Doi so thap phan sang nhi phan

#include"iostream"
#include"conio.h"
#include"string.h"
using namespace std;
main()
{
int a,i=0;
int b[10];
cout<<"\nNhap mot so nguyen:"; cin>>a;
cout<<"\nSo dang nhi phan:\n"; do { b[i]=a%2; a=a/2;i=i+1; }while(a!=0); for(int j=i-1;j>=0;j--)
cout< getch();
}
}