Sums	64.5%	Med.
2506.	Count Pairs Of Similar Strings	72.9%	Easy
2507.	Smallest Value After Replacing With Sum of Prime Factors	49.3%	Med.
2508.	Add Edges to Make Degrees of All Nodes Even	33.7%	Hard
2509.	Cycle Length Queries in a Tree	59.0%	Hard
2510.	Check if There is a Path With Equal Number of 0’s And 1’s	51.4%	Med.
2511.	Maximum Enemy Forts That Can Be Captured	40.4%	Easy
2512.	Reward Top K Students	46.3%	Med.
2513.	Minimize the Maximum of Two Arrays	31.4%	Med.
2514.	Count Anagrams	35.7%	Hard
2515.	Shortest Distance to Target String in a Circular Array	50.3%	Easy
2516.	Take K of Each Character From Left and Right	51.5%	Med.
2517.	Maximum Tastiness of Candy Basket	66.9%	Med.
2518.	Number of Great Partitions	32.7%	Hard
2519.	Count the Number of K-Big Indices	53.3%	Hard
2520.	Count the Digits That Divide a Number	85.8%	Easy
2521.	Distinct Prime Factors of Product of Array	53.3%	Med.
2522.	Partition String Into Substrings With Values at Most K	46.8%	Med.
2523.	Closest Prime Numbers in Range	51.5%	Med.
2524.	Maximum Frequency Score of a Subarray	35.3%	Hard
2525.	Categorize Box According to Criteria	37.9%	Easy
2526.	Find Consecutive Integers from a Data Stream	49.8%	Med.
2527.	Find Xor-Beauty of Array	69.7%	Med.
2528.	Maximize the Minimum Powered City	33.5%	Hard
2529.	Maximum Count of Positive Integer and Negative Integer	74.5%	Easy
2530.	Maximal Score After Applying K Operations	63.9%	Med.
2531.	Make Number of Distinct Characters Equal	27.2%	Med.
2532.	Time to Cross a Bridge	43.8%	Hard
2533.	Number of Good Binary Strings	52.3%	Med.
2534.	Time Taken to Cross the Door	49.6%	Hard
2535.	Difference Between Element Sum and Digit Sum of an Array	85.1%	Easy
2536.	Increment Submatrices by One	52.6%	Med.
2537.	Count the Number of Good Subarrays	66.0%	Med.
2538.	Difference Between Maximum and Minimum Price Sum	32.3%	Hard
2539.	Count the Number of Good Subsequences	49.4%	Med.
2540.	Minimum Common Value	58.1%	Easy
2541.	Minimum Operations to Make Array Equal II	32.6%	Med.
2542.	Maximum Subsequence Score	54.4%	Med.
2543.	Check if Point Is Reachable	43.9%	Hard
2544.	Alternating Digit Sum	68.4%	Easy
2545.	Sort the Students by Their Kth Score	85.8%	Med.
2546.	Apply Bitwise Operations to Make Strings Equal	41.9%	Med.
2547.	Minimum Cost to Split an Array	42.8%	Hard
2548.	Maximum Price to Fill a Bag	63.7%	Med.
2549.	Count Distinct Numbers on Board	61.5%	Easy
2550.	Count Collisions of Monkeys on a Polygon	29.1%	Med.
2551.	Put Marbles in Bags	72.3%	Hard
2552.	Count Increasing Quadruplets	34.0%	Hard
2553.	Separate the Digits in an Array	80.4%	Easy
2554.	Maximum Number of Integers to Choose From a Range I	67.9%	Med.
2555.	Maximize Win From Two Segments	36.0%	Med.
2556.	Disconnect Path in a Binary Matrix by at Most One Flip	27.4%	Med.
2557.	Maximum Number of Integers to Choose From a Range II	35.2%	Med.
2558.	Take Gifts From the Richest Pile	75.6%	Easy
2559.	Count Vowel Strings in Ranges	67.8%	Med.
2560.	House Robber IV	65.1%	Med.
2561.	Rearranging Fruits	57.7%	Hard
2562.	Find the Array Concatenation Value	71.2%	Easy
2563.	Count the Number of Fair Pairs	52.9%	Med.
2564.	Substring XOR Queries	34.9%	Med.
2565.	Subsequence With the Minimum Score	32.6%	Hard
2566.	Maximum Difference by Remapping a Digit	76.3%	Easy
2567.	Minimum Score by Changing Two Elements	49.2%	Med.
2568.	Minimum Impossible OR	58.0%	Med.
2569.	Handling Sum Queries After Update	29.6%	Hard
2570.	Merge Two 2D Arrays by Summing Values	81.9%	Easy
2571.	Minimum Operations to Reduce an Integer to 0	58.3%	Med.
2572.	Count the Number of Square-Free Subsets	25.5%	Med.
2573.	Find the String with LCP	31.8%	Hard
2574.	Left and Right Sum Differences	87.6%	Easy
2575.	Find the Divisibility Array of a String	34.9%	Med.
2576.	Find the Maximum Number of Marked Indices	40.4%	Med.
2577.	Minimum Time to Visit a Cell In a Grid	56.6%	Hard
2578.	Split With Minimum Sum	72.5%	Easy
2579.	Count Total Number of Colored Cells	66.2%	Med.
2580.	Count Ways to Group Overlapping Ranges	38.4%	Med.
2581.	Count Number of Possible Root Nodes	47.0%	Hard
2582.	Pass the Pillow	56.6%	Easy
2583.	Kth Largest Sum in a Binary Tree	59.2%	Med.
2584.	Split the Array to Make Coprime Products	28.2%	Hard
2585.	Number of Ways to Earn Points	58.8%	Hard
2586.	Count the Number of Vowel Strings in Range	73.7%	Easy
2587.	Rearrange Array to Maximize Prefix Score	41.8%	Med.
2588.	Count the Number of Beautiful Subarrays	52.4%	Med.
2589.	Minimum Time to Complete All Tasks	38.3%	Hard
2590.	Design a Todo List	58.8%	Med.
2591.	Distribute Money to Maximum Children	19.6%	Easy
2592.	Maximize Greatness of an Array	59.8%	Med.
2593.	Find Score of an Array After Marking All Elements	64.5%	Med.
2594.	Minimum Time to Repair Cars	59.8%	Med.
2595.	Number of Even and Odd Bits	72.9%	Easy
2596.	Check Knight Tour Configuration	58.8%	Med.
2597.	The Number of Beautiful Subsets	50.8%	Med.
2598.	Smallest Missing Non-negative Integer After Operations	40.1%	Med.
2599.	Make the Prefix Sum Non-negative	51.8%	Med.
2600.	K Items With the Maximum Sum	60.3%	Easy
2601.	Prime Subtraction Operation	55.6%	Med.
2602.	Minimum Operations to Make All Array Elements Equal	37.2%	Med.
2603.	Collect Coins in a Tree	38.0%	Hard
2604.	Minimum Time to Eat All Grains	39.9%	Hard
2605.	Form Smallest Number From Two Digit Arrays	54.5%	Easy
2606.	Find the Substring With Maximum Cost	57.2%	Med.
2607.	Make K-Subarray Sums Equal	37.1%	Med.
2608.	Shortest Cycle in a Graph	38.1%	Hard
2609.	Find the Longest Balanced Substring of a Binary String	45.7%	Easy
2610.	Convert an Array Into a 2D Array With Conditions	86.3%	Med.
2611.	Mice and Cheese	47.5%	Med.
2612.	Minimum Reverse Operations	15.5%	Hard
2613.	Beautiful Pairs	43.9%	Hard
2614.	Prime In Diagonal	36.6%	Easy
2615.	Sum of Distances	31.7%	Med.
2616.	Minimize the Maximum Difference of Pairs	50.9%	Med.
2617.	Minimum Number of Visited Cells in a Grid	23.0%	Hard
2618.	Check if Object Instance of Class	28.4%	Med.
2619.	Array Prototype Last	74.5%	Easy
2620.	Counter	82.2%	Easy
2621.	Sleep	87.5%	Easy
2622.	Cache With Time Limit	75.8%	Med.
2623.	Memoize	64.3%	Med.
2624.	Snail Traversal	67.7%	Med.
2625.	Flatten Deeply Nested Array	64.8%	Med.
2626.	Array Reduce Transformation	85.4%	Easy
2627.	Debounce	91.8%	Med.
2628.	JSON Deep Equal	39.2%	Med.
2629.	Function Composition	86.9%	Easy
2630.	Memoize II	37.6%	Hard
2631.	Group By	81.1%	Med.
2632.	Curry	89.5%	Med.
2633.	Convert Object to JSON String	78.0%	Med.
2634.	Filter Elements from Array	85.5%	Easy
2635.	Apply Transform Over Each Element in Array	86.2%	Easy
2636.	Promise Pool	79.8%	Med.
2637.	Promise Time Limit	82.9%	Med.
2638.	Count the Number of K-Free Subsets	46.9%	Med.
2639.	Find the Width of Columns of a Grid	69.6%	Easy
2640.	Find the Score of All Prefixes of an Array	72.2%	Med.
2641.	Cousins in Binary Tree II	75.5%	Med.
2642.	Design Graph With Shortest Path Calculator	64.3%	Hard
2643.	Row With Maximum Ones	74.2%	Easy
2644.	Find the Maximum Divisibility Score	50.7%	Easy
2645.	Minimum Additions to Make Valid String	50.5%	Med.
2646.	Minimize the Total Price of the Trips	46.6%	Hard
2647.	Color the Triangle Red	59.7%	Hard
2648.	Generate Fibonacci Sequence	83.5%	Easy
2649.	Nested Array Generator	79.9%	Med.
2650.	Design Cancellable Function	54.0%	Hard
2651.	Calculate Delayed Arrival Time	76.2%	Easy
2652.	Sum Multiples	85.5%	Easy
2653.	Sliding Subarray Beauty	34.7%	Med.
2654.	Minimum Number of Operations to Make All Array Elements Equal to 1	33.8%	Med.
2655.	Find Maximal Uncovered Ranges	49.5%	Med.
2656.	Maximum Sum With Exactly K Elements	80.0%	Easy
2657.	Find the Prefix Common Array of Two Arrays	87.0%	Med.
2658.	Maximum Number of Fish in a Grid	70.4%	Med.
2659.	Make Array Empty	25.8%	Hard
2660.	Determine the Winner of a Bowling Game	36.2%	Easy
2661.	First Completely Painted Row or Column	63.9%	Med.
2662.	Minimum Cost of a Path With Special Roads	41.1%	Med.
2663.	Lexicographically Smallest Beautiful String	37.4%	Hard
2664.	The Knight’s Tour	72.6%	Med.
2665.	Counter II	81.1%	Easy
2666.	Allow One Function Call	86.7%	Easy
2667.	Create Hello World Function	82.0%	Easy
2668.	Find Latest Salaries	74.9%	Easy
2669.	Count Artist Occurrences On Spotify Ranking List	74.3%	Easy
2670.	Find the Distinct Difference Array	76.4%	Easy
2671.	Frequency Tracker	30.1%	Med.
2672.	Number of Adjacent Elements With the Same Color	56.6%	Med.
2673.	Make Costs of Paths Equal in a Binary Tree	57.3%	Med.
2674.	Split a Circular Linked List	77.0%	Med.
2675.	Array of Objects to Matrix	68.7%	Hard
2676.	Throttle	83.2%	Med.
2677.	Chunk Array	84.5%	Easy
2678.	Number of Senior Citizens	81.3%	Easy
2679.	Sum in a Matrix	59.5%	Med.
2680.	Maximum OR	41.7%	Med.
2681.	Power of Heroes	30.2%	Hard
2682.	Find the Losers of the Circular Game	49.1%	Easy
2683.	Neighboring Bitwise XOR	79.8%	Med.
2684.	Maximum Number of Moves in a Grid	58.8%	Med.
