数据里面有坑。

P3366 【模板】最小生成树

您怕不是在用领接矩阵?
by uwagjaynoi @ 2018-11-08 11:02:35


你为啥不用Kru啊
by King_of_gamers @ 2018-11-08 11:03:00


不用怕怕这种东西了
by King_of_gamers @ 2018-11-08 11:03:11


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