this post was submitted on 16 Dec 2024
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Advent of Code Week 3 - you're lost in a maze of twisty mazes, all alike (awful.systems)
submitted 1 week ago* (last edited 6 days ago) by [email protected] to c/[email protected]
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Problem difficulty so far (up to day 16)

  1. Day 15 - Warehouse Woes: 30m00s
  2. Day 12 - Garden Groups: 17m42s
  3. Day 14 - Restroom Redoubt: 15m48s
  4. Day 09 - Disk Fragmenter: 14m05s
  5. Day 16 - Reindeer Maze: 13m47s
  6. Day 13 - Claw Contraption: 11m04s
  7. Day 06 - Guard Gallivant: 08m53s
  8. Day 08 - Resonant Collinearity: 07m12s
  9. Day 11 - Plutonian Pebbles: 06m24s
  10. Day 04 - Ceres Search: 05m41s
  11. Day 02 - Red Nosed Reports: 04m42s
  12. Day 10 - Hoof It: 04m14s
  13. Day 07 - Bridge Repair: 03m47s
  14. Day 05 - Print Queue: 03m43s
  15. Day 03 - Mull It Over: 03m22s
  16. Day 01 - Historian Hysteria: 02m31s
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[–] [email protected] 4 points 1 week ago (2 children)

16!

p1I used A*, though mathematically I would have been fine with Dijkstra's. Also, here's how I remember how to spell Dijkstra: ijk is in alphabetical order.

p2If you've implemented path/back tracking on a search algo before, this wasn't too bad, though instead of tracking best parent you need to track equivalently best parents. Woke AOC trying to normalise families with more than two parents, SMH

[–] [email protected] 3 points 6 days ago

Fun fact, dijk means dike (the land/water barrier) in Dutch.

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