数据提供者分别为 [Panda959](https://www.luogu.com.cn/user/103833) 和 [noco](https://www.luogu.com.cn/user/60883)。
by SSerxhs @ 2021-06-17 15:27:42
最近题管们鲨疯了
by _lgswdn @ 2021-06-17 16:07:23
@[SSerxhs](/user/29826) QP，我的过不去了
by Morgen_Kornblume @ 2021-06-17 16:21:12
@[SSerxhs](/user/29826) 可以去看下LCA那道题的帖子吗/yiw
[链接在这里](https://www.luogu.com.cn/discuss/show/322304)
by feicheng @ 2021-06-17 17:49:17
@[飞丞](/user/413147) 大概要晚一些~~一两个月~~，多构造点数据
by SSerxhs @ 2021-06-17 18:11:19
@[SSerxhs](/user/29826) okk
by feicheng @ 2021-06-17 21:34:56
数据继续更新。定向叉掉 @[ustze](/user/27030) 的提交，同时被叉的还有 @[Xopɐrɐd](/user/329589) @[SharpnessV](/user/119261) 。
by SSerxhs @ 2021-06-18 01:06:59
开幕雷击
by Xopered @ 2021-06-18 08:25:03
@[SSerxhs](/user/29826) 啥叫定向叉啊（
by 7KByte @ 2021-06-18 08:32:53
@[SharpnessV](/user/119261) 就是对着代码叉的
by SSerxhs @ 2021-06-18 11:25:00