HDU 1170 ( Balloon Comes! )

看清题目，别用成while(scanf("%c%d%d",&c,&a,&b)!=EOF)了，我WA了两次就是因为这个原因，我说怎么简单的加减乘除还超时.

Problem : 1170 ( Balloon Comes! )     Judge Status : Accepted
RunId : 5592142    Language : C    Author : ssun
Code Render Status : Rendered By HDOJ C Code Render Version 0.01 Beta

#include<stdio.h>
int main()
{
int a,b;
char c;
int n;
scanf("%d",&n);

while(n--)
{
getchar();
scanf("%c%d%d",&c,&a,&b);

if(c=='+')printf("%d\n",a+b);
if(c=='-')printf("%d\n",a-b);
if(c=='*')printf("%d\n",a*b);
if(c=='/')
{
if(a % b==0) printf("%d\n",a/b);
else printf("%.2lf\n",(double)(a)/b);
}

}

return 0;
}