FP with Elixir: 04

Author: imteekay

elixir/learn-fp-with-elixir/02.variables-and-functions/exercises/04.ex

@@ -0,0 +1,22 @@
+defmodule MatchstickFactory do
+  def boxes(matchsticks) do
+    big = div(matchsticks, 50)
+    remaining_after_big = rem(matchsticks, 50)
+
+    medium = div(remaining_after_big, 20)
+    remaining_after_medium = rem(remaining_after_big, 20)
+
+    small = div(remaining_after_medium, 5)
+    remaining_matchsticks = rem(remaining_after_medium, 5)
+
+    %{
+      big: big,
+      medium: medium,
+      small: small,
+      remaining_matchsticks: remaining_matchsticks
+    }
+  end
+end
+
+IO.inspect MatchstickFactory.boxes(98)
+IO.inspect MatchstickFactory.boxes(39)