POJ 3468 （线段树）
摘要：
题目链接：http://poj.org/problem?id=3468 You have N integers, A1, A2, ... , AN. You need to deal with two kinds of operations. One type of operation is to 阅读全文
posted @ 2019-05-23 20:09 乐逍遥xwl 阅读(135) 评论(0) 推荐(0) 编辑