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ruby--ruby/benchmark/bm_so_ackermann.rb
shyouhei fd81221a8e set svn:eol-style
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@11708 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2007-02-12 23:01:19 +00:00

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Ruby

#!/usr/bin/ruby
# -*- mode: ruby -*-
# $Id: ackermann-ruby.code,v 1.4 2004/11/13 07:40:41 bfulgham Exp $
# http://www.bagley.org/~doug/shootout/
def ack(m, n)
if m == 0 then
n + 1
elsif n == 0 then
ack(m - 1, 1)
else
ack(m - 1, ack(m, n - 1))
end
end
NUM = 9
ack(3, NUM)