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我哭死了,唔唔唔唔唔唔唔唔唔唔唔唔。。。。。。。。。。。少写了一个等号,让我错了几十次!!!!!ft,大家注意了!#include <stdio.h>
#include <math.h>
int s;
int t;
int main()
{
int n;
while(scanf("%d",&n)&&n)
{
double time=1e18;
double sum=0;
for(int i=0;i<n;i++)
{
scanf("%d%d",&s,&t);
if(t>=0)//这里少写了一个等号,错了几十次,提出来,大家注意!!!!
{
double d=ceil(4500*3.6/(double)s+(double)t);
if(d<time)
time=d;
}
}
printf("%.0lf\n",time);
}
return 0;
}
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