<swustoj>?id=276 简单的计算器

#include <stdio.h>
int main()
{
    int a,b;
    char d;
    while(scanf("%d%c%d",&a,&d,&b)!=EOF)
    {
        switch(d)
        {
        case ‘+‘:printf("%d%c%d=%d\n",a,d,b,a+b);break;
        case ‘-‘:printf("%d%c%d=%d\n",a,d,b,a-b);break;
        case ‘*‘:printf("%d%c%d=%d\n",a,d,b,a*b); break;
        case ‘/‘:printf("%d%c%d=%d\n",a,d,b,a/b);break;
        }
    }
    return 0;
}