2685.	Count the Number of Complete Components	77.7%	Med.
2686.	Immediate Food Delivery III	69.8%	Med.
2687.	Bikes Last Time Used	80.9%	Easy
2688.	Find Active Users	44.8%	Med.
2689.	Extract Kth Character From The Rope Tree	73.6%	Easy
2690.	Infinite Method Object	93.3%	Easy
2691.	Immutability Helper	40.9%	Hard
2692.	Make Object Immutable	62.7%	Med.
2693.	Call Function with Custom Context	78.5%	Med.
2694.	Event Emitter	74.5%	Med.
2695.	Array Wrapper	89.1%	Easy
2696.	Minimum String Length After Removing Substrings	77.1%	Easy
2697.	Lexicographically Smallest Palindrome	79.8%	Easy
2698.	Find the Punishment Number of an Integer	81.8%	Med.
2699.	Modify Graph Edge Weights	55.9%	Hard
2700.	Differences Between Two Objects	75.2%	Med.
2701.	Consecutive Transactions with Increasing Amounts	34.7%	Hard
2702.	Minimum Operations to Make Numbers Non-positive	42.4%	Hard
2703.	Return Length of Arguments Passed	94.5%	Easy
2704.	To Be Or Not To Be	63.0%	Easy
2705.	Compact Object	67.0%	Med.
2706.	Buy Two Chocolates	68.3%	Easy
2707.	Extra Characters in a String	57.1%	Med.
2708.	Maximum Strength of a Group	25.0%	Med.
2709.	Greatest Common Divisor Traversal	41.8%	Hard
2710.	Remove Trailing Zeros From a String	78.8%	Easy
2711.	Difference of Number of Distinct Values on Diagonals	68.0%	Med.
2712.	Minimum Cost to Make All Characters Equal	53.6%	Med.
2713.	Maximum Strictly Increasing Cells in a Matrix	30.8%	Hard
2714.	Find Shortest Path with K Hops	68.4%	Hard
2715.	Timeout Cancellation	89.6%	Easy
2716.	Minimize String Length	77.7%	Easy
2717.	Semi-Ordered Permutation	63.5%	Easy
2718.	Sum of Matrix After Queries	31.4%	Med.
2719.	Count of Integers	37.5%	Hard
2720.	Popularity Percentage	54.1%	Hard
2721.	Execute Asynchronous Functions in Parallel	77.9%	Med.
2722.	Join Two Arrays by ID	56.3%	Med.
2723.	Add Two Promises	91.8%	Easy
2724.	Sort By	83.2%	Easy
2725.	Interval Cancellation	84.2%	Easy
2726.	Calculator with Method Chaining	77.6%	Easy
2727.	Is Object Empty	81.5%	Easy
2728.	Count Houses in a Circular Street	85.5%	Easy
2729.	Check if The Number is Fascinating	52.5%	Easy
2730.	Find the Longest Semi-Repetitive Substring	37.6%	Med.
2731.	Movement of Robots	27.3%	Med.
2732.	Find a Good Subset of the Matrix	46.2%	Hard
2733.	Neither Minimum nor Maximum	76.1%	Easy
2734.	Lexicographically Smallest String After Substring Operation	32.9%	Med.
2735.	Collecting Chocolates	34.0%	Med.
2736.	Maximum Sum Queries	28.5%	Hard
2737.	Find the Closest Marked Node	65.1%	Med.
2738.	Count Occurrences in Text	55.1%	Med.
2739.	Total Distance Traveled	40.4%	Easy
2740.	Find the Value of the Partition	64.5%	Med.
2741.	Special Permutations	28.8%	Med.
2742.	Painting the Walls	48.7%	Hard
2743.	Count Substrings Without Repeating Character	76.2%	Med.
2744.	Find Maximum Number of String Pairs	81.8%	Easy
2745.	Construct the Longest New String	54.1%	Med.
2746.	Decremental String Concatenation	26.6%	Med.
2747.	Count Zero Request Servers	34.8%	Med.
2748.	Number of Beautiful Pairs	51.2%	Easy
2749.	Minimum Operations to Make the Integer Zero	30.5%	Med.
2750.	Ways to Split Array Into Good Subarrays	34.2%	Med.
2751.	Robot Collisions	56.1%	Hard
2752.	Customers with Maximum Number of Transactions on Consecutive Days	41.9%	Hard
2753.	Count Houses in a Circular Street II	61.6%	Hard
2754.	Bind Function to Context	86.9%	Med.
2755.	Deep Merge of Two Objects	64.8%	Med.
2756.	Query Batching	66.2%	Hard
2757.	Generate Circular Array Values	74.4%	Med.
2758.	Next Day	85.4%	Easy
2759.	Convert JSON String to Object	62.1%	Hard
2760.	Longest Even Odd Subarray With Threshold	30.7%	Easy
2761.	Prime Pairs With Target Sum	36.0%	Med.
2762.	Continuous Subarrays	58.0%	Med.
2763.	Sum of Imbalance Numbers of All Subarrays	42.5%	Hard
2764.	Is Array a Preorder of Some ‌Binary Tree	66.2%	Med.
2765.	Longest Alternating Subarray	34.7%	Easy
2766.	Relocate Marbles	50.5%	Med.
2767.	Partition String Into Minimum Beautiful Substrings	53.1%	Med.
2768.	Number of Black Blocks	39.3%	Med.
2769.	Find the Maximum Achievable Number	91.0%	Easy
2770.	Maximum Number of Jumps to Reach the Last Index	31.7%	Med.
2771.	Longest Non-decreasing Subarray From Two Arrays	30.2%	Med.
2772.	Apply Operations to Make All Array Elements Equal to Zero	32.8%	Med.
2773.	Height of Special Binary Tree	73.9%	Med.
2774.	Array Upper Bound	82.8%	Easy
2775.	Undefined to Null	71.5%	Med.
2776.	Convert Callback Based Function to Promise Based Function	91.1%	Med.
2777.	Date Range Generator	82.9%	Med.
2778.	Sum of Squares of Special Elements	81.3%	Easy
2779.	Maximum Beauty of an Array After Applying Operation	58.2%	Med.
2780.	Minimum Index of a Valid Split	75.5%	Med.
2781.	Length of the Longest Valid Substring	37.9%	Hard
2782.	Number of Unique Categories	82.8%	Med.
2783.	Flight Occupancy and Waitlist Analysis	38.5%	Med.
2784.	Check if Array is Good	48.5%	Easy
2785.	Sort Vowels in a String	79.5%	Med.
2786.	Visit Array Positions to Maximize Score	36.8%	Med.
2787.	Ways to Express an Integer as Sum of Powers	50.0%	Med.
2788.	Split Strings by Separator	75.3%	Easy
2789.	Largest Element in an Array after Merge Operations	47.0%	Med.
2790.	Maximum Number of Groups With Increasing Length	22.4%	Hard
2791.	Count Paths That Can Form a Palindrome in a Tree	45.9%	Hard
2792.	Count Nodes That Are Great Enough	56.9%	Hard
2793.	Status of Flight Tickets	79.0%	Hard
2794.	Create Object from Two Arrays	64.2%	Easy
2795.	Parallel Execution of Promises for Individual Results Retrieval	90.1%	Med.
2796.	Repeat String	93.3%	Easy
2797.	Partial Function with Placeholders	89.6%	Easy
2798.	Number of Employees Who Met the Target	87.6%	Easy
2799.	Count Complete Subarrays in an Array	75.8%	Med.
2800.	Shortest String That Contains Three Strings	31.0%	Med.
2801.	Count Stepping Numbers in Range	26.7%	Hard
2802.	Find The K-th Lucky Number	76.0%	Med.
2803.	Factorial Generator	85.9%	Easy
2804.	Array Prototype ForEach	89.7%	Easy
2805.	Custom Interval	83.4%	Med.
2806.	Account Balance After Rounded Purchase	55.3%	Easy
2807.	Insert Greatest Common Divisors in Linked List	91.5%	Med.
2808.	Minimum Seconds to Equalize a Circular Array	27.7%	Med.
2809.	Minimum Time to Make Array Sum At Most x	25.9%	Hard
2810.	Faulty Keyboard	79.2%	Easy
2811.	Check if it is Possible to Split Array	34.1%	Med.
2812.	Find the Safest Path in a Grid	48.4%	Med.
2813.	Maximum Elegance of a K-Length Subsequence	28.1%	Hard
2814.	Minimum Time Takes to Reach Destination Without Drowning	53.1%	Hard
2815.	Max Pair Sum in an Array	59.5%	Easy
2816.	Double a Number Represented as a Linked List	61.2%	Med.
2817.	Minimum Absolute Difference Between Elements With Constraint	34.7%	Med.
2818.	Apply Operations to Maximize Score	54.0%	Hard
2819.	Minimum Relative Loss After Buying Chocolates	43.4%	Hard
2820.	Election Results	68.7%	Med.
2821.	Delay the Resolution of Each Promise	73.6%	Med.
2822.	Inversion of Object	59.9%	Easy
2823.	Deep Object Filter	56.4%	Med.
2824.	Count Pairs Whose Sum is Less than Target	87.6%	Easy
2825.	Make String a Subsequence Using Cyclic Increments	65.6%	Med.
2826.	Sorting Three Groups	42.2%	Med.
2827.	Number of Beautiful Integers in the Range	20.3%	Hard
2828.	Check if a String Is an Acronym of Words	82.7%	Easy
2829.	Determine the Minimum Sum of a k-avoiding Array	60.2%	Med.
2830.	Maximize the Profit as the Salesman	37.5%	Med.
2831.	Find the Longest Equal Subarray	36.7%	Med.
2832.	Maximal Range That Each Element Is Maximum in It	75.3%	Med.
2833.	Furthest Point From Origin	64.7%	Easy
2834.	Find the Minimum Possible Sum of a Beautiful Array	35.7%	Med.
2835.	Minimum Operations to Form Subsequence With Target Sum	31.8%	Hard
2836.	Maximize Value of Function in a Ball Passing Game	29.4%	Hard
2837.	Total Traveled Distance	77.9%	Easy
2838.	Maximum Coins Heroes Can Collect	68.5%	Med.
2839.	Check if Strings Can be Made Equal With Operations I	47.3%	Easy
2840.	Check if Strings Can be Made Equal With Operations II	55.5%	Med.
2841.	Maximum Sum of Almost Unique Subarray	39.7%	Med.
2842.	Count K-Subsequences of a String With Maximum Beauty	29.8%	Hard
2843.	Count Symmetric Integers	83.1%	Easy
2844.	Minimum Operations to Make a Special Number	38.2%	Med.
2845.	Count of Interesting Subarrays	58.1%	Med.
2846.	Minimum Edge Weight Equilibrium Queries in a Tree	43.6%	Hard
2847.	Smallest Number With Given Digit Product	43.1%	Med.
2848.	Points That Intersect With Cars	73.0%	Easy
2849.	Determine if a Cell Is Reachable at a Given Time	37.1%	Med.
2850.	Minimum Moves to Spread Stones Over Grid	44.6%	Med.
2851.	String Transformation	25.5%	Hard
2852.	Sum of Remoteness of All Cells	70.9%	Med.
2853.	Highest Salaries Difference	74.3%	Easy
2854.	Rolling Average Steps	69.9%	Med.
2855.	Minimum Right Shifts to Sort the Array	56.9%	Easy
2856.	Minimum Array Length After Pair Removals	25.7%	Med.
2857.	Count Pairs of Points With Distance k	32.2%	Med.
