bench/shootout/ary.ruby

   1 #!/usr/bin/ruby
   2 # -*- mode: ruby -*-
   3 # $Id: ary.ruby,v 1.3 2004-06-20 08:39:45 bfulgham Exp $
   4 # http://www.bagley.org/~doug/shootout/
   5 # with help from Paul Brannan and Mark Hubbart
   6
   7 n = Integer(ARGV.shift || 1)
   8
   9 x = Array.new(n)
  10 y = Array.new(n, 0)
  11
  12 for i in 0 ... n
  13   x[i] = i + 1
  14 end
  15
  16 (0 .. 999).each do
  17   (n-1).step(0,-1) do |i|
  18     y[i] += x.at(i)
  19   end
  20 end
  21
  22 puts "#{y.first} #{y.last}"