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Adventofcode Alternatives
Similar projects and alternatives to adventofcode
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advent-of-code
Discontinued My Advent of Code answers [GET https://api.github.com/repos/tcsullivan/advent-of-code: 404 - Not Found // See: https://docs.github.com/rest/repos/repos#get-a-repository] (by tcsullivan)
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NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a better adventofcode alternative or higher similarity.
adventofcode discussion
adventofcode reviews and mentions
Posts with mentions or reviews of adventofcode.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2023-12-10.
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An O(n) algorithm for day 11
https://github.com/ednl/adventofcode/blob/main/2023/11.c https://github.com/ednl/adventofcode/blob/main/2023/11alt.c
- -❄️- 2023 Day 11 Solutions -❄️-
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[2023 Day 8 (Part 2)][GLSL] Brute forced in under a minute on a GPU
First estimate of the lower bound on a single-threaded CPU solution with a ten year old computer is about 10 hours, or 26 hours on a Raspberry Pi 4, ha ha. github
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-❄️- 2023 Day 8 Solutions -❄️-
Aww, Eric was too kind to us and made sure that we didn't have to detect loops! With some nifty optimisations, my whole program runs in 2.5 ms on a Raspberry Pi 4. Code with lots of comments: https://github.com/ednl/adventofcode/blob/main/2023/08.c My walk function:
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-❄️- 2023 Day 7 Solutions -❄️-
Complete code with lots of comments: https://github.com/ednl/adventofcode/blob/main/2023/07.c
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-❄️- 2023 Day 6 Solutions -❄️-
I solved the quadratic equation and that makes the whole program run in 1.2 ms on a Raspberry Pi 4. But simply trying every possible button time isn't much slower: also took milliseconds, shrug. Here is my very verbose function to solve per race. The sq < 0 test was not necessary for the example or my input. Complete code: https://github.com/ednl/adventofcode/blob/main/2023/06.c
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-❄️- 2023 Day 4 Solutions -❄️-
C has no intersection operation, so I sorted the numbers and counted the matches "manually". Only kept an array for the number of card copies and could do the rest while reading the input. Runs in 3.2 ms on an old 2013 iMac, 3.9 ms on a Raspberry Pi 4 (cpu governor = performance). Short code, only one separate function for sorting: https://github.com/ednl/adventofcode/blob/main/2023/04.c
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www.saashub.com | 31 Aug 2025
Stats
Basic adventofcode repo stats
8
3
9.1
7 days ago
ednl/adventofcode is an open source project licensed under MIT License which is an OSI approved license.
The primary programming language of adventofcode is C.
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