2858.	Minimum Edge Reversals So Every Node Is Reachable	55.5%	Hard
2859.	Sum of Values at Indices With K Set Bits	85.8%	Easy
2860.	Happy Students	50.3%	Med.
2861.	Maximum Number of Alloys	39.3%	Med.
2862.	Maximum Element-Sum of a Complete Subset of Indices	41.9%	Hard
2863.	Maximum Length of Semi-Decreasing Subarrays	70.0%	Med.
2864.	Maximum Odd Binary Number	82.8%	Easy
2865.	Beautiful Towers I	43.6%	Med.
2866.	Beautiful Towers II	35.2%	Med.
2867.	Count Valid Paths in a Tree	35.1%	Hard
2868.	The Wording Game	54.4%	Hard
2869.	Minimum Operations to Collect Elements	61.4%	Easy
2870.	Minimum Number of Operations to Make Array Empty	61.9%	Med.
2871.	Split Array Into Maximum Number of Subarrays	41.7%	Med.
2872.	Maximum Number of K-Divisible Components	69.6%	Hard
2873.	Maximum Value of an Ordered Triplet I	58.2%	Easy
2874.	Maximum Value of an Ordered Triplet II	56.6%	Med.
2875.	Minimum Size Subarray in Infinite Array	31.4%	Med.
2876.	Count Visited Nodes in a Directed Graph	29.4%	Hard
2877.	Create a DataFrame from List	81.3%	Easy
2878.	Get the Size of a DataFrame	85.1%	Easy
2879.	Display the First Three Rows	93.1%	Easy
2880.	Select Data	79.1%	Easy
2881.	Create a New Column	90.3%	Easy
2882.	Drop Duplicate Rows	85.5%	Easy
2883.	Drop Missing Data	64.5%	Easy
2884.	Modify Columns	92.5%	Easy
2885.	Rename Columns	85.5%	Easy
2886.	Change Data Type	87.5%	Easy
2887.	Fill Missing Data	72.4%	Easy
2888.	Reshape Data: Concatenate	90.7%	Easy
2889.	Reshape Data: Pivot	83.5%	Easy
2890.	Reshape Data: Melt	86.2%	Easy
2891.	Method Chaining	76.5%	Easy
2892.	Minimizing Array After Replacing Pairs With Their Product	40.4%	Med.
2893.	Calculate Orders Within Each Interval	67.9%	Med.
2894.	Divisible and Non-divisible Sums Difference	91.2%	Easy
2895.	Minimum Processing Time	69.5%	Med.
2896.	Apply Operations to Make Two Strings Equal	27.3%	Med.
2897.	Apply Operations on Array to Maximize Sum of Squares	43.6%	Hard
2898.	Maximum Linear Stock Score	59.9%	Med.
2899.	Last Visited Integers	61.3%	Easy
2900.	Longest Unequal Adjacent Groups Subsequence I	67.3%	Easy
2901.	Longest Unequal Adjacent Groups Subsequence II	51.4%	Med.
2902.	Count of Sub-Multisets With Bounded Sum	20.8%	Hard
2903.	Find Indices With Index and Value Difference I	60.3%	Easy
2904.	Shortest and Lexicographically Smallest Beautiful String	40.1%	Med.
2905.	Find Indices With Index and Value Difference II	32.1%	Med.
2906.	Construct Product Matrix	31.3%	Med.
2907.	Maximum Profitable Triplets With Increasing Prices I	54.6%	Med.
2908.	Minimum Sum of Mountain Triplets I	66.3%	Easy
2909.	Minimum Sum of Mountain Triplets II	53.9%	Med.
2910.	Minimum Number of Groups to Create a Valid Assignment	24.1%	Med.
2911.	Minimum Changes to Make K Semi-palindromes	35.1%	Hard
2912.	Number of Ways to Reach Destination in the Grid	59.1%	Hard
2913.	Subarrays Distinct Element Sum of Squares I	79.8%	Easy
2914.	Minimum Number of Changes to Make Binary String Beautiful	76.4%	Med.
2915.	Length of the Longest Subsequence That Sums to Target	38.3%	Med.
2916.	Subarrays Distinct Element Sum of Squares II	21.2%	Hard
2917.	Find the K-or of an Array	72.3%	Easy
2918.	Minimum Equal Sum of Two Arrays After Replacing Zeros	50.2%	Med.
2919.	Minimum Increment Operations to Make Array Beautiful	34.1%	Med.
2920.	Maximum Points After Collecting Coins From All Nodes	35.8%	Hard
2921.	Maximum Profitable Triplets With Increasing Prices II	44.4%	Hard
2922.	Market Analysis III	42.0%	Med.
2923.	Find Champion I	72.7%	Easy
2924.	Find Champion II	70.1%	Med.
2925.	Maximum Score After Applying Operations on a Tree	46.5%	Med.
2926.	Maximum Balanced Subsequence Sum	25.1%	Hard
2927.	Distribute Candies Among Children III	57.4%	Hard
2928.	Distribute Candies Among Children I	75.3%	Easy
2929.	Distribute Candies Among Children II	55.9%	Med.
2930.	Number of Strings Which Can Be Rearranged to Contain Substring	55.8%	Med.
2931.	Maximum Spending After Buying Items	60.4%	Hard
2932.	Maximum Strong Pair XOR I	75.2%	Easy
2933.	High-Access Employees	46.5%	Med.
2934.	Minimum Operations to Maximize Last Elements in Arrays	43.3%	Med.
2935.	Maximum Strong Pair XOR II	31.2%	Hard
2936.	Number of Equal Numbers Blocks	62.3%	Med.
2937.	Make Three Strings Equal	43.6%	Easy
2938.	Separate Black and White Balls	64.0%	Med.
2939.	Maximum Xor Product	27.5%	Med.
2940.	Find Building Where Alice and Bob Can Meet	52.2%	Hard
2941.	Maximum GCD-Sum of a Subarray	36.6%	Hard
2942.	Find Words Containing Character	90.5%	Easy
2943.	Maximize Area of Square Hole in Grid	37.3%	Med.
2944.	Minimum Number of Coins for Fruits	47.4%	Med.
2945.	Find Maximum Non-decreasing Array Length	17.2%	Hard
2946.	Matrix Similarity After Cyclic Shifts	58.5%	Easy
2947.	Count Beautiful Substrings I	60.0%	Med.
2948.	Make Lexicographically Smallest Array by Swapping Elements	60.2%	Med.
2949.	Count Beautiful Substrings II	25.2%	Hard
2950.	Number of Divisible Substrings	73.3%	Med.
2951.	Find the Peaks	74.5%	Easy
2952.	Minimum Number of Coins to be Added	57.1%	Med.
2953.	Count Complete Substrings	29.0%	Hard
2954.	Count the Number of Infection Sequences	34.0%	Hard
2955.	Number of Same-End Substrings	61.4%	Med.
2956.	Find Common Elements Between Two Arrays	83.9%	Easy
2957.	Remove Adjacent Almost-Equal Characters	52.2%	Med.
2958.	Length of Longest Subarray With at Most K Frequency	56.0%	Med.
2959.	Number of Possible Sets of Closing Branches	49.1%	Hard
2960.	Count Tested Devices After Test Operations	78.5%	Easy
2961.	Double Modular Exponentiation	47.4%	Med.
2962.	Count Subarrays Where Max Element Appears at Least K Times	62.5%	Med.
2963.	Count the Number of Good Partitions	47.7%	Hard
2964.	Number of Divisible Triplet Sums	67.4%	Med.
2965.	Find Missing and Repeated Values	83.3%	Easy
2966.	Divide Array Into Arrays With Max Difference	78.7%	Med.
2967.	Minimum Cost to Make Array Equalindromic	22.7%	Med.
2968.	Apply Operations to Maximize Frequency Score	37.1%	Hard
2969.	Minimum Number of Coins for Fruits II	45.7%	Hard
2970.	Count the Number of Incremovable Subarrays I	55.3%	Easy
2971.	Find Polygon With the Largest Perimeter	65.4%	Med.
2972.	Count the Number of Incremovable Subarrays II	39.3%	Hard
2973.	Find Number of Coins to Place in Tree Nodes	36.7%	Hard
2974.	Minimum Number Game	85.0%	Easy
2975.	Maximum Square Area by Removing Fences From a Field	24.3%	Med.
2976.	Minimum Cost to Convert String I	57.5%	Med.
2977.	Minimum Cost to Convert String II	25.9%	Hard
2978.	Symmetric Coordinates	40.8%	Med.
2979.	Most Expensive Item That Can Not Be Bought	80.2%	Med.
2980.	Check if Bitwise OR Has Trailing Zeros	70.1%	Easy
2981.	Find Longest Special Substring That Occurs Thrice I	61.9%	Med.
2982.	Find Longest Special Substring That Occurs Thrice II	38.5%	Med.
2983.	Palindrome Rearrangement Queries	23.5%	Hard
2984.	Find Peak Calling Hours for Each City	62.1%	Med.
2985.	Calculate Compressed Mean	87.6%	Easy
2986.	Find Third Transaction	53.8%	Med.
2987.	Find Expensive Cities	78.6%	Easy
2988.	Manager of the Largest Department	80.9%	Med.
2989.	Class Performance	88.9%	Med.
2990.	Loan Types	64.1%	Easy
2991.	Top Three Wineries	56.3%	Hard
2992.	Number of Self-Divisible Permutations	71.7%	Med.
2993.	Friday Purchases I	81.2%	Med.
2994.	Friday Purchases II	76.6%	Hard
2995.	Viewers Turned Streamers	42.8%	Hard
2996.	Smallest Missing Integer Greater Than Sequential Prefix Sum	34.2%	Easy
2997.	Minimum Number of Operations to Make Array XOR Equal to K	85.4%	Med.
2998.	Minimum Number of Operations to Make X and Y Equal	47.8%	Med.
2999.	Count the Number of Powerful Integers	46.4%	Hard
3000.	Maximum Area of Longest Diagonal Rectangle	36.8%	Easy
3001.	Minimum Moves to Capture The Queen	21.6%	Med.
3002.	Maximum Size of a Set After Removals	45.2%	Med.
3003.	Maximize the Number of Partitions After Operations	27.8%	Hard
3004.	Maximum Subtree of the Same Color	57.6%	Med.
3005.	Count Elements With Maximum Frequency	77.9%	Easy
3006.	Find Beautiful Indices in the Given Array I	39.1%	Med.
3007.	Maximum Number That Sum of the Prices Is Less Than or Equal to K	37.4%	Med.
3008.	Find Beautiful Indices in the Given Array II	26.8%	Hard
3009.	Maximum Number of Intersections on the Chart	45.1%	Hard
3010.	Divide an Array Into Subarrays With Minimum Cost I	66.1%	Easy
3011.	Find if Array Can Be Sorted	66.5%	Med.
3012.	Minimize Length of Array Using Operations	35.1%	Med.
3013.	Divide an Array Into Subarrays With Minimum Cost II	30.6%	Hard
3014.	Minimum Number of Pushes to Type Word I	66.4%	Easy
3015.	Count the Number of Houses at a Certain Distance I	55.8%	Med.
3016.	Minimum Number of Pushes to Type Word II	79.9%	Med.
3017.	Count the Number of Houses at a Certain Distance II	22.3%	Hard
3018.	Maximum Number of Removal Queries That Can Be Processed I	43.6%	Hard
3019.	Number of Changing Keys	79.9%	Easy
3020.	Find the Maximum Number of Elements in Subset	26.4%	Med.
3021.	Alice and Bob Playing Flower Game	46.1%	Med.
