Ryan’s leetcode Blog
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2015年6月29日星期一
Valid Sudoku leetcode
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Determine if a Sudoku is valid, according to: Sudoku Puzzles - The Rules . The Sudoku board could be partially filled, where empty cells...
2015年5月25日星期一
Longest Substring Without Repeating Characters leetcode
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Given a string, find the length of the longest substring without repeating characters. For example, the longest substring without repeating ...
2015年5月21日星期四
Longest Consecutive Sequence leetcode
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Given an unsorted array of integers, find the length of the longest consecutive elements sequence. For example, Given [100, 4, 200, 1, ...
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