摘要：
题意： Given an array S of n integers, find three integers in S such that the sum is closest to a given number, target. Return the sum of the three integ 阅读全文
摘要：
题意： Given an array S of n integers, are there elements a, b, c in S such that a + b + c = 0? Find all unique triplets in the array which gives the sum 阅读全文