Decimal to Binary Conversion

Q. 99. C++ program to convert a Decimal number to its Binary format.

Copy Code:

#include <iostream>

using namespace std;

int main()

{

  int i, n, a[20];

  cout << "Enter a Number : ";

  cin >> n;

  for ( i=0 ; n>0 ; ++i )

  {

     a[i] = n%2;

     n = n/2;

  }

  cout << "Binary Equivalent is : ";

  for ( i = i-1 ; i>=0 ; --i )

       cout << a[i];

  return 0;

}