小学生算术

123 456
555 555
123 594
0 0

0
3 
1

 
#include<iostream>
 using namespace std;
 
 int main()
 {
 int a,b;
 int temp;
 int count;
 int arr[3],brr[3];
 while(cin>>a>>b && a !=0 && b!=0)
 {
     temp = 0;
     count = 0;
     arr[0] = a /100;
     arr[1] = a /10 %10;
     arr[2] = a % 10;
     brr[0] = b /100;
     brr[1] = b /10 %10;
     brr[2] = b % 10;

     for(int i =2;i>=0;i--){
             temp += (arr[i] + brr[i]);
             if(temp >=10)
             {
                 temp =1;
                 count ++;
             }
             else
                 temp = 0;
     }
     cout << count <<endl;

 }
 
 return 0;
 }