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Re:O(n^2) 和 O(n^1.5) 就是不一样In Reply To:O(n^2) 和 O(n^1.5) 就是不一样 Posted by:seu_enic at 2009-04-02 15:37:29 > 呵呵,用了你的方法暴搜
#include<iostream>
using namespace std;
int f(int n)
{ int i,j,k,s,min=10000;
for(i=1;i<=n;i++)
for(j=i;i*j<=n;j++)
if(n%(i*j)==0)
{ k=n/i/j;
s=2*(i*j+j*k+i*k);
if(s<min) min=s;}
return min;
}
int main()
{ int num,x;
cin>>num;
while(num--)
{ cin>>x;
cout<<f(x)<<endl;
}
return 0;
}
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