cohei · March 16, 2015 03:17
diff --git a/distribute.rb b/distribute.rb
 def distribute(n, xs)
  xs.each_slice(n).map { |array| l = array.length ; array + [nil]*(n-l) }.transpose.map(&:compact)
 end

 distribute(3, (1..7)) #=> [[1, 4, 7], [2, 5], [3, 6]]
	def distribute(n, xs)
	xs.each_slice(n).map { \|array\| l = array.length ; array + [nil]*(n-l) }.transpose.map(&:compact)
	end

	distribute(3, (1..7)) #=> [[1, 4, 7], [2, 5], [3, 6]]