LeetCode第[18]题(Java):4Sum (四个数的和为目标值)——Medium
摘要:
题目难度:Medium 题目: 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 quadruplets i 阅读全文
posted @ 2018-01-15 23:31 清风吹斜阳 阅读(1076) 评论(0) 推荐(0) 编辑