Representasi Desimal Ke Binary

#include <iostream>
#include <conio>

using namespace std;

void print (float*, int);
string binarry(int);
int main(int argc, char* argv[])
{    int x;
    cout << "Konversi desimal ke binner \n";
    cout << "Masukkan harga X : "; cin >> x;
    string s = binary(X);
    cout << "binary dari X    : " << s << "\n";
    getch();
    return 0;
}
string binary(int n)
{    string s;
    if (n%2 == 0) s ="0"; else s ="1";
    if (n < 2) return s;
    return binary(n/2)+s;
}