[leetcode]Subsets II
和上一个差不多,但是有重复. 有重复元素就挺麻烦的. 比如 1 1 1 我每个1都是可以选或者不选 那么第一个和第三个选了,第二个不选和第一个第二个选了第三个不选是一样的效果... 可以按 ...
原文：LeetCode:Subsets I II
求集合的所有子集问题 LeetCode:Subsets Given a set of distinct integers,S, return all possible subsets. Note: Elements in a subset must be in non descending order. The solution set must not contain duplicate sub ...
2013-11-30 23:01 3 8142 推荐指数：
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