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

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leetcode

My leetcode solutions, all implemented by C.

我最擅长的语言是Java，以前只是拿C做驱动开发，并不怎么熟。

这里用C来做leetcode一是想把C用熟一点，二是C不像Java有很多成熟的算法和数据结构，很多需要自己实现，顺道学习算法。

通过做这些题确实对常用的排序算法、hashtable、红黑树等算法和数据结构有了比较好的认识，受益匪浅。

但毕竟C功力有限，如果有不对的地方或者算法上可以优化的地方，欢迎指正交流。

Contact me : zhfchdev@gmail.com

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My leetcode solutions, all implemented by C.

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