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Re:样例是不是有错啊

Posted by duyunfei at 2008-07-30 16:53:20 on Problem 1018
In Reply To:样例是不是有错啊 Posted by:zxt at 2008-07-06 12:15:50 
> 1 3
> 3 100 25 150 35 80 25
> 2 120 80 155 40
> 2 100 100 120 110
> 如果选择80 25
>        120 80
>        100 100
>        sum(B)=205
>        sum(P)=300
>       B/P=0.683
> 为什么是0.649
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