Three weeks to go until #AdventOfCode starts again, for the 11th time since 2015. Big changes this year: no more global leaderboard (yay) and there will only be 12 daily puzzles instead of 25 (aw). My hope for the schedule was: one puzzle every other day, but the verdict seems to be: Dec 1-12.
About - Advent of Code 2025
adventofcode.com
November 9, 2025 at 10:54 AM
Three weeks to go until #AdventOfCode starts again, for the 11th time since 2015. Big changes this year: no more global leaderboard (yay) and there will only be 12 daily puzzles instead of 25 (aw). My hope for the schedule was: one puzzle every other day, but the verdict seems to be: Dec 1-12.
guys, it’s almost december. it’ll be advent of code in a blink of an eye. have you all picked your starting horse yet? i’m debating haskell erlang or gleam. what are you thinking of? #adventofcode #haskell #gleam #erlang
November 8, 2025 at 8:43 AM
guys, it’s almost december. it’ll be advent of code in a blink of an eye. have you all picked your starting horse yet? i’m debating haskell erlang or gleam. what are you thinking of? #adventofcode #haskell #gleam #erlang
guys, it’s almost december. it’ll be advent of code in a blink of an eye. have you all picked your starting horse yet? i’m debating haskell erlang or gleam. what are you thinking of? #adventofcode #haskell #gleam #erlang
November 8, 2025 at 8:44 AM
guys, it’s almost december. it’ll be advent of code in a blink of an eye. have you all picked your starting horse yet? i’m debating haskell erlang or gleam. what are you thinking of? #adventofcode #haskell #gleam #erlang
I just completed all 25 days of Advent of Code 2015! #AdventOfCode adventofcode.com
I thought I'd get at least one year to 100% before this year's starts.
I thought I'd get at least one year to 100% before this year's starts.
Advent of Code 2025
adventofcode.com
November 8, 2025 at 5:41 AM
I just completed all 25 days of Advent of Code 2015! #AdventOfCode adventofcode.com
I thought I'd get at least one year to 100% before this year's starts.
I thought I'd get at least one year to 100% before this year's starts.
Organizing an #AdventOfCode meetup together with colleagues at @infi.nl on DEC 9th. Come join us!
Hah! Het is weer zover!!
December is weer #AdventOfCode maand! Ook dit jaar hebben we weer een meetup gepland, waar jij ook welkom bent! 🧡
DI 09 DEC, inloop vanaf ~17:30
Infi AdventOfCode Meetup
Samen puzzelen, lekker eten en drinken, samen nerden.... komt allen!
www.meetup.com/infi-develop...
December is weer #AdventOfCode maand! Ook dit jaar hebben we weer een meetup gepland, waar jij ook welkom bent! 🧡
DI 09 DEC, inloop vanaf ~17:30
Infi AdventOfCode Meetup
Samen puzzelen, lekker eten en drinken, samen nerden.... komt allen!
www.meetup.com/infi-develop...
Advent of Code Meetup December 2025, Tue, Dec 9, 2025, 5:30 PM | Meetup
Het is weer zover! ⭐⭐ In december bijten we ons bij Infi stuk op de Advent of Code puzzels. 🎄 En op **DINSDAG 9 DECEMBER** kun jij er bij zijn: dan gaan we na werk samen e
www.meetup.com
November 7, 2025 at 3:07 PM
Organizing an #AdventOfCode meetup together with colleagues at @infi.nl on DEC 9th. Come join us!
Hah! Het is weer zover!!
December is weer #AdventOfCode maand! Ook dit jaar hebben we weer een meetup gepland, waar jij ook welkom bent! 🧡
DI 09 DEC, inloop vanaf ~17:30
Infi AdventOfCode Meetup
Samen puzzelen, lekker eten en drinken, samen nerden.... komt allen!
www.meetup.com/infi-develop...
December is weer #AdventOfCode maand! Ook dit jaar hebben we weer een meetup gepland, waar jij ook welkom bent! 🧡
DI 09 DEC, inloop vanaf ~17:30
Infi AdventOfCode Meetup
Samen puzzelen, lekker eten en drinken, samen nerden.... komt allen!
www.meetup.com/infi-develop...
Advent of Code Meetup December 2025, Tue, Dec 9, 2025, 5:30 PM | Meetup
Het is weer zover! ⭐⭐ In december bijten we ons bij Infi stuk op de Advent of Code puzzels. 🎄 En op **DINSDAG 9 DECEMBER** kun jij er bij zijn: dan gaan we na werk samen e
www.meetup.com
November 7, 2025 at 3:00 PM
Hah! Het is weer zover!!
December is weer #AdventOfCode maand! Ook dit jaar hebben we weer een meetup gepland, waar jij ook welkom bent! 🧡
DI 09 DEC, inloop vanaf ~17:30
Infi AdventOfCode Meetup
Samen puzzelen, lekker eten en drinken, samen nerden.... komt allen!
www.meetup.com/infi-develop...
December is weer #AdventOfCode maand! Ook dit jaar hebben we weer een meetup gepland, waar jij ook welkom bent! 🧡
DI 09 DEC, inloop vanaf ~17:30
Infi AdventOfCode Meetup
Samen puzzelen, lekker eten en drinken, samen nerden.... komt allen!
www.meetup.com/infi-develop...
