Balloon Comes!

Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)
Total Submission(s): 23182    Accepted Submission(s): 8774

4
+ 1 2
- 1 2
* 1 2
/ 1 2

3
-1
2
0.50

#include<stdio.h>
int main()
{
 int  n,a,b;
 char k;
 scanf("%d",&n);
 while(n--)
 {
    getchar();
      scanf("%c %d%d",&k,&a,&b);
    if(k==‘+‘)
        printf("%d\n",a+b);
    if(k==‘-‘)
       printf("%d\n",a-b);
     if(k==‘*‘)
      printf("%d\n",a*b);
    if(k==‘/‘)
    {
      if(a%b==0)
          printf("%d\n",a/b);
      else 
          printf("%.2f\n",a*1.0/b);
    } 
 }
 return 0;
}