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Implement day 23 "longest route finding" Allows for "downhill only" and "can climb" approaches. But climbing still brute-forces the map and takes too long on the final input.
author IBBoard <dev@ibboard.co.uk>
date Thu, 04 Jan 2024 11:18:56 +0000
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31:47dc75915e91 32:a1b748f2c416
1 --- Day 23: A Long Walk ---
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3 You have a map made of blocked spaces (#), open spaces (.) and slopes (^, >, v, and <). You can't go back up slopes.
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5 What is the LONGEST route from the start (open space in the top row) to the end (open space in the bottom row).