shayarnett · July 26, 2021 13:44
diff --git a/escape_routes.rb b/escape_routes.rb
 class Integer
  def fact
    downto(1).inject(:*) || 1
  end
 end

 def escape_routes(streets, avenues)
  blocks = streets + avenues
  blocks.fact/streets.fact/avenues.fact
 end

 puts escape_routes(2,2) #=> 6
 puts escape_routes(10,10) #=> 184756
	class Integer
	def fact
	downto(1).inject(:*) \|\| 1
	end
	end

	def escape_routes(streets, avenues)
	blocks = streets + avenues
	blocks.fact/streets.fact/avenues.fact
	end

	puts escape_routes(2,2) #=> 6
	puts escape_routes(10,10) #=> 184756