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Re:数据太弱,各大侠可试一试这组数据,很多AC程序都过不了

Posted by drn at 2012-08-24 16:04:02 on Problem 3259
In Reply To:Re:数据太弱,各大侠可试一试这组数据,很多AC程序都过不了 Posted by:529598862 at 2011-08-22 15:10:05
有负权环 应该是yes 为什么是no

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