Tuesday, October 21, 2014

Code Ganker: Permutations -- LeetCode

Code Ganker: Permutations -- LeetCode: 原题链接: http://oj.leetcode.com/problems/permutations/ 这道题跟 N-Queens , Sudoku Solver , Combination Sum , Combinations 等一样,也是一个 NP问题 。方法还是原来那个...

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