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Re:我用Prim过了sample,提交为什么总是WA

Posted by gnaggnoyil at 2010-02-05 18:08:41 on Problem 3164
In Reply To:我用Prim过了sample,提交为什么总是WA Posted by:lnkm at 2008-06-07 17:59:57
> xi和yi有多大。
…………有向图射射

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