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.4k的估计是4次方的，我的.69k的是3次方的

Posted by hawk at 2004-09-24 23:18:01 on Problem 1050
In Reply To:这个题目好些人的程序都好短啊，有什么直接的算法？ Posted by:mathzqy at 2004-09-24 20:59:26 
> O(n^3)的算法可以写的这么简单么？用的是什么方法？
> 好多都是0.4K就搞定了。
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