Advent Of Code

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An unofficial home for the advent of code community on programming.dev!

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.

AoC 2024

Solution Threads

M	T	W	T	F	S	S
						1
2	3	4	5	6	7	8
9	10	11	12	13	14	15
16	17	18	19	20	21	22
23	24	25

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What were your favorite puzzles of 2024? (programming.dev)

submitted 5 days ago by Gobbel2000@programming.dev to c/advent_of_code@programming.dev

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Now that Advent of Code 2024 has concluded, I wanted to get people's opinion on what puzzles they especially liked looking back. This could be because of the puzzle mechanics, the description, because you are especially proud of your solution that day, or for any other reason.

Feel free to answer even if you only saw part of the puzzles.

My picks would be:

14 (Restroom Redoubt, robots moving into christmas tree shape). Even though it caught me off-guard in the moment, I did like that part 2 had this very imprecise requirement for once. Definitely made for varied, creative solutions.
15 (Warehouse Woes, robots pushing boxes) The second part was a fairly big complexity spike with just a minor change in the tasks. Basically a form of simulation where the hard part is finding a good data representation for the setup. I liked this one because debugging was such a visual process for me, by printing the grids.
17 (Chronospatial Computer, running a machine code) For me the first really tricky one, but still doable. These assembly puzzles are just neat. A lot of computation is started with a pretty small input, and the task is basically to really understand how this "computer" works.

What have been your favorites?

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[–] eco_game@discuss.tchncs.de 8 points 5 days ago

I also really liked day 17, because at one point the solution for part 2 just clicked and now it makes so much sense.

I think my favorite was the full adder on day 24. Even though I only solved part 2 manually, it was still a lot of fun to reverse an actual full adder and get familiar with all the required logic gates.