So what is this weeks topic of my mind? Advent of Code. I need to make a few decision on how I'll do this year, and maybe complete it.
jeferson.me/blog/2025/11...
#AdventOfCode #AoC #Coding #Crystal #Dev #Engineering #GoLang #Linux #Odin #Programming #Ruby #Rust #Zig
jeferson.me/blog/2025/11...
#AdventOfCode #AoC #Coding #Crystal #Dev #Engineering #GoLang #Linux #Odin #Programming #Ruby #Rust #Zig
It's Christmas Time
Snow, cocoa, and code. Another year, another Advent of Code, not for leaderboards, but for the joy of solving problems and learning. But here is the question? What language?
jeferson.me
November 7, 2025 at 9:00 AM
So what is this weeks topic of my mind? Advent of Code. I need to make a few decision on how I'll do this year, and maybe complete it.
jeferson.me/blog/2025/11...
#AdventOfCode #AoC #Coding #Crystal #Dev #Engineering #GoLang #Linux #Odin #Programming #Ruby #Rust #Zig
jeferson.me/blog/2025/11...
#AdventOfCode #AoC #Coding #Crystal #Dev #Engineering #GoLang #Linux #Odin #Programming #Ruby #Rust #Zig
I just completed all 25 days of Advent of Code 2022! #AdventOfCode adventofcode.com
Merry Christmas 2022 :)
Merry Christmas 2022 :)
Advent of Code 2025
adventofcode.com
November 6, 2025 at 12:11 PM
I just completed all 25 days of Advent of Code 2022! #AdventOfCode adventofcode.com
Merry Christmas 2022 :)
Merry Christmas 2022 :)
I've completed "Not Enough Minerals" - Day 19 - Advent of Code 2022 #AdventOfCode adventofcode.com/2022/day/19
Solution takes whopping 45 seconds to run, but I'm not optimizing it any further.
Solution takes whopping 45 seconds to run, but I'm not optimizing it any further.
Day 19 - Advent of Code 2022
adventofcode.com
November 6, 2025 at 12:06 PM
I've completed "Not Enough Minerals" - Day 19 - Advent of Code 2022 #AdventOfCode adventofcode.com/2022/day/19
Solution takes whopping 45 seconds to run, but I'm not optimizing it any further.
Solution takes whopping 45 seconds to run, but I'm not optimizing it any further.
Still one of the best and most interesting AoC puzzles I did
#AdventOfCode adventofcode.com/2022/day/10
#AdventOfCode adventofcode.com/2022/day/10
Day 10 - Advent of Code 2022
adventofcode.com
November 5, 2025 at 7:29 PM
Still one of the best and most interesting AoC puzzles I did
#AdventOfCode adventofcode.com/2022/day/10
#AdventOfCode adventofcode.com/2022/day/10
@was.tl I'm looking at some old puzzles while I excitedly wait for this year's #AdventOfCode.
I don't think anyone ever worked out the "full" story behind 2015 day 19 - in a thread you said you would reveal it once you got over the flu.
Hope you're better now! Did the story ever get shared?
I don't think anyone ever worked out the "full" story behind 2015 day 19 - in a thread you said you would reveal it once you got over the flu.
Hope you're better now! Did the story ever get shared?
topaz2078's comment on "--- Day 19 Solutions ---"
Explore this conversation and more from the adventofcode community
www.reddit.com
November 5, 2025 at 6:32 PM
@was.tl I'm looking at some old puzzles while I excitedly wait for this year's #AdventOfCode.
I don't think anyone ever worked out the "full" story behind 2015 day 19 - in a thread you said you would reveal it once you got over the flu.
Hope you're better now! Did the story ever get shared?
I don't think anyone ever worked out the "full" story behind 2015 day 19 - in a thread you said you would reveal it once you got over the flu.
Hope you're better now! Did the story ever get shared?
Tiens à partir de cette année le #adventofcode n'aura plus que 12 jours de défis. Je crois que c'est mieux pour tout le monde (en particulier ma vie de famille) 😅
November 5, 2025 at 3:43 PM
Tiens à partir de cette année le #adventofcode n'aura plus que 12 jours de défis. Je crois que c'est mieux pour tout le monde (en particulier ma vie de famille) 😅
I've completed "Proboscidea Volcanium" - Day 16 - Advent of Code 2022 #AdventOfCode adventofcode.com/2022/day/16
en.wikipedia.org/wiki/Held%E2...
en.wikipedia.org/wiki/Held%E2...
Day 16 - Advent of Code 2022
adventofcode.com
November 5, 2025 at 11:33 AM
I've completed "Proboscidea Volcanium" - Day 16 - Advent of Code 2022 #AdventOfCode adventofcode.com/2022/day/16
en.wikipedia.org/wiki/Held%E2...
en.wikipedia.org/wiki/Held%E2...
