// $Id: ackermann.java,v 1.2 2005-05-13 16:24:17 igouy-guest Exp $ | |
// http://www.bagley.org/~doug/shootout/ | |
public class ackermann { | |
public static void main(String[] args) { | |
int num = Integer.parseInt(args[0]); | |
System.out.println("Ack(3," + num + "): " + Ack(3, num)); | |
} | |
public static int Ack(int m, int n) { | |
return (m == 0) ? (n + 1) : ((n == 0) ? Ack(m-1, 1) : | |
Ack(m-1, Ack(m, n - 1))); | |
} | |
} |