Name	Name	Last commit message	Last commit date
Latest commit History 334 Commits
1. Two Sum	1. Two Sum
100. Same Tree	100. Same Tree
1004. Max Consecutive Ones III	1004. Max Consecutive Ones III
101. Symmetric Tree	101. Symmetric Tree
102. Binary Tree Level Order Traversal	102. Binary Tree Level Order Traversal
103. Binary Tree Zigzag Level Order Traversal	103. Binary Tree Zigzag Level Order Traversal
104. Maximum Depth of Binary Tree	104. Maximum Depth of Binary Tree
1048. Longest String Chain	1048. Longest String Chain
105. Construct Binary Tree from Preorder and Inorder Traversal	105. Construct Binary Tree from Preorder and Inorder Traversal
1052. Grumpy Bookstore Owner	1052. Grumpy Bookstore Owner
106. Construct Binary Tree from Inorder and Postorder Traversal	106. Construct Binary Tree from Inorder and Postorder Traversal
108. Convert Sorted Array to Binary Search Tree	108. Convert Sorted Array to Binary Search Tree
11. Container With Most Water	11. Container With Most Water
1100. Find K-Length Substrings With No Repeated Characters	1100. Find K-Length Substrings With No Repeated Characters
112. Path Sum	112. Path Sum
113. Path Sum II	113. Path Sum II
114. Flatten Binary Tree to Linked List	114. Flatten Binary Tree to Linked List
117. Populating Next Right Pointers in Each Node II	117. Populating Next Right Pointers in Each Node II
1197. Minimum Knight Moves	1197. Minimum Knight Moves
12. Integer to Roman	12. Integer to Roman
120. Triangle	120. Triangle
124. Binary Tree Maximum Path Sum	124. Binary Tree Maximum Path Sum
125. Valid Palindrome	125. Valid Palindrome
127. Word Ladder	127. Word Ladder
128. Longest Consecutive Sequence	128. Longest Consecutive Sequence
129. Sum Root to Leaf Numbers	129. Sum Root to Leaf Numbers
130. Surrounded Regions	130. Surrounded Regions
133. Clone Graph	133. Clone Graph
134. Gas Station	134. Gas Station
1343. Number of Sub-arrays of Size K and Average Greater than or Equal to Threshold	1343. Number of Sub-arrays of Size K and Average Greater than or Equal to Threshold
135. Candy	135. Candy
136. Single Number	136. Single Number
137. Single Number II	137. Single Number II
138. Copy List with Random Pointer	138. Copy List with Random Pointer
1381. Design a Stack With Increment Operation	1381. Design a Stack With Increment Operation
139. Word Break	139. Word Break
141. Linked List Cycle	141. Linked List Cycle
143. Reorder List	143. Reorder List
1438. Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit	1438. Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit
146. LRU Cache	146. LRU Cache
148. Sort List	148. Sort List
15. 3Sum	15. 3Sum
150. Evaluate Reverse Polish Notation	150. Evaluate Reverse Polish Notation
152. Maximum Product Subarray	152. Maximum Product Subarray
153. Find Minimum in Rotated Sorted Array	153. Find Minimum in Rotated Sorted Array
155. Min Stack	155. Min Stack
159. Longest Substring with At Most Two Distinct Characters	159. Longest Substring with At Most Two Distinct Characters
16. 3Sum Closest	16. 3Sum Closest
162. Find Peak Element	162. Find Peak Element
167. Two Sum II - Input Array Is Sorted	167. Two Sum II - Input Array Is Sorted
169. Majority Element	169. Majority Element
17. Letter Combinations of a Phone Number	17. Letter Combinations of a Phone Number
172. Factorial Trailing Zeroes	172. Factorial Trailing Zeroes
173. Binary Search Tree Iterator	173. Binary Search Tree Iterator
1730. Shortest Path to Get Food	1730. Shortest Path to Get Food
1763. Longest Nice Substring	1763. Longest Nice Substring
179. Largest Number	179. Largest Number
1838. Frequency of the Most Frequent Element	1838. Frequency of the Most Frequent Element
1888. Minimum Number of Flips to Make the Binary String Alternating	1888. Minimum Number of Flips to Make the Binary String Alternating
189. Rotate Array	189. Rotate Array
19. Remove Nth Node From End of List	19. Remove Nth Node From End of List
190. Reverse Bits	190. Reverse Bits
191. Number of 1 Bits	191. Number of 1 Bits
198. House Robber	198. House Robber
1984. Minimum Difference Between Highest and Lowest of K Scores	1984. Minimum Difference Between Highest and Lowest of K Scores
199. Binary Tree Right Side View	199. Binary Tree Right Side View
2. Add Two Numbers	2. Add Two Numbers
20. Valid Parentheses	20. Valid Parentheses
200. Number of Islands	200. Number of Islands
201. Bitwise AND of Numbers Range	201. Bitwise AND of Numbers Range
202. Happy Number	202. Happy Number
205. Isomorphic Strings	205. Isomorphic Strings
207. Course Schedule	207. Course Schedule
208. Implement Trie (Prefix Tree)	208. Implement Trie (Prefix Tree)
209. Minimum Size Subarray Sum	209. Minimum Size Subarray Sum
21. Merge Two Sorted Lists	21. Merge Two Sorted Lists
210. Course Schedule II	210. Course Schedule II
211. Design Add and Search Words Data Structure	211. Design Add and Search Words Data Structure
212. Word Search II	212. Word Search II
215. Kth Largest Element in an Array	215. Kth Largest Element in an Array
219. Contains Duplicate II	219. Contains Duplicate II
22. Generate Parentheses	22. Generate Parentheses
221. Maximal Square	221. Maximal Square
222. Count Complete Tree Nodes	222. Count Complete Tree Nodes
224. Basic Calculator	224. Basic Calculator
226. Invert Binary Tree	226. Invert Binary Tree
227. Basic Calculator II	227. Basic Calculator II
228. Summary Ranges	228. Summary Ranges
23. Merge k Sorted Lists	23. Merge k Sorted Lists
230. Kth Smallest Element in a BST	230. Kth Smallest Element in a BST
234. Palindrome Linked List	234. Palindrome Linked List
236. Lowest Common Ancestor of a Binary Tree	236. Lowest Common Ancestor of a Binary Tree
2379. Minimum Recolors to Get K Consecutive Black Blocks	2379. Minimum Recolors to Get K Consecutive Black Blocks
238. Product of Array Except Self	238. Product of Array Except Self
24. Swap Nodes in Pairs	24. Swap Nodes in Pairs
242. Valid Anagram	242. Valid Anagram
25. Reverse Nodes in k-Group	25. Reverse Nodes in k-Group
253. Meeting Rooms II	253. Meeting Rooms II
261. Graph Valid Tree	261. Graph Valid Tree
2622. Cache With Time Limit	2622. Cache With Time Limit

Name

Last commit message

Last commit date

334 Commits

1. Two Sum

100. Same Tree

1004. Max Consecutive Ones III

101. Symmetric Tree

102. Binary Tree Level Order Traversal

103. Binary Tree Zigzag Level Order Traversal

104. Maximum Depth of Binary Tree

1048. Longest String Chain