摘要: Given an array of 2n integers, your task is to group these integers into n pairs of integer, say (a1, b1), (a2, b2), ..., (an, bn) which makes sum of 阅读全文
posted @ 2017-04-27 23:57 Grandyang 阅读(9759) 评论(0) 推荐(0)
Fork me on GitHub