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Re:也來提供一組

Posted by jingfei at 2013-03-05 13:31:12 on Problem 2376 and last updated at 2013-03-05 13:33:38
In Reply To:试下这个数据,它的输出是-1 Posted by:HYSBZ at 2005-07-26 23:56:25
6 10
1 5
2 6
3 4
4 5
7 10
2 3

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