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为什么用float能过,double就超时ans用float用时只有90ms,double却超时,想不通。。。
#include<iostream>
#include<cstdio>
#include<cmath>
using namespace std;
int main()
{
int m,n,t;
int i;
scanf("%d",&t);
for(i=0;i<t;i++)
{
scanf("%d%d",&m,&n);
float ans=m*n;
if (m*n%2)
{
ans=ans-1+sqrt(2.0);
}
printf("Scenario #%d:\n",i+1);
printf("%.2f\n\n",ans);
}
return 0;
}
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