摘要：
描述 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 intege 阅读全文
摘要：
描述 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
摘要：
描述 Given an array of integers, return indices of the two numbers such that they add up to a specific target. You may assume that each input would have 阅读全文