2016年9月21日
POJ3468--A Simple Problem with Integers--线段树/树状数组 改段求段
摘要： 题目描述 You 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 each n 阅读全文
posted @ 2016-09-21 20:54 Pic 阅读(166) 评论(0) 推荐(0) 编辑