yangyiding @ 2023-10-21 10:58:05
如果你WA 4-10 请检查
if(dep[top[u]] < dep[top[v]]) swap(u,v);是不是写成了
if(dep[u] < dep[v]) swap(u,v)by Cynops @ 2023-11-02 15:19:21
感谢！
by Rubi_sama @ 2023-11-02 17:00:32
感谢
by ZhouZhiHeng @ 2023-11-03 16:38:36
还有各位务必注意有没有把 mod 取够
by gosgosgoy @ 2023-11-09 13:49:07
感谢
by subcrip @ 2024-05-13 17:04:15
感谢！