Data commit

Task/Sierpinski-carpet/Elixir/sierpinski-carpet.elixir

@@ -0,0 +1,16 @@
+defmodule RC do
+  def sierpinski_carpet(n), do: sierpinski_carpet(n, ["#"])
+
+  def sierpinski_carpet(0, carpet), do: carpet
+  def sierpinski_carpet(n, carpet) do
+    new_carpet = Enum.map(carpet, fn x -> x <> x <> x end) ++
+                 Enum.map(carpet, fn x -> x <> String.replace(x, "#", " ") <> x end) ++
+                 Enum.map(carpet, fn x -> x <> x <> x end)
+    sierpinski_carpet(n-1, new_carpet)
+  end
+end
+
+Enum.each(0..3, fn n ->
+  IO.puts "\nN=#{n}"
+  Enum.each(RC.sierpinski_carpet(n), fn line -> IO.puts line end)
+end)