3022.	Minimize OR of Remaining Elements Using Operations	28.8%	Hard
3023.	Find Pattern in Infinite Stream I	57.0%	Med.
3024.	Type of Triangle	44.5%	Easy
3025.	Find the Number of Ways to Place People I	41.1%	Med.
3026.	Maximum Good Subarray Sum	20.5%	Med.
3027.	Find the Number of Ways to Place People II	46.0%	Hard
3028.	Ant on the Boundary	74.0%	Easy
3029.	Minimum Time to Revert Word to Initial State I	41.6%	Med.
3030.	Find the Grid of Region Average	42.5%	Med.
3031.	Minimum Time to Revert Word to Initial State II	34.5%	Hard
3032.	Count Numbers With Unique Digits II	87.0%	Easy
3033.	Modify the Matrix	68.5%	Easy
3034.	Number of Subarrays That Match a Pattern I	67.4%	Med.
3035.	Maximum Palindromes After Operations	43.4%	Med.
3036.	Number of Subarrays That Match a Pattern II	32.5%	Hard
3037.	Find Pattern in Infinite Stream II	68.2%	Hard
3038.	Maximum Number of Operations With the Same Score I	52.2%	Easy
3039.	Apply Operations to Make String Empty	56.5%	Med.
3040.	Maximum Number of Operations With the Same Score II	33.3%	Med.
3041.	Maximize Consecutive Elements in an Array After Modification	32.9%	Hard
3042.	Count Prefix and Suffix Pairs I	77.7%	Easy
3043.	Find the Length of the Longest Common Prefix	56.5%	Med.
3044.	Most Frequent Prime	45.2%	Med.
3045.	Count Prefix and Suffix Pairs II	27.5%	Hard
3046.	Split the Array	59.8%	Easy
3047.	Find the Largest Area of Square Inside Two Rectangles	45.3%	Med.
3048.	Earliest Second to Mark Indices I	35.2%	Med.
3049.	Earliest Second to Mark Indices II	20.5%	Hard
3050.	Pizza Toppings Cost Analysis	67.5%	Med.
3051.	Find Candidates for Data Scientist Position	76.2%	Easy
3052.	Maximize Items	74.6%	Hard
3053.	Classifying Triangles by Lengths	50.5%	Easy
3054.	Binary Tree Nodes	78.8%	Med.
3055.	Top Percentile Fraud	58.5%	Med.
3056.	Snaps Analysis	58.4%	Med.
3057.	Employees Project Allocation	67.9%	Hard
3058.	Friends With No Mutual Friends	48.8%	Med.
3059.	Find All Unique Email Domains	70.6%	Easy
3060.	User Activities within Time Bounds	40.1%	Hard
3061.	Calculate Trapping Rain Water	81.7%	Hard
3062.	Winner of the Linked List Game	78.1%	Easy
3063.	Linked List Frequency	85.4%	Easy
3064.	Guess the Number Using Bitwise Questions I	89.5%	Med.
3065.	Minimum Operations to Exceed Threshold Value I	86.2%	Easy
3066.	Minimum Operations to Exceed Threshold Value II	45.8%	Med.
3067.	Count Pairs of Connectable Servers in a Weighted Tree Network	54.6%	Med.
3068.	Find the Maximum Sum of Node Values	69.7%	Hard
3069.	Distribute Elements Into Two Arrays I	73.3%	Easy
3070.	Count Submatrices with Top-Left Element and Sum Less Than k	57.5%	Med.
3071.	Minimum Operations to Write the Letter Y on a Grid	62.6%	Med.
3072.	Distribute Elements Into Two Arrays II	29.6%	Hard
3073.	Maximum Increasing Triplet Value	35.7%	Med.
3074.	Apple Redistribution into Boxes	68.5%	Easy
3075.	Maximize Happiness of Selected Children	54.9%	Med.
3076.	Shortest Uncommon Substring in an Array	48.8%	Med.
3077.	Maximum Strength of K Disjoint Subarrays	27.0%	Hard
3078.	Match Alphanumerical Pattern in Matrix I	64.2%	Med.
3079.	Find the Sum of Encrypted Integers	74.0%	Easy
3080.	Mark Elements on Array by Performing Queries	48.0%	Med.
3081.	Replace Question Marks in String to Minimize Its Value	28.2%	Med.
3082.	Find the Sum of the Power of All Subsequences	37.0%	Hard
3083.	Existence of a Substring in a String and Its Reverse	65.9%	Easy
3084.	Count Substrings Starting and Ending with Given Character	49.2%	Med.
3085.	Minimum Deletions to Make String K-Special	67.1%	Med.
3086.	Minimum Moves to Pick K Ones	20.7%	Hard
3087.	Find Trending Hashtags	61.2%	Med.
3088.	Make String Anti-palindrome	43.4%	Hard
3089.	Find Bursty Behavior	37.6%	Med.
3090.	Maximum Length Substring With Two Occurrences	64.1%	Easy
3091.	Apply Operations to Make Sum of Array Greater Than or Equal to k	43.6%	Med.
3092.	Most Frequent IDs	41.8%	Med.
3093.	Longest Common Suffix Queries	36.2%	Hard
3094.	Guess the Number Using Bitwise Questions II	82.9%	Med.
3095.	Shortest Subarray With OR at Least K I	43.2%	Easy
3096.	Minimum Levels to Gain More Points	39.4%	Med.
3097.	Shortest Subarray With OR at Least K II	50.2%	Med.
3098.	Find the Sum of Subsequence Powers	23.8%	Hard
3099.	Harshad Number	83.2%	Easy
3100.	Water Bottles II	62.4%	Med.
3101.	Count Alternating Subarrays	56.6%	Med.
3102.	Minimize Manhattan Distances	31.9%	Hard
3103.	Find Trending Hashtags II	67.3%	Hard
3104.	Find Longest Self-Contained Substring	58.4%	Hard
3105.	Longest Strictly Increasing or Strictly Decreasing Subarray	65.0%	Easy
3106.	Lexicographically Smallest String After Operations With Constraint	62.5%	Med.
3107.	Minimum Operations to Make Median of Array Equal to K	47.0%	Med.
3108.	Minimum Cost Walk in Weighted Graph	68.4%	Hard
3109.	Find the Index of Permutation	35.9%	Med.
3110.	Score of a String	91.7%	Easy
3111.	Minimum Rectangles to Cover Points	62.7%	Med.
3112.	Minimum Time to Visit Disappearing Nodes	36.2%	Med.
3113.	Find the Number of Subarrays Where Boundary Elements Are Maximum	31.5%	Hard
3114.	Latest Time You Can Obtain After Replacing Characters	34.6%	Easy
3115.	Maximum Prime Difference	57.7%	Med.
3116.	Kth Smallest Amount With Single Denomination Combination	18.8%	Hard
3117.	Minimum Sum of Values by Dividing Array	27.2%	Hard
3118.	Friday Purchase III	56.6%	Med.
3119.	Maximum Number of Potholes That Can Be Fixed	53.2%	Med.
3120.	Count the Number of Special Characters I	65.8%	Easy
3121.	Count the Number of Special Characters II	42.4%	Med.
3122.	Minimum Number of Operations to Satisfy Conditions	41.0%	Med.
3123.	Find Edges in Shortest Paths	45.8%	Hard
3124.	Find Longest Calls	63.6%	Med.
3125.	Maximum Number That Makes Result of Bitwise AND Zero	69.5%	Med.
3126.	Server Utilization Time	62.4%	Med.
3127.	Make a Square with the Same Color	52.2%	Easy
3128.	Right Triangles	47.5%	Med.
3129.	Find All Possible Stable Binary Arrays I	26.4%	Med.
3130.	Find All Possible Stable Binary Arrays II	26.3%	Hard
3131.	Find the Integer Added to Array I	82.3%	Easy
3132.	Find the Integer Added to Array II	32.2%	Med.
3133.	Minimum Array End	55.5%	Med.
3134.	Find the Median of the Uniqueness Array	28.9%	Hard
3135.	Equalize Strings by Adding or Removing Characters at Ends	55.8%	Med.
3136.	Valid Word	50.9%	Easy
3137.	Minimum Number of Operations to Make Word K-Periodic	60.0%	Med.
3138.	Minimum Length of Anagram Concatenation	39.8%	Med.
3139.	Minimum Cost to Equalize Array	17.8%	Hard
3140.	Consecutive Available Seats II	56.3%	Med.
3141.	Maximum Hamming Distances	47.3%	Hard
3142.	Check if Grid Satisfies Conditions	44.1%	Easy
3143.	Maximum Points Inside the Square	38.5%	Med.
3144.	Minimum Substring Partition of Equal Character Frequency	39.3%	Med.
3145.	Find Products of Elements of Big Array	22.2%	Hard
3146.	Permutation Difference between Two Strings	87.4%	Easy
3147.	Taking Maximum Energy From the Mystic Dungeon	41.4%	Med.
3148.	Maximum Difference Score in a Grid	47.0%	Med.
3149.	Find the Minimum Cost Array Permutation	24.1%	Hard
3150.	Invalid Tweets II	86.3%	Easy
3151.	Special Array I	81.6%	Easy
3152.	Special Array II	45.7%	Med.
3153.	Sum of Digit Differences of All Pairs	42.7%	Med.
3154.	Find Number of Ways to Reach the K-th Stair	36.6%	Hard
3155.	Maximum Number of Upgradable Servers	41.5%	Med.
3156.	Employee Task Duration and Concurrent Tasks	41.6%	Hard
3157.	Find the Level of Tree with Minimum Sum	68.8%	Med.
3158.	Find the XOR of Numbers Which Appear Twice	78.0%	Easy
3159.	Find Occurrences of an Element in an Array	72.9%	Med.
3160.	Find the Number of Distinct Colors Among the Balls	54.2%	Med.
3161.	Block Placement Queries	17.4%	Hard
3162.	Find the Number of Good Pairs I	85.9%	Easy
3163.	String Compression III	66.9%	Med.
3164.	Find the Number of Good Pairs II	26.2%	Med.
3165.	Maximum Sum of Subsequence With Non-adjacent Elements	14.9%	Hard
3166.	Calculate Parking Fees and Duration	52.7%	Med.
3167.	Better Compression of String	75.8%	Med.
3168.	Minimum Number of Chairs in a Waiting Room	78.6%	Easy
3169.	Count Days Without Meetings	47.9%	Med.
3170.	Lexicographically Minimum String After Removing Stars	50.9%	Med.
3171.	Find Subarray With Bitwise OR Closest to K	30.1%	Hard
3172.	Second Day Verification	67.6%	Easy
3173.	Bitwise OR of Adjacent Elements	95.1%	Easy
3174.	Clear Digits	82.6%	Easy
3175.	Find The First Player to win K Games in a Row	39.6%	Med.
3176.	Find the Maximum Length of a Good Subsequence I	31.8%	Med.
3177.	Find the Maximum Length of a Good Subsequence II	24.1%	Hard
3178.	Find the Child Who Has the Ball After K Seconds	61.7%	Easy
3179.	Find the N-th Value After K Seconds	53.6%	Med.
3180.	Maximum Total Reward Using Operations I	30.2%	Med.
3181.	Maximum Total Reward Using Operations II	20.8%	Hard
3182.	Find Top Scoring Students	49.2%	Med.
3183.	The Number of Ways to Make the Sum	50.9%	Med.
