LeetCode 15. 三数之和（3Sum）
题目描述 给定一个包含 n 个整数的数组 nums，判断 nums 中是否存在三个元素 a，b，c ，使得 a + b + c = 0 ？找出所有满足条件且不重复的三元组。 注 ...
原文：[LeetCode]21. 3Sum三者之和
Given an arraySofnintegers, are there elementsa,b,cinSsuch thata b c Find all unique triplets in the array which gives the sum of zero. Note: Elements in a triplet a,b,c must be in non descending orde ...
2015-10-12 20:12 0 6050 推荐指数：
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原题地址：http://oj.leetcode.com/problems/3sum/ 题意：从一个数组中找到三个数，使这三个数的和为0。有可能存在多组解，也有可能存在重复的解，所以需要去重。比如：num=[-1,0,1,2,-1,-4];那么存在两组解：[[-1,0,1],[-1,-1,2 ...
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