Name	Name	Last commit message	Last commit date
Latest commit wenxuwan update Dec 27, 2020 873152a · Dec 27, 2020 History 80 Commits
.idea	.idea
0001.sum	0001.sum
0002.Add Two Numbers	0002.Add Two Numbers
0003.Longest Substring Without Repeating Characters	0003.Longest Substring Without Repeating Characters
0004.Median of Two Sorted Arrays	0004.Median of Two Sorted Arrays
0005.Longest Palindromic Substring	0005.Longest Palindromic Substring
0006.ZigZag Conversion	0006.ZigZag Conversion
0007.Reverse Integer	0007.Reverse Integer
0008.String to Integer	0008.String to Integer
0009.Palindrome Number	0009.Palindrome Number
0010.Regular Expression Matching	0010.Regular Expression Matching
0011. Container With Most Water	0011. Container With Most Water
0013.RomantoInteger	0013.RomantoInteger
0014.Longest Common Prefix	0014.Longest Common Prefix
0015. 3Sum	0015. 3Sum
0016. 3Sum Closest	0016. 3Sum Closest
0017. Letter Combinations of a Phone Number	0017. Letter Combinations of a Phone Number
0018. 4Sum	0018. 4Sum
0019. Remove Nth Node From End of List	0019. Remove Nth Node From End of List
0020.Valid Parentheses	0020.Valid Parentheses
0021.Merge Two Sorted Lists	0021.Merge Two Sorted Lists
0022. Generate Parentheses	0022. Generate Parentheses
0023. Merge k Sorted Lists	0023. Merge k Sorted Lists
0024. Swap Nodes in Pairs	0024. Swap Nodes in Pairs
0025. Reverse Nodes in k-Group	0025. Reverse Nodes in k-Group
0026. Remove Duplicates from Sorted Array	0026. Remove Duplicates from Sorted Array
0027.Remove Element	0027.Remove Element
0028. Implement strStr()	0028. Implement strStr()
0029. Divide Two Integers	0029. Divide Two Integers
0030. Substring with Concatenation of All Words	0030. Substring with Concatenation of All Words
0031. Next Permutation	0031. Next Permutation
0032. Longest Valid Parentheses	0032. Longest Valid Parentheses
0033. Search in Rotated Sorted Array	0033. Search in Rotated Sorted Array
0034. Find First and Last Position of Element in Sorted Array	0034. Find First and Last Position of Element in Sorted Array
0035. Search Insert Position	0035. Search Insert Position
0036. Valid Sudoku	0036. Valid Sudoku
0037. Sudoku Solver	0037. Sudoku Solver
0038. Count and Say	0038. Count and Say
0039. Combination Sum	0039. Combination Sum
0040. Combination Sum II	0040. Combination Sum II
0041. First Missing Positive	0041. First Missing Positive
0042. Trapping Rain Water	0042. Trapping Rain Water
0043. Multiply Strings	0043. Multiply Strings
0044. Wildcard Matching	0044. Wildcard Matching
0046. Permutations	0046. Permutations
0047. Permutations II	0047. Permutations II
0048. Rotate Image	0048. Rotate Image
0049. Group Anagrams	0049. Group Anagrams
0051. N-Queens	0051. N-Queens
0053. Maximum Subarray	0053. Maximum Subarray
0054. Spiral Matrix	0054. Spiral Matrix
0055. Jump Game	0055. Jump Game
0056. Merge Intervals	0056. Merge Intervals
0057. Insert Interval	0057. Insert Interval
0059. Spiral Matrix II	0059. Spiral Matrix II
0060. Permutation Sequence	0060. Permutation Sequence
0061. Rotate List	0061. Rotate List
0062. Unique Paths	0062. Unique Paths
0063. Unique Paths II	0063. Unique Paths II
0066. Plus One	0066. Plus One
0069. Sqrt(x)	0069. Sqrt(x)
0070. Climbing Stairs	0070. Climbing Stairs
0073. Set Matrix Zeroes	0073. Set Matrix Zeroes
0074. Search a 2D Matrix	0074. Search a 2D Matrix
0075.Sort Colors	0075.Sort Colors
0076. Minimum Window Substring	0076. Minimum Window Substring
0077. Combinations	0077. Combinations
0078. Subsets	0078. Subsets
0079. Word Search	0079. Word Search
0080. Remove Duplicates from Sorted Array II	0080. Remove Duplicates from Sorted Array II
0082. Remove Duplicates from Sorted List II	0082. Remove Duplicates from Sorted List II
0083. Remove Duplicates from Sorted List	0083. Remove Duplicates from Sorted List
0086. Partition List	0086. Partition List
0088. Merge Sorted Array	0088. Merge Sorted Array
0089. Gray Code	0089. Gray Code
0091. Decode Ways	0091. Decode Ways
0092. Reverse Linked List II	0092. Reverse Linked List II
0093. Restore IP Addresses	0093. Restore IP Addresses
0094. Binary Tree Inorder Traversal	0094. Binary Tree Inorder Traversal
0096. Unique Binary Search Trees	0096. Unique Binary Search Trees
0098. Validate Binary Search Tree	0098. Validate Binary Search Tree
0100. Same Tree	0100. Same Tree
0101. Symmetric Tree	0101. Symmetric Tree
