gistfile1.txt

#!/usr/bin/env ruby

class CashMachine
  available_cash = [100, 50, 20, 10]
  banknotes = {};

  print "What value you whish take out? "
  value = gets.chomp
  value = value.to_i

  (0..available_cash.length).each do |cash|
    break if cash == 4
    count = 0

    if available_cash[cash] <= value
      count = count + 1
      banknotes[available_cash[cash]] = count
      value -= available_cash[cash]
    end
  end

  banknotes.each {|k, v|
    p  "Entregue #{v} de #{k}"
  }
end