coder2k Community Board (2025)

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5 1) ************************* 700 Janis 1) ************************* 700 JP 1) ************************* 700 thymoze 1) ************************* 700 techrabbit58 1) ************************* 700 rolfschmidt 1) ************************* 700 (anonymous user #749308) 1) ************************* 700 Markus Freitag 1) ************************* 700 Stephan Roslen 1) ************************* 700 CueXXIII 1) ************************* 700 ComicalCache 1) ************************* 700 SpiritOffice 1) ************************* 700 Mario Mottl 1) ************************* 700 Der Typ 1) ************************* 700 jdoubleu 1) ************************* 700 uuk0 1) ************************* 700 (anonymous user #1785483) 1) ************************* 700 (anonymous user #2001501) 1) ************************* 700 grouvie 1) ************************* 700 Nicolas Pinel 1) ************************* 700 NineBerry NeunBeere 1) ************************* 700 racoon2code 1) ************************* 700 michaelmattig 1) ************************* 700 maklem 1) ************************* 700 Vincenzo Agrillo 25) ************************* 650 blowfish fugu 25) ************************* 650 @charky_ 25) ************************* 650 m0ep 25) ************************* 650 DasCleverle 25) ************************* 650 Frank Thuerigen 30) ************************* 600 BudBoondy 30) ************************* 600 Totto16 30) ************************* 600 TabbaT 30) ************************* 600 marc-sw 30) ************************* 600 JeanValjean80 35) ************************* 550 Dominic 36) ************************* 500 Jaspi10 36) ************************* 500 Michael Gerhold 36) ************************* 500 spacian 39) ************************* 400 Sam 39) ************************* 400 xcst 39) ************************* 400 0xlia 42) ************************* 300 Markus Muschol 42) ************************* 300 Jazylucky 44) ************************* 250 sr5392 45) ************************* 200 Kim Bauer 46) ************************* 150 Phil 47) ************************* 100 sissto 48) ************************* 50 hsimpson 48) ************************* 50 Leskodamus 48) ************************* 50 Arthur Moser 51) ************************* 0 mailgerigk 51) ************************* 0 Akizo96 51) ************************* 0 (anonymous user #340956) 51) ************************* 0 mmarx 51) ************************* 0 eisbaer66 51) ************************* 0 TutorExilius 51) ************************* 0 rnesti 51) ************************* 0 SebastianHuebner 51) ************************* 0 (anonymous user #1250440) 51) ************************* 0 DiesesForum 51) ************************* 0 marcelTau 51) ************************* 0 (anonymous user #1605405) 51) ************************* 0 Trai 51) ************************* 0 deshiJo 51) ************************* 0 CompletableDev 51) ************************* 0 KlauzWayne 51) ************************* 0 SlashLife 51) ************************* 0 Peter W 51) ************************* 0 Lukas Wilde 51) ************************* 0 GyrosGeier 51) ************************* 0 Yannick Suter 51) ************************* 0 Fieslix 51) ************************* 0 (anonymous user #2574649) 51) ************************* 0 Naegolus 51) ************************* 0 Cobinja 51) ************************* 0 DasLixou 51) ************************* 0 MarvHetz 51) ************************* 0 Purpur Tentakel 51) ************************* 0 Marco Weber 51) ************************* 0 Damian Ryse 51) ************************* 0 TheRadischen 51) ************************* 0 svhoy 51) ************************* 0 jonas 51) ************************* 0 PixelboysTM 51) ************************* 0 Bernd Bruder 51) ************************* 0 AFelix5 51) ************************* 0 kgnet88 51) ************************* 0 Cabranium 51) ************************* 0 nidefawl 51) ************************* 0 Marco Weber 51) ************************* 0 rukotooo 51) ************************* 0 xinraTV Gold indicates the user got both stars for that day, silver means just the first star, and gray means none. For those that are interested you can also check the official leaderboard.

How does it work?

Each day at 00:00 a.m. EST (UTC -5) two puzzles are released. Each player gets the same problem (but different input values). The answer is usually a number or a short string that you can paste into the submission field. This means you can use any language (or pen and paper if you're a lunatic). When you have solved the first puzzle for a day you unlock the second one. It's possible to skip puzzles so don't give up if a particular one is giving you trouble. Remember that the most important thing is to have fun!

How to join

Go to Advent of Code, sign up and join this private leaderboard using the code 1618658-c6776b0c.

I'm stuck on a puzzle

There is an excellent subreddit where you can get hints. You may also consult the oracle ChatGPT. I hear it's able to solve quite a few problems.

How does the scoring work?

If you solve the puzzle within 24 hours from when it's released you get full points (50). For each day you lag behind the score decreases by 5, but you can never get less than 10 points for solving a puzzle. Therefore the maximum score is 2500 and the minimum (assuming you solve all puzzles) is 500.

Why not use the official leaderboard?

By default Advent of Code scores participants by how quickly they solve the problem compared to everybody else on the same leaderboard. I dislike this since it encourages participants to use whatever language they are most comfortable in and rush the solution. The scoring for this leaderboard values consistency and allows for everybody to win.