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yeah...that's what i'm looking for....thanks srbga :)

Posted by Ikki at 2006-08-16 08:48:45 on Problem 2838
In Reply To:Re:弱弱问什么叫做欧拉树? Posted by:rujialiu at 2006-08-15 19:53:45
> 我想你要找的是欧拉回路树吧
> Euler-Tour Tree (ET-Tree)
> 不过这题的规模...用它大概反而会慢很多吧

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