摘要: 传送门 直接搞就行。 注意下表re从零开始,而树状数组搞不了0,所以统一增加一个偏移量1. (话说数据随机是什么鬼?) 1 # include <iostream> 2 # include <cstdio> 3 # include <cstring> 4 # include <string> 5 # 阅读全文
posted @ 2017-05-02 18:19 zht467 阅读(188) 评论(0) 推荐(0)