st · February 16, 2012 13:25 · st · Feb 16, 2012
diff --git a/monty_hall.rb b/monty_hall.rb
 @wins_sticky 	= 0
 @wins_change 	= 0
 @nb_parties 	= 1000
 @possibles    = [0, 1, 2]

 def play
  winner        = rand(3)  
  first_choose  = rand(3)
  others        = @possibles - [first_choose]
  discarded     = others.include?(winner) ? (others - [winner]).first : others[rand(2)]
  
  @wins_sticky +=1 if first_choose==winner
  @wins_change +=1 if (others - [discarded]).first==winner        
 end
  
 @nb_parties.times do
  play
 end

 puts "wins_sticky %  #{@wins_sticky.to_f / @nb_parties}"
 puts "wins_change %  #{@wins_change.to_f/ @nb_parties}"
	@wins_sticky = 0
	@wins_change = 0
	@nb_parties = 1000
	@possibles = [0, 1, 2]

	def play
	winner = rand(3)
	first_choose = rand(3)
	others = @possibles - [first_choose]
	discarded = others.include?(winner) ? (others - [winner]).first : others[rand(2)]

	@wins_sticky +=1 if first_choose==winner
	@wins_change +=1 if (others - [discarded]).first==winner
	end

	@nb_parties.times do
	play
	end

	puts "wins_sticky % #{@wins_sticky.to_f / @nb_parties}"
	puts "wins_change % #{@wins_change.to_f/ @nb_parties}"