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给2组数据大牛们。。

Posted by ccnuzhang at 2009-08-03 10:50:49 on Problem 3352
11 14
1 2
1 3
1 4
2 5
6 11
2 6
5 6
5 11
3 7
3 8
7 8
4 9
4 10
9 10

11 14
1 2
1 3
1 4
5 11
2 5
2 6
5 6
6 11
3 7
3 8
7 8
4 9
4 10
9 10

答案2个都应该是2 

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