@[I_AK_Ynoi](/user/742628) 这道题不用并查集吗
by Ruiqun2009 @ 2022-07-15 12:03:17
@[Ruiqun2009](/user/589895) 额，好吧。我记得并查集也是某道 Ynoi 题目的标签。
by I_AK_Ynoi @ 2022-07-15 12:24:35
@[I_AK_Ynoi](/user/742628) [here](https://www.luogu.com.cn/problem/list?tag=47|348)
by Ruiqun2009 @ 2022-07-15 12:28:09