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#001 Two Sum.java
#001 Two Sum.java
 
 
#002 Add Two Numbers.java
#002 Add Two Numbers.java
 
 
#003 Longest Substring Without Repeating Characters.java
#003 Longest Substring Without Repeating Characters.java
 
 
#004 Median of Two Sorted Arrays.java
#004 Median of Two Sorted Arrays.java
 
 
#005 Longest Palindromic Substring.java
#005 Longest Palindromic Substring.java
 
 
#006 ZigZag Conversion.java
#006 ZigZag Conversion.java
 
 
#007 Reverse Integer.java
#007 Reverse Integer.java
 
 
#008 String to Integer (atoi).java
#008 String to Integer (atoi).java
 
 
#009 Palindrome Number.java
#009 Palindrome Number.java
 
 
#010 Regular Expression Matching.java
#010 Regular Expression Matching.java
 
 
#011 Container With Most Water.java
#011 Container With Most Water.java
 
 
#012 Integer to Roman.java
#012 Integer to Roman.java
 
 
#013 Roman to Integer.java
#013 Roman to Integer.java
 
 
#014 Longest Common Prefix.java
#014 Longest Common Prefix.java
 
 
#015 3Sum 0.5.java
#015 3Sum 0.5.java
 
 
#015 3Sum.java
#015 3Sum.java
 
 
#016 3Sum Closest.java
#016 3Sum Closest.java
 
 
#017 Letter Combinations of a Phone Number.java
#017 Letter Combinations of a Phone Number.java
 
 
#018 4Sum.java
#018 4Sum.java
 
 
#019 Remove Nth Node From End of List.java
#019 Remove Nth Node From End of List.java
 
 
#020 Valid Parentheses.java
#020 Valid Parentheses.java
 
 
#021 Merge Two Sorted Lists.java
#021 Merge Two Sorted Lists.java
 
 
#022 Generate Parentheses.java
#022 Generate Parentheses.java
 
 
#023 Merge k Sorted Lists.java
#023 Merge k Sorted Lists.java
 
 
#024 Swap Nodes in Pairs.java
#024 Swap Nodes in Pairs.java
 
 
#025 Reverse Nodes in k-Group.java
#025 Reverse Nodes in k-Group.java
 
 
#026 Remove Duplicates from Sorted Array.java
#026 Remove Duplicates from Sorted Array.java
 
 
#027 Remove Element.java
#027 Remove Element.java
 
 
#028 Implement strStr().java
#028 Implement strStr().java
 
 
#029 Divide Two Integers.java
#029 Divide Two Integers.java
 
 
#030 Substring with Concatenation of All Words.java
#030 Substring with Concatenation of All Words.java
 
 
#031 Next Permutation.java
#031 Next Permutation.java
 
 
#032 Longest Valid Parentheses.java
#032 Longest Valid Parentheses.java
 
 
#033 Search in Rotated Sorted Array 1.0.java
#033 Search in Rotated Sorted Array 1.0.java
 
 
#033 Search in Rotated Sorted Array 2.0.java
#033 Search in Rotated Sorted Array 2.0.java
 
 
#034 Search for a Range.java
#034 Search for a Range.java
 
 
#035 Search Insert Position.java
#035 Search Insert Position.java
 
 
#036 Valid Sudoku.java
#036 Valid Sudoku.java
 
 
#037 Sudoku Solver.java
#037 Sudoku Solver.java
 
 
#038 Count and Say.java
#038 Count and Say.java
 
 
#039 Combination Sum.java
#039 Combination Sum.java
 
 
#040 Combination Sum II 2.0.java
#040 Combination Sum II 2.0.java
 
 
#040 Combination Sum II.java
#040 Combination Sum II.java
 
 
#041 First Mission Positive (simple code).java
#041 First Mission Positive (simple code).java
 
