My notes on leetcode
Tuesday, October 21, 2014
Code Ganker: Permutations II -- LeetCode
Code Ganker: Permutations II -- LeetCode
: 原题链接: http://oj.leetcode.com/problems/permutations-ii/ 这个题跟 Permutations 非常类似,唯一的区别就是在这个题目中元素集合可以出现重复。这给我们带来一个问题就是如果不对重复元素加以区别,那么类似于{1,1,2...
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