Primary_Arithmetic.cc

#include <iostream>

using namespace std;


int getCarryOps(int n1, int n2) {
    int carry_count = 0, carry_num = 0;
    
    while(n1 > 0 && n2 > 0) {
        int dn1 = n1 % 10;
        int dn2 = n2 % 10;
        carry_num = (dn1 + dn2 + carry_num)/10; 
        carry_count += carry_num > 0 ? 1 : 0;
        n1 = n1/10;
        n2 = n2/10;
    }
    
    return carry_count;
}


int main() {
    // must count the amount of carry operations, while, having a carry
    int n1, n2;
    int carry_count = 0;

    
    
    while(cin >> n1 >> n2 && (n1 != 0 || n2 != 0)) {
        carry_count = getCarryOps(n1, n2);
    
        if(carry_count > 1)
        {
            cout << carry_count << " carry operations." << endl;
        } 
        else if(carry_count == 1)
        {
            cout << "1 carry operation." << endl;
        }  
        else
        {
            cout << "No carry operations." << endl;
        }
    }
    
    
    
    
}