3184.	Count Pairs That Form a Complete Day I	77.7%	Easy
3185.	Count Pairs That Form a Complete Day II	43.2%	Med.
3186.	Maximum Total Damage With Spell Casting	28.1%	Med.
3187.	Peaks in Array	26.2%	Hard
3188.	Find Top Scoring Students II	39.8%	Hard
3189.	Minimum Moves to Get a Peaceful Board	75.9%	Med.
3190.	Find Minimum Operations to Make All Elements Divisible by Three	88.9%	Easy
3191.	Minimum Operations to Make Binary Array Elements Equal to One I	80.5%	Med.
3192.	Minimum Operations to Make Binary Array Elements Equal to One II	64.3%	Med.
3193.	Count the Number of Inversions	28.3%	Hard
3194.	Minimum Average of Smallest and Largest Elements	85.0%	Easy
3195.	Find the Minimum Area to Cover All Ones I	77.8%	Med.
3196.	Maximize Total Cost of Alternating Subarrays	29.0%	Med.
3197.	Find the Minimum Area to Cover All Ones II	63.8%	Hard
3198.	Find Cities in Each State	81.7%	Easy
3199.	Count Triplets with Even XOR Set Bits I	82.9%	Easy
3200.	Maximum Height of a Triangle	43.6%	Easy
3201.	Find the Maximum Length of Valid Subsequence I	54.8%	Med.
3202.	Find the Maximum Length of Valid Subsequence II	57.3%	Med.
3203.	Find Minimum Diameter After Merging Two Trees	57.2%	Hard
3204.	Bitwise User Permissions Analysis	94.0%	Med.
3205.	Maximum Array Hopping Score I	77.7%	Med.
3206.	Alternating Groups I	68.0%	Easy
3207.	Maximum Points After Enemy Battles	32.6%	Med.
3208.	Alternating Groups II	59.8%	Med.
3209.	Number of Subarrays With AND Value of K	34.2%	Hard
3210.	Find the Encrypted String	68.0%	Easy
3211.	Generate Binary Strings Without Adjacent Zeros	87.6%	Med.
3212.	Count Submatrices With Equal Frequency of X and Y	50.9%	Med.
3213.	Construct String with Minimum Cost	19.1%	Hard
3214.	Year on Year Growth Rate	51.1%	Hard
3215.	Count Triplets with Even XOR Set Bits II	59.5%	Med.
3216.	Lexicographically Smallest String After a Swap	53.9%	Easy
3217.	Delete Nodes From Linked List Present in Array	67.5%	Med.
3218.	Minimum Cost for Cutting Cake I	57.9%	Med.
3219.	Minimum Cost for Cutting Cake II	54.8%	Hard
3220.	Odd and Even Transactions	68.5%	Med.
3221.	Maximum Array Hopping Score II	58.0%	Med.
3222.	Find the Winning Player in Coin Game	52.1%	Easy
3223.	Minimum Length of String After Operations	75.0%	Med.
3224.	Minimum Array Changes to Make Differences Equal	23.5%	Med.
3225.	Maximum Score From Grid Operations	24.9%	Hard
3226.	Number of Bit Changes to Make Two Integers Equal	62.9%	Easy
3227.	Vowels Game in a String	62.6%	Med.
3228.	Maximum Number of Operations to Move Ones to the End	53.1%	Med.
3229.	Minimum Operations to Make Array Equal to Target	39.0%	Hard
3230.	Customer Purchasing Behavior Analysis	36.9%	Med.
3231.	Minimum Number of Increasing Subsequence to Be Removed	44.3%	Hard
3232.	Find if Digit Game Can Be Won	81.3%	Easy
3233.	Find the Count of Numbers Which Are Not Special	27.1%	Med.
3234.	Count the Number of Substrings With Dominant Ones	17.4%	Med.
3235.	Check if the Rectangle Corner Is Reachable	25.6%	Hard
3236.	CEO Subordinate Hierarchy	73.3%	Hard
3237.	Alt and Tab Simulation	49.5%	Med.
3238.	Find the Number of Winning Players	60.0%	Easy
3239.	Minimum Number of Flips to Make Binary Grid Palindromic I	74.4%	Med.
3240.	Minimum Number of Flips to Make Binary Grid Palindromic II	24.9%	Med.
3241.	Time Taken to Mark All Nodes	25.6%	Hard
3242.	Design Neighbor Sum Service	75.9%	Easy
3243.	Shortest Distance After Road Addition Queries I	61.8%	Med.
3244.	Shortest Distance After Road Addition Queries II	25.8%	Hard
3245.	Alternating Groups III	15.7%	Hard
3246.	Premier League Table Ranking	81.6%	Easy
3247.	Number of Subsequences with Odd Sum	46.9%	Med.
3248.	Snake in Matrix	81.8%	Easy
3249.	Count the Number of Good Nodes	54.8%	Med.
3250.	Find the Count of Monotonic Pairs I	46.8%	Hard
3251.	Find the Count of Monotonic Pairs II	23.3%	Hard
3252.	Premier League Table Ranking II	57.5%	Med.
3253.	Construct String with Minimum Cost (Easy)	59.1%	Med.
3254.	Find the Power of K-Size Subarrays I	62.4%	Med.
3255.	Find the Power of K-Size Subarrays II	30.7%	Med.
3256.	Maximum Value Sum by Placing Three Rooks I	15.4%	Hard
3257.	Maximum Value Sum by Placing Three Rooks II	26.5%	Hard
3258.	Count Substrings That Satisfy K-Constraint I	78.2%	Easy
3259.	Maximum Energy Boost From Two Drinks	49.5%	Med.
3260.	Find the Largest Palindrome Divisible by K	15.6%	Hard
3261.	Count Substrings That Satisfy K-Constraint II	22.0%	Hard
3262.	Find Overlapping Shifts	59.7%	Med.
3263.	Convert Doubly Linked List to Array I	94.7%	Easy
3264.	Final Array State After K Multiplication Operations I	87.0%	Easy
3265.	Count Almost Equal Pairs I	37.7%	Med.
3266.	Final Array State After K Multiplication Operations II	11.9%	Hard
3267.	Count Almost Equal Pairs II	26.7%	Hard
3268.	Find Overlapping Shifts II	59.4%	Hard
3269.	Constructing Two Increasing Arrays	61.1%	Hard
3270.	Find the Key of the Numbers	76.0%	Easy
3271.	Hash Divided String	83.0%	Med.
3272.	Find the Count of Good Integers	69.6%	Hard
3273.	Minimum Amount of Damage Dealt to Bob	38.5%	Hard
3274.	Check if Two Chessboard Squares Have the Same Color	72.0%	Easy
3275.	K-th Nearest Obstacle Queries	48.4%	Med.
3276.	Select Cells in Grid With Maximum Score	14.6%	Hard
3277.	Maximum XOR Score Subarray Queries	42.6%	Hard
3278.	Find Candidates for Data Scientist Position II	43.0%	Med.
3279.	Maximum Total Area Occupied by Pistons	52.6%	Hard
3280.	Convert Date to Binary	88.4%	Easy
3281.	Maximize Score of Numbers in Ranges	34.9%	Med.
3282.	Reach End of Array With Max Score	32.7%	Med.
3283.	Maximum Number of Moves to Kill All Pawns	32.6%	Hard
3284.	Sum of Consecutive Subarrays	42.2%	Med.
3285.	Find Indices of Stable Mountains	86.2%	Easy
3286.	Find a Safe Walk Through a Grid	31.2%	Med.
3287.	Find the Maximum Sequence Value of Array	19.3%	Hard
3288.	Length of the Longest Increasing Path	17.3%	Hard
3289.	The Two Sneaky Numbers of Digitville	88.4%	Easy
3290.	Maximum Multiplication Score	41.0%	Med.
3291.	Minimum Number of Valid Strings to Form Target I	20.4%	Med.
3292.	Minimum Number of Valid Strings to Form Target II	18.5%	Hard
3293.	Calculate Product Final Price	79.2%	Med.
3294.	Convert Doubly Linked List to Array II	81.3%	Med.
3295.	Report Spam Message	47.9%	Med.
3296.	Minimum Number of Seconds to Make Mountain Height Zero	36.2%	Med.
3297.	Count Substrings That Can Be Rearranged to Contain a String I	41.8%	Med.
3298.	Count Substrings That Can Be Rearranged to Contain a String II	55.5%	Hard
3299.	Sum of Consecutive Subsequences	41.3%	Hard
3300.	Minimum Element After Replacement With Digit Sum	83.9%	Easy
3301.	Maximize the Total Height of Unique Towers	36.7%	Med.
3302.	Find the Lexicographically Smallest Valid Sequence	20.7%	Med.
3303.	Find the Occurrence of First Almost Equal Substring	14.2%	Hard
3304.	Find the K-th Character in String Game I	81.8%	Easy
3305.	Count of Substrings Containing Every Vowel and K Consonants I	41.4%	Med.
3306.	Count of Substrings Containing Every Vowel and K Consonants II	40.6%	Med.
3307.	Find the K-th Character in String Game II	48.7%	Hard
3308.	Find Top Performing Driver	48.8%	Med.
3309.	Maximum Possible Number by Binary Concatenation	65.1%	Med.
3310.	Remove Methods From Project	49.6%	Med.
3311.	Construct 2D Grid Matching Graph Layout	28.3%	Hard
3312.	Sorted GCD Pair Queries	20.2%	Hard
3313.	Find the Last Marked Nodes in Tree	53.1%	Hard
3314.	Construct the Minimum Bitwise Array I	74.2%	Easy
3315.	Construct the Minimum Bitwise Array II	35.1%	Med.
3316.	Find Maximum Removals From Source String	38.4%	Med.
3317.	Find the Number of Possible Ways for an Event	33.7%	Hard
3318.	Find X-Sum of All K-Long Subarrays I	63.8%	Easy
3319.	K-th Largest Perfect Subtree Size in Binary Tree	61.2%	Med.
3320.	Count The Number of Winning Sequences	31.4%	Hard
3321.	Find X-Sum of All K-Long Subarrays II	16.3%	Hard
3322.	Premier League Table Ranking III	70.0%	Med.
3323.	Minimize Connected Groups by Inserting Interval	50.4%	Med.
3324.	Find the Sequence of Strings Appeared on the Screen	79.6%	Med.
3325.	Count Substrings With K-Frequency Characters I	54.8%	Med.
3326.	Minimum Division Operations to Make Array Non Decreasing	28.7%	Med.
3327.	Check if DFS Strings Are Palindromes	18.3%	Hard
3328.	Find Cities in Each State II	68.4%	Med.
3329.	Count Substrings With K-Frequency Characters II	69.1%	Hard
3330.	Find the Original Typed String I	72.0%	Easy
3331.	Find Subtree Sizes After Changes	54.1%	Med.
3332.	Maximum Points Tourist Can Earn	46.7%	Med.
3333.	Find the Original Typed String II	46.0%	Hard
3334.	Find the Maximum Factor Score of Array	40.6%	Med.
3335.	Total Characters in String After Transformations I	45.8%	Med.
3336.	Find the Number of Subsequences With Equal GCD	29.3%	Hard
3337.	Total Characters in String After Transformations II	58.2%	Hard
3338.	Second Highest Salary II	87.3%	Med.
3339.	Find the Number of K-Even Arrays	58.4%	Med.
3340.	Check Balanced String	81.3%	Easy
