摘要: 题目:http://poj.org/problem?id=3468 题意:在一组数中执行两种操作 "C a b c" means adding c to each of Aa, Aa+1, ... , Ab. -10000 ≤ c ≤ 10000. "Q a b" means querying th 阅读全文
posted @ 2016-07-13 09:08 尼古拉斯凯特 阅读(167) 评论(0) 推荐(0)