Teaching and learning resources • Re: Advent of Code 2023

Oh no! I just got to part 2 of day 21. How do I store an infinite grid on a Raspberry Pi Zero?

You don't! Take a look at your input data with a text editor that can shrink the font to almost nothing. Do you see a pattern now?

I asked Fido whose head characteristically turned to one side one floppy ear flopped over the other. The result was

The dog developer started barking about diamonds, but upon turning my head sideways what I saw was a sidewalk around the edge and a sidewalk running right through the middle in both directions.

My plan is to create reachability counts for any number of steps starting from the sidewalks at each of the four corners and sides then paste them together.

Fido yawned and growled don't wake me up when that fails. I wasn't planning to.

Statistics: Posted by ejolson — Sat Jan 27, 2024 5:22 am

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