Decimal to Binary

#include <iostream>
using namespace std;

void dec2bin(int d, int limit)
{
    if (d != 0) {
        if (limit == 4) {
            dec2bin(d / 2, 0);
            cout << (d%2);
            cout << ' ';
        } else {
            dec2bin(d / 2, limit+1);
            cout << (d%2);
        }
    }
}

int main() {
    int d;
    cout << "Masukkan angka: "; cin >> d;
    cout << "Hasilnya: ";   dec2bin(d, 0);
    return 0;
}