Find Digits - https://www.hackerrank.com/challenges/find-digits

find_digits.cpp

#include <iostream>

using namespace std;

int main(){
    int t;
    cin >> t;
    for(int a0 = 0; a0 < t; a0++){
        int n;
        cin >> n;
        
        int count = 0;       
        int quotient = n;
        int remainder = quotient%10;
      
        while (quotient > 9) {
            if (remainder != 0 && n%remainder == 0) ++count;
            quotient /= 10;
            remainder = quotient%10;           
        }
        if (quotient != 0 && n%quotient == 0) ++count;
      
        cout << count << endl;
    }
    return 0;
}