Is Functional Programming Better For This Bingo Problem? (José Valim's Advent of Code Day 4)
Check out how José Valim solved this problem with Elixir and LiveBook! Subscribe to stay tuned for the next ones.
Support me on Ko-Fi: https://ko-fi.com/sekun
I intentionally excluded the Nx solutions since it's experimental and dense with explanations (they deserve their own video!). I will upload a separate video for the Nx solutions.
Playlist: https://www.youtube.com/playlist?list...
José Valim's broadcasts - / josevalim
AoC repo: https://github.com/josevalim/aoc
Elixir: https://elixir-lang.org
LiveBook: https://livebook.dev
Kino: https://github.com/livebook-dev/kino
00:00 - Introduction
00:12 - Part 1: Problem reading
01:26 - Parse numbers
02:08 - Parse boards
02:43 - Twitch chat: Why use tuples over lists?
02:58 - Parse boards cont.
04:10 - Remark on creating a board abstraction
04:23 - Twitch chat: `String.split()` is the same as `String.split(" ", trim: true)
04:31 - Parse boards cont.
05:45 - Getting board numbers, and positions
07:49 - Other approaches you could take
08:18 - Discussing next steps
08:27 - Using `Enum.reduce_while` and when to use it
09:42 - Implementing marking of numbers
12:26 - Checking if a board won
13:47 - José struggles
13:53 - Checking if a board won cont.
16:56 - Install Kino in LiveBook
17:01 - Adding a textarea to the notebook
17:19 - Reading data from textarea
17:46 - Automatically reevaluate a cell when input changes
18:02 - Part 2: Problem reading
18:26 - Reorganizing notebook sections
19:43 - Reject winning boards
22:18 - Submit part 2 answer
Outro Music
Title: You and Me
Artist: Sharou ( / @sharou )
Link: / @sharou
Bingo photo: https://www.pexels.com/photo/number-o...
#AdventOfCode2021 #AdventOfCode #Elixir