Advent of Code 2019 Solution Megathread - Day 20: Donut Maze

Jon Bristow - Dec 20 '19 - - Dev Community

Do you know what's better than one kind of interpreter? Two kinds of interpreter!

Day 20 - The Problem

We safely finished testing our tractor beam and have landed on Pluto to do some exploring.

Part 1 needs us to find the best path through a maze with warp tiles. Man, those Plutonians (Plutoids?) were good at using minimal space!

Part 2 reveals that the warp tiles actually move us up and down through recursive space, and we need to find the shortest path into a recursively generated maze.

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