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有什么意义吗?

Posted by DestinyDesigner at 2009-09-26 15:11:22 on Problem 1815 and last updated at 2009-09-26 15:13:43
In Reply To:提供几组数据,供大家参考 Posted by:hutu_2000 at 2009-08-02 17:39:25
2 1 2
0 0
1 0

不是无向图么?lz。

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