How to countdown to 0 C++

Question

I need to count down to 0. I am only printing 0 to the screen. How can I print all the count-down characters to the screen? Below is the code I am using right now.

#include <stdio.h>
#include <iostream>
using namespace std;

class Solution {
public:
    int num;
    int numberOfSteps (int num) 
    {
      while (num != 0)
      {
        if (num % 2 == 0)
          {
            num = num / 2;
            cout << num;
          }
        else
        {
            num = num - 1;
            cout << num;
        }
    }

    }
};
int main () {
    int num;
    Solution myObj;
    cin >> num;
    cout << myObj.num;
    }

Answer 1

I am revisiting this question and have created a simpler solution than my original post:

    #include <iostream>

    using namespace std;

    int num;

    int main()
    {
    cout << "Please enter the number you would like to count down to zero : ";
    cin >> num;

        while (num > 0)
        {
            cout << num << endl; 
            num--;
        }

    cout << "The number is now zero.";
    return 0;
    }