求助..WA 了 5 6 7 8这4个点

P1099 [NOIP2007 提高组] 树网的核

~~前排不知道~~
by 过往云烟 @ 2018-08-23 10:11:32

~~面向数据编程吧~~
by Dispwnl @ 2018-08-23 10:18:34

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