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每次计算都要ceil(),AC代码。每次计算都要ceil()才行
#include <stdio.h>
#include <string.h>
#include <math.h>
int main()
{
int n;
while((scanf("%d",&n)!=EOF)&&(n!=0))
{
int i;
double s,t,tmp,times;
times=999999.0;
for(i=1;i<=n;i++)
{
scanf("%lf%lf",&s,&t);
if(t<0)
{
continue;
}
tmp=ceil((4.5*3600)/s+t);
if(tmp<times)
{
times=tmp;
}
}
printf("%d\n",(int)times);
}
return (0);
}
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