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为什么是2呢？

Posted by chhaya at 2010-07-26 08:31:33 on Problem 2049 and last updated at 2010-07-26 08:58:40
In Reply To:为大家提供一组有参考价值的数据： Posted by:200511701117 at 2007-06-16 19:41:04 
> 1 6
> 1 2 1 5
> 0 2 0
> 0 3 0
> 0 4 0
> 0 5 0
> 0 6 0
> 0 7 0
> 0.5 5.5
> 答案是2
> 而不是4
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