Konversi bilangan ke Biner

//Program tentang konversi bilangan ke biner
class toBinary:public number
{
public:
          void print_it()
                    {
                    int num;
                    int total = 0;
                    stack reverse;
                    int ctr=0;
                    cout << "Masukkan angka desimal : ";
                    cin >> num;
                    cout << "Angka yg anda masukkan : " << num <<endl;
            cout << "Angka biner dari "<< num <<" adalah : ";
                         while(num > 0)
                               {
                                   total = num % 2;
                                   num /= 2;
                               reverse.push(total);
                               ctr++;
                           }
                         while (ctr > 0)
                              {
                                   cout << reverse.pop() << " ";
                                   ctr--;
                               }
                    }
};