 
#041 First Mission Positive.java
#041 First Mission Positive.java
 
 
#042 Trapping Rain Water.java
#042 Trapping Rain Water.java
 
 
#043 Multiply Strings.java
#043 Multiply Strings.java
 
 
#044 Wildcard Matching.java
#044 Wildcard Matching.java
 
 
#045 Jump Game II.java
#045 Jump Game II.java
 
 
#046 Permutations.java
#046 Permutations.java
 
 
#047 Permutations II.java
#047 Permutations II.java
 
 
#048 Rotate Image.java
#048 Rotate Image.java
 
 
#049 Group Anagrams.java
#049 Group Anagrams.java
 
 
#050 Pow(x, n).java
#050 Pow(x, n).java
 
 
#051 N-Queens.java
#051 N-Queens.java
 
 
#052 N-Queens II.java
#052 N-Queens II.java
 
 
#053 Maximum Subarray.java
#053 Maximum Subarray.java
 
 
#054 Spiral Matrix.java
#054 Spiral Matrix.java
 
 
#055 Jump Game 0.5.java
#055 Jump Game 0.5.java
 
 
#055 Jump Game.java
#055 Jump Game.java
 
 
#056 Merge Intervals.java
#056 Merge Intervals.java
 
 
#057 Insert Interval 1.1.java
#057 Insert Interval 1.1.java
 
 
#057 Insert Interval.java
#057 Insert Interval.java
 
 
#058 Length of Last Word.java
#058 Length of Last Word.java
 
 
#059 Spiral Matrix II.java
#059 Spiral Matrix II.java
 
 
#060 Permutation Sequence.java
#060 Permutation Sequence.java
 
 
#061 Rotate List.java
#061 Rotate List.java
 
 
#062 Unique Path.java
#062 Unique Path.java
 
 
#063 Unique Paths II.java
#063 Unique Paths II.java
 
 
#064 Minimum Path Sum.java
#064 Minimum Path Sum.java
 
 
#065 Valid Number.java
#065 Valid Number.java
 
 
#066 Plus One.java
#066 Plus One.java
 
 
#067 Add Binary.java
#067 Add Binary.java
 
 
#068 Text Justification.java
#068 Text Justification.java
 
 
#069 Sqrt(x).java
#069 Sqrt(x).java
 
 
#070 Climbing Stairs.java
#070 Climbing Stairs.java
 
 
#071 Simplify Path.java
#071 Simplify Path.java
 
 
#072 Edit Distance.java
#072 Edit Distance.java
 
 
#073 Set Matrix Zeroes.java
#073 Set Matrix Zeroes.java
 
 
#074 Search a 2D Matrix.java
#074 Search a 2D Matrix.java
 
 
#075 Sort Colors.java
#075 Sort Colors.java
 
 
#076 Minimum Window Substring.java
#076 Minimum Window Substring.java
 
 
#077 Combinations.java
#077 Combinations.java
 
 
#078 Subsets.java
#078 Subsets.java
 
 
#079 Word Search.java
#079 Word Search.java
 
 
#080 Remove Duplicates from Sorted Array II.java
#080 Remove Duplicates from Sorted Array II.java
 
 
#081 Search in Rotated Sorted Array II.java
#081 Search in Rotated Sorted Array II.java
 
 
#082 Remove Duplicates from Sorted List II.java
#082 Remove Duplicates from Sorted List II.java
 
 
#083 Remove Duplicates from Sorted List.java
#083 Remove Duplicates from Sorted List.java
 
 
#084 Largest Rectangle in Histogram.java
#084 Largest Rectangle in Histogram.java
 
 
#085 Maximal Rectangle.java
#085 Maximal Rectangle.java
 
 
#086 Partition List.java
#086 Partition List.java
 
 
#087 Scramble String.java
#087 Scramble String.java
 
 
#088 Merge Sorted Array.java
#088 Merge Sorted Array.java
 
 
#089 Gray Code.java
#089 Gray Code.java
 
 
#090 Subsets II.java
#090 Subsets II.java
 
 
#091 Decode Ways.java
#091 Decode Ways.java
 
 
#092 Reverse Linked List II.java
#092 Reverse Linked List II.java
 
 
#093 Restore IP Addresses.java
#093 Restore IP Addresses.java
 
 
#094 Binary Tree Inorder Traversal.java
#094 Binary Tree Inorder Traversal.java
 
 

Repository files navigation

LeetCode LeetCode

#065 Valid Number: 状态机

#224 Basic Calculator: Stack!!

#264 Ugly Number: Three LinkedList

#313 Super Ugly Number: Different from #264

#335 Self Crossing: Consider in what situation will self cross.

#336 Palindrome Pairs: Time Limit!

#087 Scramble String

#214 KMP!!!

#072 Edit Distance

#240. Search a 2D Matrix II: Hot Interview Problem.

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