二进制转换

#include<iostream>
using namespace std;
void dec2bin(int a)
{
    int b;
    b=a%2;
    a=a/2;
    if(a==0)
    {
        b=1;
    }
    else
    {
    dec2bin(a);
    }
    cout<<b<<" ";

}

int main()
{
    int n;
    cout<<"请输入一个整数";
    cin>>n;
    cout<<"对应的二进制数为";
    dec2bin(n);
    return 0;

}