[Advent of Code 2021] Day 11 | Dumbo Octopus

Day 11 - Bioluminescent dumbo octopuses 🐙 which eventually synchronously flash?? Breadth-first search very similar to day 9

[Advent of Code 2021] Day 10 | Syntax Scoring

Day 10 - Stacks on stacks for corrupted and incomplete brackets <{[()]}> 🦈

[Advent of Code 2021] Day 9 | Smoke Basin

Day 9 - Searching smoke basins height-map with depth-first search and memoization 🌊

[Advent of Code 2021] Day 8 | Seven Segment Search

Day 8 - This one felt like a puzzle for figuring out what set operations could help narrow down options 🧩

[Advent of Code 2021] Day 7 | The Treachery of Whales

Day 7 - Crabs 🦀 and whales 🐳 understanding median and mean for sorted lists is helpful here