Advent of Code 2023 - Day 17

vkatsuba · December 17, 2023, 10:32am

Hello, coding champions! Ukrainian Erlanger here , and it’s a sensational Sunday. Today marks Day 17 of our enthralling journey through Advent of Code, bringing a new puzzle to challenge your coding skills. Take on the challenge, unravel the intricacies, and don’t forget to showcase your ingenious solutions in the comments below. Let’s make this Sunday a day of coding triumph and continue fostering the collaborative coding spirit! Happy coding, folks!

wfv · December 18, 2023, 4:02am

Done with a horrifically naive priority queue implementation. But hey, I can use the extra run-time to grab a beer while I wait for the answer.

github.com

wfvining/aoc2023/blob/main/day17/day17.erl

-module(day17).

-compile(export_all).

load_input(Path) ->
    {ok, File} = file:open(Path, [read]),
    Grid = parse_grid(File),
    file:close(File),
    array:from_list(Grid).

parse_grid(File) ->
    case file:read_line(File) of
        eof ->
            [];
        {ok, Line} ->
            L = [list_to_integer([X]) || X <- string:trim(Line)],
            [array:from_list(L) | parse_grid(File)]
    end.

width(Grid) ->

This file has been truncated. show original