Advent of Code 2023 (Elixir)

This repo contains my solutions for the 2023 Advent of Code. I took this opportunity to learn a new language I've been wanting to try out for some time, Elixir, a widely used Brazilian functional programming language.

What you'll find in here is mostly comprised of DSA, text manipulation and some other shenanigans.

Running

To run this project:

1. Install Erlang/OTP 25 (direct link)
2. Install Elixir (direct link)
3. Clone this repo
4. Run the day task

Tasks

mix day <day>.<part> [filename]

This command allows you to run the solution for the specific day and part, possibly using the provided filename as input.

If filename is absent, uses input.txt

Examples:

# Runs solution for Day 3 Part 2, using input.txt
mix day 3.2

# Runs solution for Day 4 Part 1, using test.txt
mix day 4.1 test

mix create <day>

Generates the following boilerplate for solving day:

advent_of_code/
├── (other solutions)
└── day_n/
    ├── part_1.ex
    ├── part_2.ex
    ├── input.txt
    └── test.txt

Each solution part is also initialized with some boilerplate code:

alias AdventOfCode.Utils

defmodule AdventOfCode.Day$day_number$.Part$part_number$ do
  def line_parser(line) do
    line
  end

  def run(file_name) do
    file_name
    |> Utils.parse_file(&line_parser/1)
  end
end

The $day_number$ and $part_number$ placeholders are replaced with the proper values during creation.