3341.	Find Minimum Time to Reach Last Room I	55.6%	Med.
3342.	Find Minimum Time to Reach Last Room II	68.3%	Med.
3343.	Count Number of Balanced Permutations	49.3%	Hard
3344.	Maximum Sized Array	51.4%	Med.
3345.	Smallest Divisible Digit Product I	63.9%	Easy
3346.	Maximum Frequency of an Element After Performing Operations I	21.3%	Med.
3347.	Maximum Frequency of an Element After Performing Operations II	37.1%	Hard
3348.	Smallest Divisible Digit Product II	11.2%	Hard
3349.	Adjacent Increasing Subarrays Detection I	42.9%	Easy
3350.	Adjacent Increasing Subarrays Detection II	41.3%	Med.
3351.	Sum of Good Subsequences	30.1%	Hard
3352.	Count K-Reducible Numbers Less Than N	25.7%	Hard
3353.	Minimum Total Operations	62.9%	Easy
3354.	Make Array Elements Equal to Zero	55.7%	Easy
3355.	Zero Array Transformation I	54.4%	Med.
3356.	Zero Array Transformation II	43.6%	Med.
3357.	Minimize the Maximum Adjacent Element Difference	16.4%	Hard
3358.	Books with NULL Ratings	85.5%	Easy
3359.	Find Sorted Submatrices With Maximum Element at Most K	49.6%	Hard
3360.	Stone Removal Game	41.8%	Easy
3361.	Shift Distance Between Two Strings	52.9%	Med.
3362.	Zero Array Transformation III	55.1%	Med.
3363.	Find the Maximum Number of Fruits Collected	65.4%	Hard
3364.	Minimum Positive Sum Subarray	44.5%	Easy
3365.	Rearrange K Substrings to Form Target String	56.3%	Med.
3366.	Minimum Array Sum	29.9%	Med.
3367.	Maximize Sum of Weights after Edge Removals	29.1%	Hard
3368.	First Letter Capitalization	86.6%	Hard
3369.	Design an Array Statistics Tracker	34.5%	Hard
3370.	Smallest Number With All Set Bits	75.9%	Easy
3371.	Identify the Largest Outlier in an Array	35.9%	Med.
3372.	Maximize the Number of Target Nodes After Connecting Trees I	69.6%	Med.
3373.	Maximize the Number of Target Nodes After Connecting Trees II	73.1%	Hard
3374.	First Letter Capitalization II	68.6%	Hard
3375.	Minimum Operations to Make Array Values Equal to K	73.4%	Easy
3376.	Minimum Time to Break Locks I	30.9%	Med.
3377.	Digit Operations to Make Two Integers Equal	28.2%	Med.
3378.	Count Connected Components in LCM Graph	29.2%	Hard
3379.	Transformed Array	56.7%	Easy
3380.	Maximum Area Rectangle With Point Constraints I	50.2%	Med.
3381.	Maximum Subarray Sum With Length Divisible by K	27.4%	Med.
3382.	Maximum Area Rectangle With Point Constraints II	20.3%	Hard
3383.	Minimum Runes to Add to Cast Spell	42.6%	Hard
3384.	Team Dominance by Pass Success	74.8%	Hard
3385.	Minimum Time to Break Locks II	43.2%	Hard
3386.	Button with Longest Push Time	40.7%	Easy
3387.	Maximize Amount After Two Days of Conversions	59.6%	Med.
3388.	Count Beautiful Splits in an Array	16.2%	Med.
3389.	Minimum Operations to Make Character Frequencies Equal	25.2%	Hard
3390.	Longest Team Pass Streak	41.3%	Hard
3391.	Design a 3D Binary Matrix with Efficient Layer Tracking	68.4%	Med.
3392.	Count Subarrays of Length Three With a Condition	61.8%	Easy
3393.	Count Paths With the Given XOR Value	39.9%	Med.
3394.	Check if Grid can be Cut into Sections	68.3%	Med.
3395.	Subsequences with a Unique Middle Mode I	17.9%	Hard
3396.	Minimum Number of Operations to Make Elements in Array Distinct	71.5%	Easy
3397.	Maximum Number of Distinct Elements After Operations	31.4%	Med.
3398.	Smallest Substring With Identical Characters I	19.5%	Hard
3399.	Smallest Substring With Identical Characters II	39.9%	Hard
3400.	Maximum Number of Matching Indices After Right Shifts	83.6%	Med.
3401.	Find Circular Gift Exchange Chains	54.1%	Hard
3402.	Minimum Operations to Make Columns Strictly Increasing	72.1%	Easy
3403.	Find the Lexicographically Largest String From the Box I	41.0%	Med.
3404.	Count Special Subsequences	29.1%	Med.
3405.	Count the Number of Arrays with K Matching Adjacent Elements	58.4%	Hard
3406.	Find the Lexicographically Largest String From the Box II	47.7%	Hard
3407.	Substring Matching Pattern	27.4%	Easy
3408.	Design Task Manager	34.4%	Med.
3409.	Longest Subsequence With Decreasing Adjacent Difference	15.0%	Med.
3410.	Maximize Subarray Sum After Removing All Occurrences of One Element	20.4%	Hard
3411.	Maximum Subarray With Equal Products	45.5%	Easy
3412.	Find Mirror Score of a String	34.4%	Med.
3413.	Maximum Coins From K Consecutive Bags	23.7%	Med.
3414.	Maximum Score of Non-overlapping Intervals	30.4%	Hard
3415.	Find Products with Three Consecutive Digits	81.9%	Easy
3416.	Subsequences with a Unique Middle Mode II	45.4%	Hard
3417.	Zigzag Grid Traversal With Skip	63.9%	Easy
3418.	Maximum Amount of Money Robot Can Earn	28.9%	Med.
3419.	Minimize the Maximum Edge Weight of Graph	43.1%	Med.
3420.	Count Non-Decreasing Subarrays After K Operations	21.8%	Hard
3421.	Find Students Who Improved	47.0%	Med.
3422.	Minimum Operations to Make Subarray Elements Equal	46.1%	Med.
3423.	Maximum Difference Between Adjacent Elements in a Circular Array	75.9%	Easy
3424.	Minimum Cost to Make Arrays Identical	37.0%	Med.
3425.	Longest Special Path	20.4%	Hard
3426.	Manhattan Distances of All Arrangements of Pieces	33.4%	Hard
3427.	Sum of Variable Length Subarrays	85.3%	Easy
3428.	Maximum and Minimum Sums of at Most Size K Subsequences	20.6%	Med.
3429.	Paint House IV	44.1%	Med.
3430.	Maximum and Minimum Sums of at Most Size K Subarrays	22.6%	Hard
3431.	Minimum Unlocked Indices to Sort Nums	59.9%	Med.
3432.	Count Partitions with Even Sum Difference	73.5%	Easy
3433.	Count Mentions Per User	30.2%	Med.
3434.	Maximum Frequency After Subarray Operation	29.2%	Med.
3435.	Frequencies of Shortest Supersequences	16.6%	Hard
3436.	Find Valid Emails	50.6%	Easy
3437.	Permutations III	86.4%	Med.
3438.	Find Valid Pair of Adjacent Digits in String	59.9%	Easy
3439.	Reschedule Meetings for Maximum Free Time I	53.9%	Med.
3440.	Reschedule Meetings for Maximum Free Time II	60.5%	Med.
3441.	Minimum Cost Good Caption	19.4%	Hard
3442.	Maximum Difference Between Even and Odd Frequency I	61.1%	Easy
3443.	Maximum Manhattan Distance After K Changes	54.1%	Med.
3444.	Minimum Increments for Target Multiples in an Array	25.8%	Hard
3445.	Maximum Difference Between Even and Odd Frequency II	49.0%	Hard
3446.	Sort Matrix by Diagonals	70.9%	Med.
3447.	Assign Elements to Groups with Constraints	26.1%	Med.
3448.	Count Substrings Divisible By Last Digit	21.3%	Hard
3449.	Maximize the Minimum Game Score	25.0%	Hard
3450.	Maximum Students on a Single Bench	87.0%	Easy
3451.	Find Invalid IP Addresses	53.8%	Hard
3452.	Sum of Good Numbers	69.3%	Easy
3453.	Separate Squares I	38.8%	Med.
3454.	Separate Squares II	19.9%	Hard
3455.	Shortest Matching Substring	22.3%	Hard
3456.	Find Special Substring of Length K	35.1%	Easy
3457.	Eat Pizzas!	32.4%	Med.
3458.	Select K Disjoint Special Substrings	18.1%	Med.
3459.	Length of Longest V-Shaped Diagonal Segment	34.2%	Hard
3460.	Longest Common Prefix After at Most One Removal	67.8%	Med.
3461.	Check If Digits Are Equal in String After Operations I	77.6%	Easy
3462.	Maximum Sum With at Most K Elements	60.0%	Med.
3463.	Check If Digits Are Equal in String After Operations II	11.2%	Hard
3464.	Maximize the Distance Between Points on a Square	19.6%	Hard
3465.	Find Products with Valid Serial Numbers	40.0%	Easy
3466.	Maximum Coin Collection	53.0%	Med.
3467.	Transform Array by Parity	89.6%	Easy
3468.	Find the Number of Copy Arrays	46.1%	Med.
3469.	Find Minimum Cost to Remove Array Elements	19.8%	Med.
3470.	Permutations IV	28.5%	Hard
3471.	Find the Largest Almost Missing Integer	36.8%	Easy
3472.	Longest Palindromic Subsequence After at Most K Operations	36.7%	Med.
3473.	Sum of K Subarrays With Length at Least M	25.1%	Med.
3474.	Lexicographically Smallest Generated String	30.2%	Hard
3475.	DNA Pattern Recognition	85.2%	Med.
3476.	Maximize Profit from Task Assignment	67.0%	Med.
3477.	Fruits Into Baskets II	70.3%	Easy
3478.	Choose K Elements With Maximum Sum	32.0%	Med.
3479.	Fruits Into Baskets III	38.9%	Med.
3480.	Maximize Subarrays After Removing One Conflicting Pair	65.5%	Hard
3481.	Apply Substitutions	77.6%	Med.
3482.	Analyze Organization Hierarchy	58.9%	Hard
3483.	Unique 3-Digit Even Numbers	67.9%	Easy
3484.	Design Spreadsheet	67.3%	Med.
3485.	Longest Common Prefix of K Strings After Removal	20.7%	Hard
3486.	Longest Special Path II	16.4%	Hard
3487.	Maximum Unique Subarray Sum After Deletion	40.3%	Easy
3488.	Closest Equal Element Queries	31.8%	Med.
3489.	Zero Array Transformation IV	30.0%	Med.
3490.	Count Beautiful Numbers	21.4%	Hard
3491.	Phone Number Prefix	71.8%	Easy
3492.	Maximum Containers on a Ship	74.7%	Easy
3493.	Properties Graph	47.2%	Med.
3494.	Find the Minimum Amount of Time to Brew Potions	35.8%	Med.
3495.	Minimum Operations to Make Array Elements Zero	32.2%	Hard
3496.	Maximize Score After Pair Deletions	54.8%	Med.
3497.	Analyze Subscription Conversion	74.9%	Med.
3498.	Reverse Degree of a String	87.6%	Easy
3499.	Maximize Active Section with Trade I	30.3%	Med.
