Day 12: Garden Groups

Megathread guidelines

  • Keep top level comments as only solutions, if you want to say something other than a solution put it in a new post. (replies to comments can be whatever)
  • You can send code in code blocks by using three backticks, the code, and then three backticks or use something such as https://topaz.github.io/paste/ if you prefer sending it through a URL

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2 points
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1.8s now. 99% of that in Sides. I’ve just had an idea though… maybe too late for today though!

edit: prepending ≡⍚(-¤⊸/↧) toFields spared me from manipulating hundreds of irrelevant 0’s, so time is very good now at 55ms.

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2 points

Damn that’s a lot time saved. I love how unassuming the addition looks for how great an effect it has

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1 point

It was a real D’oh! moment when I visualised the data I was generating and saw all the zeros stretching across the page.

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Advent Of Code

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An unofficial home for the advent of code community on programming.dev!

Advent of Code is an annual Advent calendar of small programming puzzles for a variety of skill sets and skill levels that can be solved in any programming language you like.

AoC 2024

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