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别害人啊，根本不需要考虑0的情况

Posted by ACong at 2009-05-14 11:26:47 on Problem 2363
In Reply To:0 的答案是6... Posted by:CydorniaKnight at 2009-03-05 13:26:10 
害得我真正的错误没找到，尽在这里费时间了。。。
常见错误应该是暴力时对上界的错误估计，像我一样以为pow(n,1/3)够了，其实当600时，最佳答案是6*10*10，这时ceil(pow(n,1/3))只等于9，如果只搜到这里的话，会找不到真正解，直接别吝啬了，改成ceil(sqrt(n))就行了。。。
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