//Convert integer to binary
//uses for, %
#include <iostream>
using namespace std;
void main()
{ int num, place;
  cout<<"Enter a number:";
  cin>>num;
  for (place=1;place<=num;place*=2); //find max. place 
  for (place/=2; place>=1;place/=2)  //print digits 
  { cout<<num/place;
    num=num%place;
  }  //for loop
  cout<<"\n";
} //main