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๐ช - 2023 DAY 14 SOLUTIONS -๐ช
(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.
Solution Threads
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console.log('Hello World')
C
Chose not to do transposing/flipping or fancy indexing so it's rather verbose, but it's also clear and (I think) fast. I also tried to limit the number of search steps by keeping two cursors in the current row/col, rather than shooting a ray every time.
Part 2 immediately reminded me of that Tetris puzzle from day 22 last year so I knew how to find and apply the solution. State hashes are stored in an array and (inefficiently) scanned until a loop is found.
One direction of the shift function:
The main loop:
Full solution: https://github.com/sjmulder/aoc/blob/master/2023/c/day14.c