joeytrapp

MIT License

© 2025 Apple Inc. All rights reserved.

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

joeytrapp

-module(aoc).

-export([main/1]).

main([Path]) ->
  {ok, Content} = file:read_file(Path),
  {Nodes, Max} = nodes(Content, 0, 0, {0,0}, #{}),
  Anti = maps:fold(fun(_, L, S) ->
    antinodes(L, L, Max, S)
  end, sets:new(), Nodes),

joeytrapp

-module(aoc).

-export([main/1]).

main([Path]) ->
  {ok, Content} = file:read_file(Path),
  Data = parse(Content),
  io:format("Result: ~p~n", [lists:sum(lists:map(fun test/1, Data))]),
  erlang:halt(0).

joeytrapp

-module(aoc).

-export([main/1]).

main([Path]) ->
  {ok, Content} = file:read_file(Path),
  {Grid, [Guard]} = parse(Content),
  Complete = rounds(Grid, Guard),
  Tests = sets:del_element(element(2, Guard), Complete),
  io:format("Visited: ~p~n", [sets:size(Complete)]),

joeytrapp

-module(aoc).

-export([main/1]).

main([Path]) ->
    {ok, Content} = file:read_file(Path),
    {Rules, Edits} = parse(Content),
    {Correct, Incorrect} = classify_edits(Edits, Rules),
    Corrected = corrections(Incorrect, Rules),
    io:format("Originally Correct: ~p~n", [sum_of_middles(Correct)]),

joeytrapp

-module(aoc).

-export([main/1]).

main([Path]) ->
  {ok, Content} = file:read_file(Path),
  Data = fill(Content),
  YSize = array:size(Data),
  XSize = array:size(array:get(0, Data)),
  persistent_term:put(?MODULE, Data),

joeytrapp

-module(aoc).

-export([main/1]).

main([Path]) ->
  {ok, Data1} = file:read_file(Path, [read, binary]),
  io:format("Without modes: ~p~n", [read_char(Data1, skip, 0)]),
  {ok, Data2} = file:read_file(Path, [read, binary]),
  io:format("With modes: ~p~n", [read_char(Data2, do, 0)]),
  erlang:halt(0).

joeytrapp

-module(aoc).

-export([main/1]).

main([Path]) ->
  {ok, Data} = parse(Path),
  io:format("Safe: ~p~n", [lists:sum(lists:map(fun is_safe/1, Data))]),
  io:format("Dampened: ~p~n", [lists:sum(lists:map(fun is_less_safe/1, Data))]),
  erlang:halt(0).

joeytrapp

-module(aoc).

-export([main/1]).

-import(file, [read_file/1]).
-import(lists, [unzip/1, map/2, zip/2, sort/1, foldl/3, filter/2, sum/1]).
-import(maps, [get/3, update_with/4]).
-import(string, [is_empty/1, split/3, trim/1]).

main([Path]) ->

joeytrapp

Mix.install(
  [
    {:phoenix_playground, "~> 0.1.6"},
    {:phoenix_test, "~> 0.3.2"}
  ],
  config: [
    phoenix_test: [endpoint: Demo.Endpoint],
    phoenix_playground: [
      {Demo.Endpoint,
       [