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Re:这题什么意思??sample怎么得到17 ??

Posted by dec1985 at 2006-08-01 20:57:49 on Problem 1700
In Reply To:Re:这题什么意思??sample怎么得到17 ?? Posted by:Sempr at 2005-11-30 11:09:55 
> 1 2->
> <-1
> 5 10->
> <-2
> 1,2->


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