摘要: One day Polycarp decided to rewatch his absolute favourite episode of well-known TV series "Tufurama". He was pretty surprised when he got results onl 阅读全文
posted @ 2018-04-13 22:41 楼主好菜啊 阅读(896) 评论(0) 推荐(0) 编辑
摘要: 推荐博客 : https://blog.csdn.net/creatorx/article/details/75446472 : https://www.cnblogs.com/zyf0163/p/4749042.html 早在很久之前就听过主席树这个名词,不过一直没有去学,当时想的是先把线段树学明 阅读全文
posted @ 2018-04-13 22:35 楼主好菜啊 阅读(160) 评论(0) 推荐(0) 编辑