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, 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, 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),
  {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),
  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),
  {Nodes, Max} = nodes(Content, 0, 0, {0,0}, #{}),
  Anti = maps:fold(fun(_, L, S) ->
    antinodes(L, L, Max, S)
  end, sets:new(), Nodes),