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如果双连通分量没写错的话，那就是奇圈那里错了。注意一个点可能在多个双连通分支上，如果你想设标号的话，每次最好给标号做初始化

Posted by wywcgs at 2006-08-19 17:25:47 on Problem 2942
In Reply To:Re:公然要测试数据影响不太好吧... Posted by:chhot at 2006-08-19 17:21:31 
> 
> 
> 我就是这么做的, 每次求双连通分量,然后检验是不是二部图,即奇圈.
> 可...可...就是wa呀, 实在想不出还有什么特殊数据了, 故才求测试数据的.
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