[你好，板子，请](https://www.luogu.com.cn/problem/CF915E)
by bellmanford @ 2020-05-30 20:18:16
[您A了的话就只有这道题了](https://www.luogu.com.cn/problem/P3834)
by bellmanford @ 2020-05-30 20:22:34
@[bellmanford](/user/116015) 一直waiting。。
by yu__xuan @ 2020-05-30 20:22:36
CF，正常，加油
by bellmanford @ 2020-05-30 20:23:24
好，谢谢大佬
by yu__xuan @ 2020-05-30 20:26:14
@[bellmanford](/user/116015) 动态开点的题不是很多吗,怎么就只有这两道了
by Limit @ 2020-05-30 20:27:26
@[yu__xuan](/user/142110) 随便找点线段树合并的题
by xwmwr @ 2020-05-30 20:28:39
@[Limit](/user/86625) 板子题啊
我总不能说线段树合并那些东西吧
by bellmanford @ 2020-05-30 20:35:25
@[bellmanford](/user/116015) 可持久化线段树都放出来了/fad
by Limit @ 2020-05-30 20:44:28
@[bellmanford](/user/116015) 单纯动态开点没啥好考的吧
by Limit @ 2020-05-30 20:46:55