1#!/usr/bin/ruby
2# -*- mode: ruby -*-
3# $Id: ackermann-ruby.code,v 1.4 2004/11/13 07:40:41 bfulgham Exp $
4# http://www.bagley.org/~doug/shootout/
5
6def ack(m, n)
7    if m == 0 then
8        n + 1
9    elsif n == 0 then
10        ack(m - 1, 1)
11    else
12        ack(m - 1, ack(m, n - 1))
13    end
14end
15
16NUM = 9
17ack(3, NUM)
18
19
20