小学生算术

 1 #include <stdio.h> 
 2 
 3 int main(){
 4     int n1;
 5     int n2;
 6     int a;
 7     int b;
 8     int c;
 9     int d;
10     int e;
11     int f;
12     int amount;
13     
14     while(1){
15         scanf("%d%d",&n1,&n2);
16         
17         if(n1==0 && n2==0)
18             break;
19             
20         a=n1/100;
21         b=n1/10%10;
22         c=n1%10;
23         
24         d=n2/100;
25         e=n2/10%10;
26         f=n2%10;
27         
28         amount=0;
29         
30         if(c+f>=10){
31             amount++;
32             b++;
33         }
34         
35         if(b+e>=10){
36             amount++;
37             a++;
38         }
39         
40         if(a+d>=10)
41             amount++;
42             
43         printf("%d\n",amount);        
44     }
45     return 0;
46 }