The World According to Scott

Mix.install([ {:kino, "~> 0.7.0"} ]) Common Code defmodule Transpose do def it([[] | _]), do: [] def it(list) when is_list(list) do [Enum.map(list, &hd/1) | it(Enum.map(list, &tl/1))] end end Input input = Kino.Input.textarea("Input") [stacks, instructions] = input |> Kino.Input.read() |> String.split("\n\

Mix.install([ {:kino, "~> 0.7.0"} ]) Common Code defmodule Priority do @values "abcdefghijklmnopqrstuvwzyzABCDEFGHIJKLMNOPQRSTUVWXYZ" |> String.graphemes() |> Enum.with_index() |> Map.new() def of(char), do: Map.get(@values, char) + 1 def from_mapset(ms) do list = MapSet.to_list(ms) case Enum.count(list) do 1 -> list |> hd() |> of() _ ->

Mix.install([ {:kino, "~> 0.7.0"} ]) Shared code defmodule RPS do @moves [:rock, :paper, :scissors] @size Enum.count(@moves) def result(move, move) when move in @moves, do: :tie def result(move1, move2) do index1 = Enum.find_index(@moves, &(&1 == move1)) index2 = Enum.find_index(@moves, &(&1 == move2)) cond do

AOC 2022-01 (Calories) Mix.install([ {:kino, "~> 0.7.0"} ]) Input The Elves take turns writing down the number of Calories contained by the various meals, snacks, rations, etc. that they've brought with them, one item per line. Each Elf separates their own inventory from the previous Elf's inventory (if any)