🎉 Day one finished

Author: jmartins-sh

.vscode/settings.json

@@ -0,0 +1,18 @@
+{
+    // Based on Elixir formatter's style
+    "editor.insertSpaces": true,
+    // Note: While it is possible to override this in your VSCode configuration, the Elixir Formatter
+    // does not support a configurable tab size, so if you override this then you should not use the
+    // formatter.
+    "editor.tabSize": 2,
+    "files.trimTrailingWhitespace": true,
+    "files.insertFinalNewline": true,
+    "files.trimFinalNewlines": true,
+    // Provides smart completion for "do" and "fn ->" blocks. Does not run the Elixir formatter.
+    "editor.formatOnType": true,
+    // Misc
+    "editor.wordBasedSuggestions": false,
+    "editor.trimAutoWhitespace": false,
+    "elixirLS.projectDir": "${workspaceFolder}/elixir_puzzles/mix.exs",
+    "elixirLS.enableTestLenses": true
+}

elixir/day_01/lib/day01.ex

@@ -20,7 +20,7 @@ erl_crash.dump
 *.ez
 
 # Ignore package tarball (built via "mix hex.build").
-day_01-*.tar
+elixir_puzzles-*.tar
 
 # Temporary files, for example, from tests.
 /tmp/

elixir/day_01/test/day01_test.exs

@@ -1,21 +1,21 @@
-# Day01
+# ElixirPuzzles
 
 **TODO: Add description**
 
 ## Installation
 
 If [available in Hex](https://hex.pm/docs/publish), the package can be installed
-by adding `day_01` to your list of dependencies in `mix.exs`:
+by adding `elixir_puzzles` to your list of dependencies in `mix.exs`:
 
 ```elixir
 def deps do
   [
-    {:day_01, "~> 0.1.0"}
+    {:elixir_puzzles, "~> 0.1.0"}
   ]
 end
 ```
 
 Documentation can be generated with [ExDoc](https://github.com/elixir-lang/ex_doc)
 and published on [HexDocs](https://hexdocs.pm). Once published, the docs can
-be found at <https://hexdocs.pm/day_01>.
+be found at <https://hexdocs.pm/elixir_puzzles>.
 

elixir/day_01/.formatter.exs elixir_puzzles/.formatter.exs

@@ -0,0 +1,54 @@
+defmodule AdventOfCode.Day01 do
+  @moduledoc """
+  Documentation for `Day01`.
+  """
+
+  def part_one() do
+    input = File.read!("./lib/day01/input.txt")
+
+    input
+    |> input_to_list
+    |> Enum.map(&remove_alphanumerics/1)
+    |> Enum.map(fn x ->
+      (x |> String.first()) <> (x |> String.last())
+    end)
+    |> Enum.map(&String.to_integer/1)
+    |> Enum.sum()
+  end
+
+  def part_two() do
+    input = File.read!("./lib/day01/input.txt")
+
+    only_numbers = input
+    |> input_to_list
+    |> Enum.map(fn x -> x |> convert_text_to_number |> remove_alphanumerics end)
+
+
+    only_numbers
+    |> Enum.map(fn x ->
+      (x |> String.first()) <> (x |> String.last())
+    end)
+    |> IO.inspect
+    |> Enum.map(&String.to_integer/1)
+    |> Enum.sum()
+  end
+
+  def remove_alphanumerics(line), do: String.replace(line, ~r/[^\d]/, "")
+  def input_to_list(input), do: String.split(input, "\n", trim: true)
+
+  # Elixir always check from up to down which pattern to match
+  def convert_text_to_number("one" <> rest), do: "1" <> convert_text_to_number("e" <> rest)
+  def convert_text_to_number("two" <> rest), do: "2" <> convert_text_to_number("o" <> rest)
+  def convert_text_to_number("three" <> rest), do: "3" <> convert_text_to_number("e" <> rest)
+  def convert_text_to_number("four" <> rest), do: "4" <> convert_text_to_number("r" <> rest)
+  def convert_text_to_number("five" <> rest), do: "5" <> convert_text_to_number("e" <> rest)
+  def convert_text_to_number("six" <> rest), do: "6" <> convert_text_to_number("x" <> rest)
+  def convert_text_to_number("seven" <> rest), do: "7" <> convert_text_to_number("n" <> rest)
+  def convert_text_to_number("eight" <> rest), do: "8" <> convert_text_to_number("t" <> rest)
+  def convert_text_to_number("nine" <> rest), do: "9" <> convert_text_to_number("e" <> rest)
+  def convert_text_to_number(<<char, rest::binary>>), do: <<char>> <> convert_text_to_number(rest)
+  # For some reason the operations are leaving an empty char thats why I had to made this pattern
+  def convert_text_to_number(""), do: ""
+
+
+end

elixir/day_01/.gitignore elixir_puzzles/.gitignore

@@ -1,9 +1,9 @@
-defmodule Day01.MixProject do
+defmodule ElixirPuzzles.MixProject do
   use Mix.Project
 
   def project do
     [
-      app: :day_01,
+      app: :elixir_puzzles,
       version: "0.1.0",
       elixir: "~> 1.15",
       start_permanent: Mix.env() == :prod,