实测可以通过，[链接](https://www.luogu.com.cn/record/79732350)
by Yahbim @ 2022-07-15 21:14:45
似乎很有道理。
by myee @ 2022-11-02 14:55:12
我实现一下，回头造一个加强版数据评测。
by myee @ 2022-11-02 14:58:59
不对啊，这个出现 $0$ 边权了啊……
by myee @ 2022-11-02 17:31:29
应该还是对的，但是细节处理比较繁琐。
by myee @ 2022-11-02 21:57:37
唔，为啥我加上三度化后实际效率更慢了……
by myee @ 2022-11-03 08:53:14
题目数据都造好了。
马上传上来。
by myee @ 2022-11-03 15:20:03
提交链接：
<https://www.luogu.com.cn/problem/U259119>。
by myee @ 2022-11-03 15:37:36
<https://loj.ac/p/6896>。
已上传至 loj，洛谷上的私题提交现在关闭了。
by myee @ 2023-09-21 18:23:27