Zero-prefix numbers

2020/day6/day6.ex

@@ -1,37 +0,0 @@
-defmodule Day6 do
-  defp read_input do
-    Path.expand('input', Path.dirname(__ENV__.file))
-    |> File.read!()
-  end
-
-  def part1 do
-    read_input()
-    |> String.split("\n\n")
-    |> Enum.map(fn block ->
-      String.split(block)
-      |> Enum.reduce(MapSet.new(), fn line, set ->
-        MapSet.union(set, MapSet.new(String.codepoints(line)))
-      end)
-    end)
-    |> Enum.map(&MapSet.size/1)
-    |> Enum.sum()
-  end
-
-  def part2 do
-    alphabet = String.codepoints("abcdefghijklmnopqrstuvwxyz")
-
-    read_input()
-    |> String.split("\n\n")
-    |> Enum.map(fn block ->
-      String.split(block)
-      |> Enum.reduce(MapSet.new(alphabet), fn line, set ->
-        MapSet.intersection(set, MapSet.new(String.codepoints(line)))
-      end)
-    end)
-    |> Enum.map(&MapSet.size/1)
-    |> Enum.sum()
-  end
-end
-
-Day6.part1() |> IO.inspect()
-Day6.part2() |> IO.inspect()