Quiz 6

#include <iostream>
using namespace std;

int GCD(int A, int B){
  float r = 0, q = 0;
  if ((A == 0) && (B == 0)) {
    return cout << "ERROR! This is one is not defined. Because you can't divide anything by zero"<< endl;
  }
  if (A==0) {
    return B;
  }
  if (B==0) {
    return A;
  }
  if (A > B) {
    do {
      q = (A/B);
      r = (A%B);
      A = B;
      B = r;

    } while(B != 0);
    return A;

  }
  if (B > A) {
    do {
      q = (B/A);
      r = (B%A);
      B = A;
      A = r;

    } while(A != 0);
    return B;
  }
  return 0;
}
int main(){
  int A, B;
  cout << "This program will give you the GCD of the 2 numbers you'll provide"<< endl;
  cout << "Give the first number ";
  cin >> A;
  cout << "Give the second number ";
  cin >> B;
  cout << "The GCD of A and B is " << GCD(A, B);
  cout << endl;

  return 0;

}