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๐ - 2023 DAY 13 SOLUTIONS -๐
(programming.dev)
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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.
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console.log('Hello World')
Nim
This one was a nice change of pace after the disaster of day 12. For part 1 I kept a list of valid column indexes, and checked those columns in each row for reflections, eliminating columns from the list as I went. To find vertical reflections, I just transposed the grid first.
Part 2 looked daunting at first, but I just needed to add a
smudges
counter to each column candidate, eliminating them when their counter reaches 2. For scoring, just count the 1-smudge columns.Hi there! Looks like you linked to a Lemmy community using a URL instead of its name, which doesn't work well for people on different instances. Try fixing it like this: !nim@programming.dev