AOC 2023

AOC helper

defmodule AOCHelper do
  def to_int_list(txt_file) do
    txt_file
    |> File.read!()
    |> String.split("\n", trim: true)
    |> Enum.map(fn list ->
      String.split(list) |> Enum.map(&String.to_integer/1)
    end)
  end
end

# defmodule Day do
#   @file_path "/Users/leizhou/Dev/learn_x/aoc/2023/day.txt"
#   def part1 do
#   end

#   def part2 do
#   end
# end

# IO.inspect(%{day_part1: Day.part1()})
# IO.inspect(%{day_part2: Day.part2()})

Day 1

defmodule Day do
  @file_path "/Users/leizhou/Dev/learn_x/aoc/2023/day1.txt"
  def part1 do
    File.read!(@file_path)
    |> String.split("\n", trim: true)
    |> Enum.reduce(0, fn string, acc ->
      [[_, left]] = Regex.scan(~r/^\D*(\d)/, string)
      [[_, right]] = Regex.scan(~r/(\d)\D*$/, string)
      acc + String.to_integer(left <> right)
    end)
  end

  def part2 do
  end
end

IO.inspect(%{day_part1: Day.part1()})
# IO.inspect(%{day_part2: Day.part2()})