求调，悬赏一关注

P3833 [SHOI2012] 魔法树

给个hack数据也行
by Hellsing_Alucard @ 2022-12-18 08:55:38

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[你好像和这位犯的一样错误](https://www.luogu.com.cn/discuss/542474)
by SaintRelief @ 2022-12-18 09:43:46

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### @[LDH123](/user/746237) 并不一样，while都写对了 （虽然错的一样）
by Hellsing_Alucard @ 2022-12-18 21:46:53

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已查出问题，此贴结
by Hellsing_Alucard @ 2023-01-02 17:25:34

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求的是子树而不是路径，眼睛瞎了
by Hellsing_Alucard @ 2023-01-02 17:26:54

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