3500.	Minimum Cost to Divide Array Into Subarrays	23.7%	Hard
3501.	Maximize Active Section with Trade II	19.3%	Hard
3502.	Minimum Cost to Reach Every Position	82.4%	Easy
3503.	Longest Palindrome After Substring Concatenation I	43.4%	Med.
3504.	Longest Palindrome After Substring Concatenation II	16.2%	Hard
3505.	Minimum Operations to Make Elements Within K Subarrays Equal	27.3%	Hard
3506.	Find Time Required to Eliminate Bacterial Strains	57.7%	Hard
3507.	Minimum Pair Removal to Sort Array I	55.7%	Easy
3508.	Implement Router	22.3%	Med.
3509.	Maximum Product of Subsequences With an Alternating Sum Equal to K	11.4%	Hard
3510.	Minimum Pair Removal to Sort Array II	14.1%	Hard
3511.	Make a Positive Array	36.5%	Med.
3512.	Minimum Operations to Make Array Sum Divisible by K	87.6%	Easy
3513.	Number of Unique XOR Triplets I	25.4%	Med.
3514.	Number of Unique XOR Triplets II	29.8%	Med.
3515.	Shortest Path in a Weighted Tree	33.1%	Hard
3516.	Find Closest Person	83.3%	Easy
3517.	Smallest Palindromic Rearrangement I	63.0%	Med.
3518.	Smallest Palindromic Rearrangement II	12.5%	Hard
3519.	Count Numbers with Non-Decreasing Digits	34.8%	Hard
3520.	Minimum Threshold for Inversion Pairs Count	54.2%	Med.
3521.	Find Product Recommendation Pairs	62.7%	Med.
3522.	Calculate Score After Performing Instructions	56.0%	Med.
3523.	Make Array Non-decreasing	55.5%	Med.
3524.	Find X Value of Array I	33.8%	Med.
3525.	Find X Value of Array II	27.8%	Hard
3526.	Range XOR Queries with Subarray Reversals	62.2%	Hard
3527.	Find the Most Common Response	75.0%	Med.
3528.	Unit Conversion I	55.7%	Med.
3529.	Count Cells in Overlapping Horizontal and Vertical Substrings	23.3%	Med.
3530.	Maximum Profit from Valid Topological Order in DAG	27.6%	Hard
3531.	Count Covered Buildings	37.9%	Med.
3532.	Path Existence Queries in a Graph I	54.9%	Med.
3533.	Concatenated Divisibility	26.4%	Hard
3534.	Path Existence Queries in a Graph II	23.1%	Hard
3535.	Unit Conversion II	67.7%	Med.
3536.	Maximum Product of Two Digits	69.5%	Easy
3537.	Fill a Special Grid	70.1%	Med.
3538.	Merge Operations for Minimum Travel Time	27.8%	Hard
3539.	Find Sum of Array Product of Magical Sequences	23.3%	Hard
3540.	Minimum Time to Visit All Houses	67.3%	Med.
3541.	Find Most Frequent Vowel and Consonant	87.7%	Easy
3542.	Minimum Operations to Convert All Elements to Zero	24.6%	Med.
3543.	Maximum Weighted K-Edge Path	18.8%	Med.
3544.	Subtree Inversion Sum	41.4%	Hard
3545.	Minimum Deletions for At Most K Distinct Characters	72.6%	Easy
3546.	Equal Sum Grid Partition I	42.1%	Med.
3547.	Maximum Sum of Edge Values in a Graph	33.9%	Hard
3548.	Equal Sum Grid Partition II	19.3%	Hard
3549.	Multiply Two Polynomials	63.3%	Hard
3550.	Smallest Index With Digit Sum Equal to Index	80.0%	Easy
3551.	Minimum Swaps to Sort by Digit Sum	50.7%	Med.
3552.	Grid Teleportation Traversal	22.0%	Med.
3553.	Minimum Weighted Subgraph With the Required Paths II	49.1%	Hard
3554.	Find Category Recommendation Pairs	65.5%	Hard
3555.	Smallest Subarray to Sort in Every Sliding Window	62.3%	Med.
3556.	Sum of Largest Prime Substrings	37.3%	Med.
3557.	Find Maximum Number of Non Intersecting Substrings	29.2%	Med.
3558.	Number of Ways to Assign Edge Weights I	53.7%	Med.
3559.	Number of Ways to Assign Edge Weights II	60.4%	Hard
3560.	Find Minimum Log Transportation Cost	41.5%	Easy
3561.	Resulting String After Adjacent Removals	55.5%	Med.
3562.	Maximum Profit from Trading Stocks with Discounts	20.4%	Hard
3563.	Lexicographically Smallest String After Adjacent Removals	15.1%	Hard
3564.	Seasonal Sales Analysis	61.8%	Med.
3565.	Sequential Grid Path Cover	65.4%	Med.
3566.	Partition Array into Two Equal Product Subsets	34.9%	Med.
3567.	Minimum Absolute Difference in Sliding Submatrix	68.8%	Med.
3568.	Minimum Moves to Clean the Classroom	25.6%	Med.
3569.	Maximize Count of Distinct Primes After Split	14.9%	Hard
3570.	Find Books with No Available Copies	54.5%	Easy
3571.	Find the Shortest Superstring II	51.1%	Easy
3572.	Maximize Y‑Sum by Picking a Triplet of Distinct X‑Values	62.5%	Med.
3573.	Best Time to Buy and Sell Stock V	40.2%	Med.
3574.	Maximize Subarray GCD Score	22.4%	Hard
3575.	Maximum Good Subtree Score	44.2%	Hard
3576.	Transform Array to All Equal Elements	32.3%	Med.
3577.	Count the Number of Computer Unlocking Permutations	38.8%	Med.
3578.	Count Partitions With Max-Min Difference at Most K	37.1%	Med.
3579.	Minimum Steps to Convert String with Operations	40.7%	Hard
3580.	Find Consistently Improving Employees	57.3%	Med.
3581.	Count Odd Letters from Number	85.0%	Easy
3582.	Generate Tag for Video Caption	31.7%	Easy
3583.	Count Special Triplets	36.9%	Med.
3584.	Maximum Product of First and Last Elements of a Subsequence	30.3%	Med.
3585.	Find Weighted Median Node in Tree	23.3%	Hard
3586.	Find COVID Recovery Patients	40.4%	Med.
3587.	Minimum Adjacent Swaps to Alternate Parity	41.7%	Med.
3588.	Find Maximum Area of a Triangle	27.8%	Med.
3589.	Count Prime-Gap Balanced Subarrays	19.1%	Med.
3590.	Kth Smallest Path XOR Sum	27.7%	Hard
3591.	Check if Any Element Has Prime Frequency	62.5%	Easy
3592.	Inverse Coin Change	49.7%	Med.
3593.	Minimum Increments to Equalize Leaf Paths	40.7%	Med.
3594.	Minimum Time to Transport All Individuals	25.7%	Hard
3595.	Once Twice	77.5%	Med.
3596.	Minimum Cost Path with Alternating Directions I	69.1%	Med.
3597.	Partition String	57.4%	Med.
3598.	Longest Common Prefix Between Adjacent Strings After Removals	31.5%	Med.
3599.	Partition Array to Minimize XOR	40.0%	Med.
3600.	Maximize Spanning Tree Stability with Upgrades	38.2%	Hard
3601.	Find Drivers with Improved Fuel Efficiency	48.7%	Med.
3602.	Hexadecimal and Hexatrigesimal Conversion	79.9%	Easy
3603.	Minimum Cost Path with Alternating Directions II	44.0%	Med.
3604.	Minimum Time to Reach Destination in Directed Graph	45.7%	Med.
3605.	Minimum Stability Factor of Array	17.8%	Hard
3606.	Coupon Code Validator	53.8%	Easy
3607.	Power Grid Maintenance	44.2%	Med.
3608.	Minimum Time for K Connected Components	44.2%	Med.
3609.	Minimum Moves to Reach Target in Grid	13.6%	Hard
3610.	Minimum Number of Primes to Sum to Target	59.4%	Med.
3611.	Find Overbooked Employees	42.9%	Med.
3612.	Process String with Special Operations I	64.8%	Med.
3613.	Minimize Maximum Component Cost	42.9%	Med.
3614.	Process String with Special Operations II	15.8%	Hard
3615.	Longest Palindromic Path in Graph	17.4%	Hard
3616.	Number of Student Replacements	86.3%	Med.
3617.	Find Students with Study Spiral Pattern	30.0%	Hard
3618.	Split Array by Prime Indices	48.9%	Med.
3619.	Count Islands With Total Value Divisible by K	55.5%	Med.
3620.	Network Recovery Pathways	30.1%	Hard
3621.	Number of Integers With Popcount-Depth Equal to K I	19.9%	Hard
3622.	Check Divisibility by Digit Sum and Product	64.1%	Easy
3623.	Count Number of Trapezoids I	29.8%	Med.
3624.	Number of Integers With Popcount-Depth Equal to K II	37.8%	Hard
3625.	Count Number of Trapezoids II	12.4%	Hard
3626.	Find Stores with Inventory Imbalance	51.7%	Med.
3627.	Maximum Median Sum of Subsequences of Size 3	59.8%	Med.
3628.	Maximum Number of Subsequences After One Inserting	24.3%	Med.
3629.	Minimum Jumps to Reach End via Prime Teleportation	18.1%	Med.
3630.	Partition Array for Maximum XOR and AND	11.5%	Hard
3631.	Sort Threats by Severity and Exploitability	72.1%	Med.
3632.	Subarrays with XOR at Least K	41.9%	Hard
3633.	Earliest Finish Time for Land and Water Rides I	61.0%	Easy
3634.	Minimum Removals to Balance Array	37.7%	Med.
3635.	Earliest Finish Time for Land and Water Rides II	32.6%	Med.
3636.	Threshold Majority Queries	19.7%	Hard
3637.	Trionic Array I	39.4%	Easy
3638.	Maximum Balanced Shipments	54.7%	Med.
3639.	Minimum Time to Activate String	33.6%	Med.
3640.	Trionic Array II	20.2%	Hard
3641.	Longest Semi-Repeating Subarray	71.5%	Med.
3642.	Find Books with Polarized Opinions	47.0%	Easy
3643.	Flip Square Submatrix Vertically	65.9%	Easy
3644.	Maximum K to Sort a Permutation	32.5%	Med.
3645.	Maximum Total from Optimal Activation Order	37.0%	Med.
3646.	Next Special Palindrome Number	25.7%	Hard
3647.	Maximum Weight in Two Bags	69.0%	Med.
3648.	Minimum Sensors to Cover Grid	68.5%	Med.
3649.	Number of Perfect Pairs	30.1%	Med.
3650.	Minimum Cost Path with Edge Reversals	45.6%	Med.
3651.	Minimum Cost Path with Teleportations	17.3%	Hard
3652.	Best Time to Buy and Sell Stock using Strategy	37.2%	Med.
3653.	XOR After Range Multiplication Queries I	61.0%	Med.
3654.	Minimum Sum After Divisible Sum Deletions	26.8%	Med.
3655.	XOR After Range Multiplication Queries II	20.6%	Hard
3656.	Determine if a Simple Graph Exists	57.8%	Med.
3657.	Find Loyal Customers	66.4%	Med.
3658.	GCD of Odd and Even Sums	79.6%	Easy
3659.	Partition Array Into K-Distinct Groups	39.8%	Med.
3660.	Jump Game IX	16.3%	Med.
3661.	Maximum Walls Destroyed by Robots	22.4%	Hard
3662.	Filter Characters by Frequency	93.8%	Easy

