reechy_test.rb

#!/usr/bin/ruby

variants = {}
headers = [  "рон",  "цумо", "рон Восток", "цумо Восток"]
%W[
  1-30        1000     1100        1500         1500
  1-40        1300     1500        2000         2100
  2-20        1300     1500        2000         2100
  2-30        2000     2000        2900         3000
  2-40        2600     2700        3900         3900
  3-20        2600     2700        3900         3900
  3-30        3900     4000        5800         6000
  3-40        5200     5200        7700         7800
  4-20        5200     5200        7700         7800
  4-30        7700     7900       11600        11700
  2-25        1600     -           2400         -
  3-25        3200     3200        4800         4800
  4-25        6400     6400        9600         9600
].each_slice(5) do |header2, *answers|
  variants[header2] = Hash[headers.zip(answers)]
end

# реакция на ctrl+c
trap "INT" do
  exit
end

puts "как надоест, скажи 'Весна, отстань'"

loop do
  header1, row = variants.to_a.sample
  header2, correct_answer = row.to_a.sample
  next if correct_answer == '-'
  question = header1 + ' ' + header2

  loop do
    print question
    print ": "

    answer = gets.chomp

    case answer
    when "Весна, отстань"
      puts "ну и пока"
      exit
    when "сдаюсь"
      print "правильный ответ: "
      puts correct_answer
      break
    when correct_answer
      puts "молодец!"
      break
    else
      puts "попробуй еще раз"
    end

  end

end