GitHub - wangqian1992511/LeetCode: LeetCode solution and explanation

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Name		Name	Last commit message	Last commit date
Latest commit History 264 Commits
001 Two Sum		001 Two Sum
002 Add Two Numbers		002 Add Two Numbers
003 Longest Substring Without Repeating Characters		003 Longest Substring Without Repeating Characters
004 Median of Two Sorted Arrays		004 Median of Two Sorted Arrays
005 Longest Palindromic Substring		005 Longest Palindromic Substring
006 ZigZag Conversion		006 ZigZag Conversion
007 Reverse Integer		007 Reverse Integer
008 String to Integer (atoi)		008 String to Integer (atoi)
009 Palindrome Number		009 Palindrome Number
010 Regular Expression Matching		010 Regular Expression Matching
011 Container With Most Water		011 Container With Most Water
012 Integer to Roman		012 Integer to Roman
013 Roman to Integer		013 Roman to Integer
014 Longest Common Prefix		014 Longest Common Prefix
015 3Sum		015 3Sum
016 3Sum Closest		016 3Sum Closest
017 Letter Combinations of a Phone Number		017 Letter Combinations of a Phone Number
018 4Sum		018 4Sum
019 Remove Nth Node From End of List		019 Remove Nth Node From End of List
020 Valid Parentheses		020 Valid Parentheses
021 Merge Two Sorted Lists		021 Merge Two Sorted Lists
022 Generate Parentheses		022 Generate Parentheses
023 Merge k Sorted Lists		023 Merge k Sorted Lists
024 Swap Nodes in Pairs		024 Swap Nodes in Pairs
025 Reverse Nodes in k-Group		025 Reverse Nodes in k-Group
026 Remove Duplicates from Sorted Array		026 Remove Duplicates from Sorted Array
027 Remove Element		027 Remove Element
028 Implement strStr()		028 Implement strStr()
029 Divide Two Integers		029 Divide Two Integers
030 Substring with Concatenation of All Words		030 Substring with Concatenation of All Words
031 Next Permutation		031 Next Permutation
032 Longest Valid Parentheses		032 Longest Valid Parentheses
033 Search in Rotated Sorted Array		033 Search in Rotated Sorted Array
034 Search for a Range		034 Search for a Range
035 Search Insert Position		035 Search Insert Position
036 Valid Sudoku		036 Valid Sudoku
037 Sudoku Solver		037 Sudoku Solver
038 Count and Say		038 Count and Say
039 Combination Sum		039 Combination Sum
040 Combination Sum II		040 Combination Sum II
041 First Missing Positive		041 First Missing Positive
042 Trapping Rain Water		042 Trapping Rain Water
043 Multiply Strings		043 Multiply Strings
044 Wildcard Matching		044 Wildcard Matching
045 Jump Game II		045 Jump Game II
046 Permutations		046 Permutations
047 Permutations II		047 Permutations II
048 Rotate Image		048 Rotate Image
049 Group Anagrams		049 Group Anagrams
050 Pow(x,n)		050 Pow(x,n)
051 N-Queens		051 N-Queens
052 N-Queens II		052 N-Queens II
053 Maximum Subarray		053 Maximum Subarray
054 Spiral Matrix		054 Spiral Matrix
055 Jump Game		055 Jump Game
056 Merge Intervals		056 Merge Intervals
057 Insert Interval		057 Insert Interval
058 Length of Last Word		058 Length of Last Word
059 Spiral Matrix II		059 Spiral Matrix II
060 Permutation Sequence		060 Permutation Sequence
061 Rotate List		061 Rotate List
062 Unique Path		062 Unique Path
063 Unique Paths II		063 Unique Paths II
064 Minimum Path Sum		064 Minimum Path Sum
065 Valid Number		065 Valid Number
066 Plus One		066 Plus One
067 Add Binary		067 Add Binary
068 Text Justification		068 Text Justification
069 Sqrt(x)		069 Sqrt(x)
070 Climbing Stairs		070 Climbing Stairs
071 Simplify Path		071 Simplify Path
072 Edit Distance		072 Edit Distance
073 Set Matrix Zeroes		073 Set Matrix Zeroes
074 Search a 2D Matrix		074 Search a 2D Matrix
075 Sort Colors		075 Sort Colors
076 Minimum Window Substring		076 Minimum Window Substring
077 Combinations		077 Combinations
078 Subsets		078 Subsets
079 Word Search		079 Word Search
080 Remove Duplicates from Sorted Array II		080 Remove Duplicates from Sorted Array II
081 Search in Rotated Sorted Array II		081 Search in Rotated Sorted Array II
082 Remove Duplicates from Sorted List II		082 Remove Duplicates from Sorted List II
083 Remove Duplicates from Sorted List		083 Remove Duplicates from Sorted List
084 Largest Rectangle in Histogram		084 Largest Rectangle in Histogram
085 Maximal Rectangle		085 Maximal Rectangle
086 Partition List		086 Partition List
087 Scramble String		087 Scramble String
088 Merge Sorted Array		088 Merge Sorted Array
089 Gray Code		089 Gray Code
090 Subsets II		090 Subsets II
091 Decode Ways		091 Decode Ways
092 Reverse Linked List II		092 Reverse Linked List II
093 Restore IP Addresses		093 Restore IP Addresses
094 Binary Tree Inorder Traversal		094 Binary Tree Inorder Traversal
095 Unique Binary Search Trees II		095 Unique Binary Search Trees II
096 Unique Binary Search Trees		096 Unique Binary Search Trees
097 Interleaving String		097 Interleaving String
098 Validate Binary Search Tree		098 Validate Binary Search Tree
099 Recover Binary Search Tree		099 Recover Binary Search Tree
100 Same Tree		100 Same Tree

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I will keep maintaining the solution code (cpp and python) and the corresponding explanation here. Multiple solutions will be discussed for some of those interesting problems.

wangqian1992511/LeetCode

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