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我觉得还是要recur,不过怎么剪枝?

Posted by waterine at 2005-04-10 01:55:02 on Problem 1831
In Reply To:Re:请教这题的算法 Posted by:zhucheng at 2005-04-09 19:22:09
> 不是吧!
> s=251*251时有解:251,251,251,.....(251个)
> 但是按你的方法是不可能构造出来的,
> 因为解当中没有2,也没有3,6

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