grauwoelfchen · March 11, 2013 16:36
diff --git a/shift_multi.rb b/shift_multi.rb
 def shift_multi(x, y)
  m = 0 
  while x > 1 
    if x.even?
      y = (y << 1) # * 2 
      x = (x >> 1) # / 2 
    else
      m += y
      x -= 1
    end 
  end 
  y += m
 end
	def shift_multi(x, y)
	m = 0
	while x > 1
	if x.even?
	y = (y << 1) # * 2
	x = (x >> 1) # / 2
	else
	m += y
	x -= 1
	end
	end
	y += m
	end