0102. Binary Tree Level Order Traversal	0102. Binary Tree Level Order Traversal
0103.Binary Tree Zigzag Level Order Traversal	0103.Binary Tree Zigzag Level Order Traversal
0104. Maximum Depth of Binary Tree	0104. Maximum Depth of Binary Tree
0105. Construct Binary Tree from Preorder and Inorder Traversal	0105. Construct Binary Tree from Preorder and Inorder Traversal
0106.Construct Binary Tree from Inorder and Postorder Traversal	0106.Construct Binary Tree from Inorder and Postorder Traversal
0107. Binary Tree Level Order Traversal II	0107. Binary Tree Level Order Traversal II
0108. Convert Sorted Array to Binary Search Tree	0108. Convert Sorted Array to Binary Search Tree
0109. Convert Sorted List to Binary Search Tree	0109. Convert Sorted List to Binary Search Tree
0112. Path Sum	0112. Path Sum
0114. Flatten Binary Tree to Linked List	0114. Flatten Binary Tree to Linked List
0116. Populating Next Right Pointers in Each Node	0116. Populating Next Right Pointers in Each Node
0120. Triangle	0120. Triangle
0121. Best Time to Buy and Sell Stock	0121. Best Time to Buy and Sell Stock
0122. Best Time to Buy and Sell Stock II	0122. Best Time to Buy and Sell Stock II
0123. Best Time to Buy and Sell Stock III	0123. Best Time to Buy and Sell Stock III
0124. Binary Tree Maximum Path Sum	0124. Binary Tree Maximum Path Sum
0125. Valid Palindrome	0125. Valid Palindrome
0128. Longest Consecutive Sequence	0128. Longest Consecutive Sequence
0134. Gas Station	0134. Gas Station
0136. Single Number	0136. Single Number
0139. Word Break	0139. Word Break
0141. Linked List Cycle	0141. Linked List Cycle
0142. Linked List Cycle II	0142. Linked List Cycle II
0143.Reorder List	0143.Reorder List
0146. LRU Cache	0146. LRU Cache
0148. Sort List	0148. Sort List
0152. Maximum Product Subarray	0152. Maximum Product Subarray
0155. Min Stack	0155. Min Stack
0160. Intersection of Two Linked Lists	0160. Intersection of Two Linked Lists
0167. Two Sum II - Input array is sorted	0167. Two Sum II - Input array is sorted
0169. Majority Element	0169. Majority Element
0189. Rotate Array	0189. Rotate Array
0198. House Robber	0198. House Robber
0200. Number of Islands	0200. Number of Islands
0206. Reverse Linked List	0206. Reverse Linked List
0207. Course Schedule	0207. Course Schedule
0208. Implement Trie (Prefix Tree)	0208. Implement Trie (Prefix Tree)
0209. Minimum Size Subarray Sum	0209. Minimum Size Subarray Sum
0213. House Robber II	0213. House Robber II
0215.Kth Largest Element in an Array	0215.Kth Largest Element in an Array
0216. Combination Sum III	0216. Combination Sum III
0217. Contains Duplicate	0217. Contains Duplicate
0221. Maximal Square	0221. Maximal Square
0226. Invert Binary Tree	0226. Invert Binary Tree
0230.Kth Smallest Element in a BST	0230.Kth Smallest Element in a BST
0231. Power of Two	0231. Power of Two
0234. Palindrome Linked List	0234. Palindrome Linked List
0235. Lowest Common Ancestor of a Binary Search Tree	0235. Lowest Common Ancestor of a Binary Search Tree
0236. Lowest Common Ancestor of a Binary Tree	0236. Lowest Common Ancestor of a Binary Tree
0237. Delete Node in a Linked List	0237. Delete Node in a Linked List
0238. Product of Array Except Self	0238. Product of Array Except Self
0239. Sliding Window Maximum	0239. Sliding Window Maximum
0240. Search a 2D Matrix II	0240. Search a 2D Matrix II
0242. Valid Anagram	0242. Valid Anagram
0263. Ugly Number	0263. Ugly Number
0264. Ugly Number II	0264. Ugly Number II
0278. First Bad Version	0278. First Bad Version
0279. Perfect Squares	0279. Perfect Squares
0283. Move Zeroes	0283. Move Zeroes
0287. Find the Duplicate Number	0287. Find the Duplicate Number
0292. Nim Game	0292. Nim Game
0300. Longest Increasing Subsequence	0300. Longest Increasing Subsequence
0301. Remove Invalid Parentheses	0301. Remove Invalid Parentheses
0309.Best Time to Buy and Sell Stock with Cooldown	0309.Best Time to Buy and Sell Stock with Cooldown
0322. Coin Change	0322. Coin Change
0328. Odd Even Linked List	0328. Odd Even Linked List
0334.Increasing Triplet Subsequence	0334.Increasing Triplet Subsequence
0337. House Robber III	0337. House Robber III
0338. Counting Bits	0338. Counting Bits
0344. Reverse String	0344. Reverse String
0345. Reverse Vowels of a String	0345. Reverse Vowels of a String
0347.Top K Frequent Elements	0347.Top K Frequent Elements
