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H题题目大意

Posted by ecust_linpeng at 2009-10-18 11:03:14
In Reply To:宁波的现场boaring Posted by:ecust_linpeng at 2009-10-18 08:49:55
给出一个无向图,有重边
最多10个点,30条边
一开始每条边无色,两个人R和B,轮流将每条边上色red和blue
R先开始。
B的目的是为了最后blue的边组成的图囊括所有的顶点。
R的目的是为了阻止B
输出yes or no

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