alanjcfs

# Rock Paper Scissors is a usual game

class Opponent
  def initialize
    @rps = ['rock', 'paper', 'scissors']
  end

  def play
    @rps[rand 3]
  end

alanjcfs

t = Time.now
dayth = t.yday
last_digit = dayth.to_s.slice(-1, 1).to_i

def ordinal(last_digit)
    case last_digit
    when 1
        "st"
    when 2
        "nd"

alanjcfs

class Binary_heap
  def initialize(num = 10)
    @ary = Array.new
    num.times do @ary << rand(100) end
  end
  
  attr_reader :items, :ary
  
  def binary_heap()
    @ary.unshift(nil)