turukame.rb

# -*- coding: utf-8 -*-

@turu = { :head => 1, :leg => 2, :wing => 2 }
@kame = { :head => 1, :leg => 4, :wing => 0 }
@tonbo = { :head => 1, :leg => 6, :wing => 4 }

raise ArgumentError if [@turu, @kame, @tonbo].any? { |a| a[:head] != 1 }

def calc(head, leg, wing)
  (0..head).each do |t|
    (0..(head - t)).each do |k|
      to = head - t - k
      legs = t * @turu[:leg] + k * @kame[:leg] +  to * @tonbo[:leg]
      wings = t * @turu[:wing] + k * @kame[:wing] + to * @tonbo[:wing]
      puts "turu:#{t}, kame:#{k}, tonbo:#{to}" if legs == leg && wings 
    end
  end
end


head = 12
leg = 54
wing = 30

calc(head, leg, wing)