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41. First Missing Positive Hard 1825606FavoriteShare 41. First Missing Positive Hard 1825606FavoriteShare Hard Given an unsorted integer array, find t 阅读全文
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37. Sudoku Solver Hard 95062FavoriteShare 37. Sudoku Solver Hard 95062FavoriteShare Hard Write a program to solve a Sudoku puzzle by filling the empty 阅读全文
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32. Longest Valid Parentheses Hard 199995FavoriteShare Given a string containing just the characters '(' and ')', find the length of the longest valid 阅读全文
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39. Combination Sum Medium 216868FavoriteShare 39. Combination Sum Medium 216868FavoriteShare Medium Given a set of candidate numbers (candidates) (wi 阅读全文
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ATTENTION:only thing need to pay attention is the loop condition is left<=right,don;t forget = PROBLEM：my code is long,there must some easier way to d 阅读全文
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go tiny every day 31. Next Permutation Medium 1903598FavoriteShare go tiny every day 31. Next Permutation Medium 1903598FavoriteShare Medium Implement 阅读全文
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写下小小的心愿，希望在搬家之前，能刷到40 30. Substring with Concatenation of All Words Hard 554931FavoriteShare 写下小小的心愿，希望在搬家之前，能刷到40 30. Substring with Concatenation of 阅读全文
