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重边? 数据有没有。

Posted by tyf19938 at 2013-10-19 15:51:40 on Problem 3694
3 2
1 2
2 3
4
1 2
2 3
1 2
2 3

3 4
1 2
2 3
1 2
2 3
2
1 2
2 3

0 0
这个该输出什么?
第一个 1 0 0 0  第二个 0 0  对么?
加边之前给定的 连通图 有没有重边?

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