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为什么 不用 判重边呢````晕```那 这个数据呢

Posted by __sunshine at 2009-09-11 08:57:13 on Problem 3694
In Reply To:一些提示, 其实不判重边也能AC Posted by:xmjt621 at 2009-07-16 22:03:32
4 4
1 2
2 1
2 3
1 4
1
2 3

按照你 说的 结果 应该是 2 

但是结果 应该是 1 吧

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