2019年1月16日
【dsu || 线段树合并】bzoj4756: [Usaco2017 Jan]Promotion Counting
摘要： 调半天原来是dsu写不熟 Description The cows have once again tried to form a startup company, failing to remember from past experience t hat cows make terrible m 阅读全文
posted @ 2019-01-16 21:16 AntiQuality 阅读(185) 评论(0) 推荐(0) 编辑