0349. Intersection of Two Arrays	0349. Intersection of Two Arrays
0350. Intersection of Two Arrays II	0350. Intersection of Two Arrays II
0375. Guess Number Higher or Lower II	0375. Guess Number Higher or Lower II
0376. Wiggle Subsequence	0376. Wiggle Subsequence
0378. Kth Smallest Element in a Sorted Matrix	0378. Kth Smallest Element in a Sorted Matrix
0387. First Unique Character in a String	0387. First Unique Character in a String
0392. Is Subsequence	0392. Is Subsequence
0394. Decode String	0394. Decode String
0402. Remove K Digits	0402. Remove K Digits
0406. Queue Reconstruction by Height	0406. Queue Reconstruction by Height
0414. Third Maximum Number	0414. Third Maximum Number
0416. Partition Equal Subset Sum	0416. Partition Equal Subset Sum
0424. Longest Repeating Character Replacement	0424. Longest Repeating Character Replacement
0437. Path Sum III	0437. Path Sum III
0438. Find All Anagrams in a String	0438. Find All Anagrams in a String
0445. Add Two Numbers II	0445. Add Two Numbers II
0448. Find All Numbers Disappeared in an Array	0448. Find All Numbers Disappeared in an Array
0455. Assign Cookies	0455. Assign Cookies
0457. Circular Array Loop	0457. Circular Array Loop
0461. Hamming Distance	0461. Hamming Distance
0494. Target Sum	0494. Target Sum
0520. Detect Capital	0520. Detect Capital
0521. Longest Uncommon Subsequence I	0521. Longest Uncommon Subsequence I
0522. Longest Uncommon Subsequence II	0522. Longest Uncommon Subsequence II
0523. Continuous Subarray Sum	0523. Continuous Subarray Sum
0524. Longest Word in Dictionary through Deleting	0524. Longest Word in Dictionary through Deleting
0532. K-diff Pairs in an Array	0532. K-diff Pairs in an Array
0538. Convert BST to Greater Tree	0538. Convert BST to Greater Tree
0543. Diameter of Binary Tree	0543. Diameter of Binary Tree
0547. Friend Circles	0547. Friend Circles
0557. Reverse Words in a String III	0557. Reverse Words in a String III
0560. Subarray Sum Equals K	0560. Subarray Sum Equals K
0567. Permutation in String	0567. Permutation in String
0581. Shortest Unsorted Continuous Subarray	0581. Shortest Unsorted Continuous Subarray
0583. Delete Operation for Two Strings	0583. Delete Operation for Two Strings
0617. Merge Two Binary Trees	0617. Merge Two Binary Trees
0621. Task Scheduler	0621. Task Scheduler
0632. Smallest Range Covering Elements from K Lists	0632. Smallest Range Covering Elements from K Lists
0637. Average of Levels in Binary Tree	0637. Average of Levels in Binary Tree
0647. Palindromic Substrings	0647. Palindromic Substrings
0673. Number of Longest Increasing Subsequence	0673. Number of Longest Increasing Subsequence
0692. Top K Frequent Words	0692. Top K Frequent Words
0707. Design Linked List	0707. Design Linked List
0713. Subarray Product Less Than K	0713. Subarray Product Less Than K
0714. Best Time to Buy and Sell Stock with Transaction Fee	0714. Best Time to Buy and Sell Stock with Transaction Fee
0718. Maximum Length of Repeated Subarray	0718. Maximum Length of Repeated Subarray
0739. Daily Temperatures	0739. Daily Temperatures
0740. Delete and Earn	0740. Delete and Earn
0743. Network Delay Time	0743. Network Delay Time
0746. Min Cost Climbing Stairs	0746. Min Cost Climbing Stairs
0763. Partition Labels	0763. Partition Labels
0767. Reorganize String	0767. Reorganize String
0792. Number of Matching Subsequences	0792. Number of Matching Subsequences
0876. Middle of the Linked List	0876. Middle of the Linked List
0944. Delete Columns to Make Sorted	0944. Delete Columns to Make Sorted
0968. Binary Tree Cameras	0968. Binary Tree Cameras
0991. Broken Calculator	0991. Broken Calculator
1016. Binary String With Substrings Representing 1 To N	1016. Binary String With Substrings Representing 1 To N
1081. Smallest Subsequence of Distinct Characters	1081. Smallest Subsequence of Distinct Characters
1139. Largest 1-Bordered Square	1139. Largest 1-Bordered Square
1143. Longest Common Subsequence	1143. Longest Common Subsequence
1171. Remove Zero Sum Consecutive Nodes from Linked List	1171. Remove Zero Sum Consecutive Nodes from Linked List
1191. K-Concatenation Maximum Sum	1191. K-Concatenation Maximum Sum
1367. Linked List in Binary Tree	1367. Linked List in Binary Tree
test	test
tools	tools
二叉搜索树的构建	二叉搜索树的构建
面试题	面试题
README.md	README.md

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