ランダムに2チームへ分けるスクリプト 超人パワー編

lunch.rb

#!/usr/bin/env ruby

srand(Time.local(2012, 8, 2).to_i)

class Member
  attr_reader :name, :power
  def initialize(name)
    @name = name
    @power = rand
  end
end

members = ARGF.map do |name|
  Member.new(name.chomp)
end

def members.choose!
  delete_at(rand(count))
end

a_team = []
b_team = []
teams = [a_team, b_team]
while members.count != 0
  if members.count == 1
    teams[rand(2)] << members.choose!
    break
  end

  red = members.choose!
  blue = members.choose!

  if red.power > blue.power
    a_team << red
    b_team << blue
  else
    a_team << blue
    b_team << red
  end
end

puts "A: #{a_team.map {|member| member.name }.join(' ')}"
puts "B: #{b_team.map {|member| member.name }.join(' ')}"