//---------------------------------------------------------------
//
// r1.cpp
//
// An example of a recursive function: factorial
//
// Written by: Simon Parsons
// Date: 28th November 2007
//

#include <iostream>
using namespace std;

int factorial ( int N ) {
  if ( N == 1 )
    return( 1 );
  else
    return( N * factorial( N-1 ));
} // end of factorial()


int main() {
  cout << "5! = " << factorial( 5 ) << endl;
}