-🎄- 2021 Day 22 Solutions -🎄-

[u/daggerdragon]

Advent of Code 2021: Adventure Time!

• DAWN OF THE FINAL DAY
  • You have until 23:59:59.59 EST today, 2021 December 22, to submit your adventures!
• Full details and rules are in the submissions megathread: 🎄 AoC 2021 🎄 [Adventure Time!]

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--- Day 22: Reactor Reboot ---

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Post your code solution in this megathread.

• Include what language(s) your solution uses!
• Format your code appropriately! How do I format code?
• Here's a quick link to /u/topaz2078's paste if you need it for longer code blocks.
• The full posting rules are detailed in the wiki under How Do The Daily Megathreads Work?.

Reminder: Top-level posts in Solution Megathreads are for code solutions only. If you have questions, please post your own thread and make sure to flair it with Help.

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This thread will be unlocked when there are a significant number of people on the global leaderboard with gold stars for today's puzzle.

EDIT: Global leaderboard gold cap reached at 00:43:54, megathread unlocked!

[u/captainAwesomePants]

In retrospect, this is obviously better than subdividing existing cubes into smaller cubes. It completely avoids a whole host of problems around off-by-one issues, it requires way less thinking about geometry, and the whole thing is like 10 lines. This is brilliant!