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错的。

Posted by vsake at 2014-05-26 12:54:39 on Problem 2762
In Reply To:我草什么强连通+拓扑, 我个强连通+欧拉路判断足矣秒杀~~~ Posted by:shahdza at 2011-08-03 14:21:47
这组数据过不了。
1
4 5
3 1
1 2
2 4
3 2
3 4

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