#ruby-202104231410.rb

class Hostel
  attr_accessor :anv, :bnv
  ITEM_NAMES = %w[av bv] # or ['av', 'bv']

  def initialize
    @items = ITEM_NAMES.to_h { |name| [name, []] }
  end
  
  ITEM_NAMES.each do |name|
    class_eval <<~RUBY, __FILE__, __LINE__ + 1
      def #{name}
        @items[#{name.inspect}]
      end
    
      def #{name}=(value)
        @items[#{name.inspect}] = value
      end
    RUBY
  end

  def allot_houses(num, cs, fp)
    key = "#{cs}#{fp}"
    if @items.key?(key)
      @items[key].push(num)
    else
      puts 'Nope'
    end
  end
end