摘要: 题目描述Given an array S of n integers, are there elements a, b, c, and d in S such that a + b + c + d = target? Find all unique quadruple... 阅读全文
posted @ 2017-08-01 12:36 云胡同学 阅读(91) 评论(0) 推荐(0) 编辑