/advent-of-code

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Advent of Code Solutions

My measly attempts at solving the Advent of Code challenges

2023 Notes

My favorites!

  • Day 6 (wow, math)
  • Day 14 - this was a journey, but I really had fun solving it and visualizing the map and "physics". It was very satisfying when I finally solved it.
  • Day 16 - nice story, enjoyed the visualizing and just the right amount of difficulty for me.

Where I struggled

Day 5, part 2

Still unsolved. Test is fine, but code is too inefficient to get the actual input solution.

Day 14, part 2

Lot of bugs and rewrites. When the logic was finally correct, it took forever to run. It wasn't until I got the hint from Reddit to detect cycles that I finally got the answer.

2022 Notes

My favorites!

  • Day 8
  • Day 9
  • Day 10
  • Day 14

Where I struggled

Day 11, part 2

Neeeded a small hint to finally click

Day 13, part 1

Code works in the test set but not actual input. Took forever to find the bug in my code. Resorted to looking at other people's solutions before I managed to fix it.

Day 15, part 2

(Not yet completed) Works in test. Running against input.txt takes too long. Need to re-evaluate the logic. Update: Caching saved the day!

Day 16, both parts

Needed a hint

Also, not sure why my part 2 test result is off by two but correct against actual input??

Day 19, both parts

Needed hints (esp. this) and mostly took forever to find the bug in my code :/