随笔分类 -  线段树

摘要:DescriptionYou have N integers, A1, A2, ... , AN. You need to deal with two kinds of operations. One type of operation is to add some given number to ... 阅读全文
posted @ 2015-06-29 20:57 ALXPCUN 阅读(111) 评论(0) 推荐(0)