13
๐ - 2023 DAY 13 SOLUTIONS -๐
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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.
Solution Threads
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Icon base by Lorc under CC BY 3.0 with modifications to add a gradient
console.log('Hello World')
Nim
Part 1: For part 1 I just compare rows, then transpose matrix and compare rows again.
Part 2: For part 2 I compare rows and get symmetry type for each comparison: symmetric(==), almost symmetric (1 smudge), not symmetric (2+ difference). Then I just use two booleans to make sure we found exactly one smudge in each mirror.
Total runtime: 0.3 ms
Puzzle rating: 6/10
Code: day_13/solution.nim