backtracking问题
摘要:
backtracking最基础的问题是Subsets,即给定一个数组,要求返回其所有子集。Given a set of distinct integers,nums, return all possible subsets.Note:Elements in a subset must be in n... 阅读全文
posted @ 2015-12-24 15:27 ShinningWu 阅读(171) 评论(0) 推荐(0) 编辑