杭电ACM1170--Balloon Comes!

地址  http://acm.hdu.edu.cn/showproblem.php?pid=1170

#include<stdio.h>int main(){    int t,a,b;    char m[2];    scanf("%d",&t);    while(t--)    {        scanf("%s%d%d",m,&a,&b);        if(m[0]=='+') printf("%d\n",a+b);        else if(m[0]=='-') printf("%d\n",a-b);        else if(m[0]=='*') printf("%d\n",a*b);        else if(a/b*b==a) printf("%d\n",a/b);        else printf("%.2f\n",(double)a/b);    }    return 0;}