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Re:注意~!~!~!需要注意的数据

Posted by songzhenqi at 2010-07-19 19:52:09 on Problem 1308
In Reply To:注意~!~!~!需要注意的数据 Posted by:xuhanqiu at 2006-08-18 09:48:42
还要加一个 
1 2 2 3 3 1 5 6 0 0
一个正常的树加上若干个封闭环 不是树

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