Please forward to ruby quiz submission

ruby-talk
1

From: "Matt Murphy" <mmmurf@gmail.com>
Date: July 13, 2007 12:10:35 PM CDT
To: submission@rubyquiz.com
Subject: please forward to ruby quiz submission

require 'set'
a = [-1, 2, 5, -1, 3, -2, 1]
min = 0
max = a.size - 1

subs = Set.new

(min..max).each do |x|
  (min..max).each do |y|
    subs << a[x,y]
    subs << a[y,x]
  end
end

puts subs.sort_by{|arr| arr.inject(0){|sum,element| element + sum } }.reverse.first.inspect

···

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