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

#include <iostream>
using namespace std;

int power( int x, int y ) {
  if ( y == 0 )
    return( 1 );
  else
    return( x * power( x, y-1 ));
} // end of power()

int main() {
  cout << "2^3 = " << power( 2,3 ) << endl;
}