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试试这组数据

Posted by frkstyc at 2005-07-18 17:37:00
In Reply To:大家帮忙过来看看这个程序! (2492) Posted by:ook at 2005-07-18 17:27:41
in:
4 4
1 2
3 4
1 3
2 4

out:
No suspicious bugs found

解释:令1和4是公的,2和3是母的

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