Day 01

Mix.install([
  {:kino, "~> 0.7.0"}
])

IEx.Helpers.c("/Users/johnb/dev/2023adventOfCode/advent_of_code.ex")
alias AdventOfCode, as: AOC
alias Kino.Input

Installation and Data

input_day = Kino.Input.number("Day")

input_p1example = Kino.Input.textarea("Example Data")

input_p1puzzleInput = Kino.Input.textarea("Puzzle Input")

input_source_select =
  Kino.Input.select("Source", [{:example, "example"}, {:puzzle_input, "puzzle input"}])

p1data = fn ->
  (Kino.Input.read(input_source_select) == :example &&
     Kino.Input.read(input_p1example)) ||
    Kino.Input.read(input_p1puzzleInput)
end

Part 1

Day 1: Trebuchet?!

defmodule Day01 do
  def only_digits_as_integer(line) do
    str = String.replace(line, ~r/[^\d]/, "", global: true)

    (String.at(str, 0) <> String.at(str, -1))
    |> String.to_integer()
  end

  def solve1(text) do
    text
    |> AOC.as_single_lines()
    |> Enum.map(&amp;only_digits_as_integer/1)
    |> Enum.sum()
  end

  def part_two_to_integer(line) do
    str =
      line
      |> String.replace(~r/zero/i, "z0ero")
      |> String.replace(~r/one/i, "o1ne")
      |> String.replace(~r/two/i, "t2wo")
      |> String.replace(~r/three/i, "t3hree")
      |> String.replace(~r/four/i, "f4our")
      |> String.replace(~r/five/i, "f5ive")
      |> String.replace(~r/six/i, "s6ix")
      |> String.replace(~r/seven/i, "s7even")
      |> String.replace(~r/eight/i, "e8ight")
      |> String.replace(~r/nine/i, "n9ine")
      |> String.replace(~r/[^\d]/, "", global: true)

    (String.at(str, 0) <> String.at(str, -1))
    |> String.to_integer()
  end

  def solve2(text) do
    text
    |> AOC.as_single_lines()
    # |> IO.inspect()
    |> Enum.map(&amp;part_two_to_integer/1)
    |> Enum.sum()

    # |> IO.inspect()
  end
end

# 1abc2
# pqr3stu8vwx
# a1b2c3d4e5f
# treb7uchet
# p1data.()
# |> Day01.solve1()
# 142
# 54159

p1data.()
|> Day01.solve2()

# 281
# 53866