Leetcode

agenda

arrays#

strings#

bit manipulation#

hash tables#

two pointers#

prefix sum#

sliding window - fixed size#

sliding window - dynamic size#

kadane’s algorithm#

matrix (2d array)#

linked list#

linked list (in place reversal)#

fast and slow pointers#

stacks#

monotonic stack#

monotonic queue#

quicksort / quickselect#

binary search#

backtracking#

tree traversal (level-order)#

tree traversal (pre-order)#

tree traversal (in-order)#

tree traversal (post-order)#

BST / ordered set#

tries#

two heaps#

top k elements#

intervals#

k-way merge#

data structure design#

greedy#

depth first search (dfs)#

breadth first search (bfs)#

topological sort#

union find#

minimum spanning tree (mst)#

shortest path#

1-d dynamic programming (dp)#

knapsack dynamic programming (dp)#

unbounded knapsack dp#

longest increasing subsequence (dp)#

2d (grid) DP#

string dp#

maths / geometry#

Survey

Solutions to Leetcode

arrays

strings

bit manipulation

hash tables

two pointers

prefix sum

sliding window - fixed size

sliding window - dynamic size

kadane’s algorithm

matrix (2d array)

linked list

linked list (in place reversal)

fast and slow pointers

stacks

monotonic stack

monotonic queue

quicksort / quickselect

binary search

backtracking

tree traversal (level-order)

tree traversal (pre-order)

tree traversal (in-order)

tree traversal (post-order)

BST / ordered set

tries

two heaps

top k elements

intervals

k-way merge

data structure design

greedy

depth first search (dfs)

breadth first search (bfs)

topological sort

union find

minimum spanning tree (mst)

shortest path

1-d dynamic programming (dp)

knapsack dynamic programming (dp)

unbounded knapsack dp

longest increasing subsequence (dp)

2d (grid) DP

string dp

maths / geometry