LeetCode 15. 三數之和（3Sum）
排序，從一個數開始遍歷，若該數大於0，后面的數不可能與其相加和為0，所以跳過；否則該數可能是滿足要求的第一個數 ...
原文：LeetCode OJ：Three Sum（三數之和）
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 ...
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