advent-of-code-2021
aoc2021
advent-of-code-2021 | aoc2021 | |
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5 | 8 | |
2 | 1 | |
- | - | |
0.0 | 2.6 | |
over 2 years ago | over 2 years ago | |
C | Python | |
- | ISC License |
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advent-of-code-2021
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-🎄- 2021 Day 4 Solutions -🎄-
Solution
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Advent of Code Day 3
Day 3 of AoC, and it's starting to get harder. I'm actually not sure about the time complexity on this one. I saw some algorithms that apparently are O(n * l), where l is the length of the binary number. I believe my implementation is O(n * logn), but I'm not sure how much slower or faster it would actually be in reality. I'd appreciate more insight on this.
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-🎄- 2021 Day 3 Solutions -🎄-
Link
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Advent of Code Day 2
With the permission of mods, I will try to make a daily post about Advent of Code, where we can share our solutions and talk about AoC in general. This is my solution for day 2. I'm liking the submarine theme so far, and the visualizations on /r/adventofcode are really awesome. I was thinking about doing some in OpenGL, but I don't know if I can bear the pain. How are you liking AoC so far?
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Advent of Code Day 1 in C
I hope this kind of post is allowed. I'm planning to do this year's Advent of Code all in C (and hopefully all in time). This is what I ended up with for Day 1. I'm posting this so we can compare and improve our solutions.
aoc2021
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Playing with go1.18beta1 generics on Advent of Code
I've been doing similar (in three langs, though Ive fallen behind on go and rust over the past few days) -- https://github.com/A-UNDERSCORE-D/aoc2021/blob/main/aoc/go/util/slice.go is most of my generic go fun, lots of implementations of higher order functions and nice wrappers
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-🎄- 2021 Day 9 Solutions -🎄-
Python source
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-🎄- 2021 Day 7 Solutions -🎄-
As usual, first implementation. Actually started by doing sum(range(1, steps+1)), and after solving remembered that theres a math thing for that (sum(0..n) = n * (n + 1) / 2). Nothing super fancy other than that. Code Finally starting to see speedup from pypy. That JIT is amazing but has its costs.
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-🎄- 2021 Day 6 Solutions -🎄-
https://github.com/A-UNDERSCORE-D/aoc2021/blob/main/aoc/go/six/06.go -- Nothing super fancy. Nice ability to pick arrays over slices here though. Probably contributes a bit of speedup.
- -🎄- 2021 Day 4 Solutions -🎄-
- -🎄- 2021 Day 3 Solutions -🎄-
- -🎄- 2021 Day 2 Solutions -🎄-
- -🎄- 2021 Day 1 Solutions -🎄-
What are some alternatives?
bmp - 24-bit BMP (Bitmap) ANSI C header library
advent-of-code-kotlin - Advent of code 2021 - Kotlin
AdventOfCode2021 - Solutions to all 25 AoC 2021 problems in Rust :crab: Less than 100 lines per day and under 1 second total execution time! :christmas_tree:
AdventOfCode2021_Julia - Doing the Advent of Code 2021 challenges live in Julia
programming-challenges - My attempts at solving various programming challenges. Leetcode, codewars, adventofcode, etc
AdventOfCode2021.jl - Advent of Code 2021 in Julia
aoc2021 - Solutions for Advent of Code 2021
aventofcode - My solutions for Advent of Code
aoc2021
aoc2021 - Advent of Code 2021 Solutions
adventofcode2021 - My solutions to adventofcode.com for 2021
adventofcode2021 - Advent of Code 2021 Challenge