November 5, 2025 at 11:30 AM
#AdventOfCode 2025 sponsorship is now open! If your organization might be interested in sponsoring, please have them email sponsorship at [the Advent of Code domain name]. adventofcode.com/2025/sponsors
November 4, 2025 at 3:35 AM
#AdventOfCode 2025 sponsorship is now open! If your organization might be interested in sponsoring, please have them email sponsorship at [the Advent of Code domain name]. adventofcode.com/2025/sponsors
Day 19 - take 2 by Sergio Rafael Gianazza https://notes.club/gianu/adventOfCode/2022/day19-take2 #ElixirLang
November 2, 2025 at 8:00 AM
Day 19 - take 2 by Sergio Rafael Gianazza https://notes.club/gianu/adventOfCode/2022/day19-take2 #ElixirLang
With #inktober done for this year, I'll enjoy a month of quiet (well, that and @agiletdzone.bsky.social 😃) before #AdventOfCode in December.
Have a great weekend everyone!
Have a great weekend everyone!
November 1, 2025 at 9:33 AM
With #inktober done for this year, I'll enjoy a month of quiet (well, that and @agiletdzone.bsky.social 😃) before #AdventOfCode in December.
Have a great weekend everyone!
Have a great weekend everyone!
been doing some old #AdventOfCode exercises lately. I'm glad sum types and crates like [nom](crates.io/crates/nom) exist, as they not only help make the data ingestion easier, but also make some of the parsing-based challenges a little more sane to work.
#Rust #Software #Programming
#Rust #Software #Programming
October 28, 2025 at 10:52 PM
been doing some old #AdventOfCode exercises lately. I'm glad sum types and crates like [nom](crates.io/crates/nom) exist, as they not only help make the data ingestion easier, but also make some of the parsing-based challenges a little more sane to work.
#Rust #Software #Programming
#Rust #Software #Programming
I just completed "RAM Run" - Day 18 - Advent of Code 2024 #AdventOfCode adventofcode.com/2024/day/18
#golang github.com/danielemegna...
#golang github.com/danielemegna...
Day 18 - Advent of Code 2024
adventofcode.com
October 28, 2025 at 7:17 AM
I just completed "RAM Run" - Day 18 - Advent of Code 2024 #AdventOfCode adventofcode.com/2024/day/18
#golang github.com/danielemegna...
#golang github.com/danielemegna...
I just completed all 25 days of Advent of Code 2024! #AdventOfCode adventofcode.com
Just in time to start 2025 😅
Just in time to start 2025 😅
a cartoon sloth wearing a green shirt is sitting at a table with a tablet .
ALT: a cartoon sloth wearing a green shirt is sitting at a table with a tablet .
media.tenor.com
October 27, 2025 at 2:45 PM
I just completed all 25 days of Advent of Code 2024! #AdventOfCode adventofcode.com
Just in time to start 2025 😅
Just in time to start 2025 😅
🎄 Year 2024 🔔 Day 24 by Jani Mäkelä https://notes.club/Custodia/adventofcode/blob/master/elixir/notebooks/2024/day24.livemd #ElixirLang
October 26, 2025 at 4:00 PM
🎄 Year 2024 🔔 Day 24 by Jani Mäkelä https://notes.club/Custodia/adventofcode/blob/master/elixir/notebooks/2024/day24.livemd #ElixirLang
Got a good bird-to-stone ratio going by refreshing my #neo4j #cypher knowledge and warming up for #adventofcode by solving 2024 day 10 entirely via graph queries (including parsing input). I think my theme for this year is going to be 'as many languages as possible'
October 26, 2025 at 2:00 AM
Got a good bird-to-stone ratio going by refreshing my #neo4j #cypher knowledge and warming up for #adventofcode by solving 2024 day 10 entirely via graph queries (including parsing input). I think my theme for this year is going to be 'as many languages as possible'
October 24, 2025 at 6:23 AM
These changes to #AdventOfCode are for the best. The global leaderboard was meaningless last year due to obnoxious AI submissions, and a completely undeserved nightmare for @was.tl, so I'm happy that it's gone. It was a nice 9 or so years while it was still a competitive challenge, though!
Hello, friends! After 10(!) years of #AdventOfCode, I've made some changes to preserve my sanity: there will be 12 days of puzzles each December (still starting Dec 1) and there is no longer a global leaderboard. Read more:
adventofcode.com/2025/about#f...
adventofcode.com/2025/about#f...
adventofcode.com/2025/about#f...
adventofcode.com/2025/about#f...
October 24, 2025 at 5:18 AM
These changes to #AdventOfCode are for the best. The global leaderboard was meaningless last year due to obnoxious AI submissions, and a completely undeserved nightmare for @was.tl, so I'm happy that it's gone. It was a nice 9 or so years while it was still a competitive challenge, though!
Not to brag, but I have a 19 year old Reddit account and going through all my comments I can't find a single racist or homophobic one. It's really not that hard.
Mostly I found tons of old comments on r/adventofcode
Mostly I found tons of old comments on r/adventofcode
October 23, 2025 at 3:40 AM
Not to brag, but I have a 19 year old Reddit account and going through all my comments I can't find a single racist or homophobic one. It's really not that hard.
Mostly I found tons of old comments on r/adventofcode
Mostly I found tons of old comments on r/adventofcode