7

`#include<stdio.h>

include<math.h>

include<stdlib.h>

int main()
{
double c,f;

while(scanf("%lf",&c)!=EOF)
{
f=9*c/5+32;
printf("摄氏度c=%.2f时，华氏摄氏度f=%.2f\n",c,f);
printf("\n");
}
system("pause");
return 0;

}

`