Here's some info on Advent of Code 2022. It's basically a series of coding puzzles. It's all for fun. I usually do the puzzles daily until the lore either becomes too much for me to bother with or I run into a problem you can only solve by already knowing an obscure mathematical proof.
Speaking of fun, this challenge is a blast, and it's all put together by volunteers. It's been a nice way to challenge yourself in December.
I don't normally have a ton of time to optimize, but I've tried to do the best I can with the time I set aside for doing these challenges. ๐