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 2023

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⚙️ - 2023 DAY 19 SOLUTIONS -⚙️ (programming.dev)

submitted 8 months ago* (last edited 8 months ago) by [email protected] to c/[email protected]

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Day 19: Aplenty

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[–] [email protected] 2 points 8 months ago

Part 1 was pretty straightforward. For part 2 I made an ItemRange type that's just one integer range for each attribute. I also made a split function that returns two ItemRange objects, one for the values that match the specified rule, and the others for the unmatched values. When iterating through the workflows, I start a new recursion branch to process any matching values, and continue stepping through with the unmatched values until none remain or they're accepted/rejected.