Another update from ingydotnet^djgoku

Task/ABC-Problem/Elixir/abc-problem.elixir

@@ -0,0 +1,16 @@
+defmodule ABC do
+  def can_make_word(word, avail) do
+    can_make_word(String.upcase(word) |> to_char_list, avail, [])
+  end
+
+  defp can_make_word([], _, _), do: true
+  defp can_make_word(_, [], _), do: false
+  defp can_make_word([l|tail], [b|rest], tried) do
+    (Enum.member?(b,l) and can_make_word(tail, rest++tried, []))
+    or can_make_word([l|tail], rest, [b|tried])
+  end
+end
+
+blocks = ~w(BO XK DQ CP NA GT RE TG QD FS JW HU VI AN OB ER FS LY PC ZM)c
+~w(A Bark Book Treat Common Squad Confuse) |>
+Enum.map(fn(w) -> IO.puts "#{w}: #{ABC.can_make_word(w, blocks)}" end)