# Coding Challenges **URL:** https://erlangforums.com/c/questions-discussions/coding-challenges/83.md?page=2 [Latest](https://erlangforums.com/latest.md) · [Categories](https://erlangforums.com/categories.md) · [Tags](https://erlangforums.com/tags.md) **Page:** 3 --- ## [Advent of Code 2022 Day 18 - Discussions](https://erlangforums.com/t/advent-of-code-2022-day-18-discussions/2187)
**Author:** [@mafinar](https://erlangforums.com/u/mafinar)\ **Replies:** 6\ **Last updated:** [December 18, 2022, 5:22pm UTC](https://erlangforums.com/t/advent-of-code-2022-day-18-discussions/2187 "2022-12-18T17:22:24Z")
This topic is about Day 18 of the Advent of Code 2022 . Link to our leaderboard: https://adventofcode.com/2022/leaderboard/private/view/370884 The entry code is: 370884-a6a71927 We are at 195 right now and 200 is t… --- ## [Advent of Code 2022 Day 17 - Discussion](https://erlangforums.com/t/advent-of-code-2022-day-17-discussion/2182)
**Author:** [@mafinar](https://erlangforums.com/u/mafinar)\ **Replies:** 2\ **Last updated:** [December 17, 2022, 8:15am UTC](https://erlangforums.com/t/advent-of-code-2022-day-17-discussion/2182 "2022-12-17T08:15:48Z")
This topic is about Day 17 of the Advent of Code 2022 . Link to our leaderboard: https://adventofcode.com/2022/leaderboard/private/view/370884 The entry code is: 370884-a6a71927 Good luck! --- ## [Advent of Code 2022 Day 16 - Discussions](https://erlangforums.com/t/advent-of-code-2022-day-16-discussions/2176)
**Author:** [@mafinar](https://erlangforums.com/u/mafinar)\ **Replies:** 1\ **Last updated:** [December 16, 2022, 4:33pm UTC](https://erlangforums.com/t/advent-of-code-2022-day-16-discussions/2176 "2022-12-16T16:33:24Z")
This topic is about Day 16 of the Advent of Code 2022 . Link to our leaderboard: https://adventofcode.com/2022/leaderboard/private/view/370884 The entry code is: 370884-a6a71927 Good luck! --- ## [Advent of Code 2022 Day 10 - Discussions](https://erlangforums.com/t/advent-of-code-2022-day-10-discussions/2151)
**Author:** [@mafinar](https://erlangforums.com/u/mafinar)\ **Replies:** 3\ **Last updated:** [December 15, 2022, 10:16am UTC](https://erlangforums.com/t/advent-of-code-2022-day-10-discussions/2151 "2022-12-15T10:16:41Z")
This topic is about Day 10 of the Advent of Code 2022 . Link to our leaderboard: https://adventofcode.com/2022/leaderboard/private/view/370884 The entry code is: 370884-a6a71927 Good luck! --- ## [Advent of Code 2022 Day 15 - Discussion](https://erlangforums.com/t/advent-of-code-2022-day-15-discussion/2168)
**Author:** [@mafinar](https://erlangforums.com/u/mafinar)\ **Replies:** 1\ **Last updated:** [December 15, 2022, 6:45am UTC](https://erlangforums.com/t/advent-of-code-2022-day-15-discussion/2168 "2022-12-15T06:45:19Z")
This topic is about Day 15 of the Advent of Code 2022 . Link to our leaderboard: https://adventofcode.com/2022/leaderboard/private/view/370884 The entry code is: 370884-a6a71927 Good luck! --- ## [Advent of Code 2022 Day 14 - Discussions](https://erlangforums.com/t/advent-of-code-2022-day-14-discussions/2165)
**Author:** [@mafinar](https://erlangforums.com/u/mafinar)\ **Replies:** 1\ **Last updated:** [December 14, 2022, 6:54pm UTC](https://erlangforums.com/t/advent-of-code-2022-day-14-discussions/2165 "2022-12-14T18:54:35Z")
This topic is about Day 14 of the Advent of Code 2022 . Link to our leaderboard: https://adventofcode.com/2022/leaderboard/private/view/370884 The entry code is: 370884-a6a71927 Good luck! --- ## [Advent of Code Day 11 - Discussion](https://erlangforums.com/t/advent-of-code-day-11-discussion/2155)
**Author:** [@mafinar](https://erlangforums.com/u/mafinar)\ **Replies:** 3\ **Last updated:** [December 13, 2022, 12:31am UTC](https://erlangforums.com/t/advent-of-code-day-11-discussion/2155 "2022-12-13T00:31:48Z")
This topic is about Day 11 of the Advent of Code 2022 . Sorry for delaying this post. I bet folks already solved it, let’s see how. I’ll start my attempt in a bit. Link to our leaderboard: https://adventofcode.com/202… --- ## [Advent of Code 2022 - Day 12 Discussions](https://erlangforums.com/t/advent-of-code-2022-day-12-discussions/2156)
**Author:** [@mafinar](https://erlangforums.com/u/mafinar)\ **Replies:** 1\ **Last updated:** [December 12, 2022, 5:34am UTC](https://erlangforums.com/t/advent-of-code-2022-day-12-discussions/2156 "2022-12-12T05:34:55Z")
This topic is about Day 12 of the Advent of Code 2022 . Link to our leaderboard: https://adventofcode.com/2022/leaderboard/private/view/370884 The entry code is: 370884-a6a71927 Good luck! --- ## [Advent of Code 2022 Day 5 - Discussions](https://erlangforums.com/t/advent-of-code-2022-day-5-discussions/2111)
**Author:** [@mafinar](https://erlangforums.com/u/mafinar)\ **Replies:** 2\ **Last updated:** [December 10, 2022, 7:10am UTC](https://erlangforums.com/t/advent-of-code-2022-day-5-discussions/2111 "2022-12-10T07:10:23Z")
This topic is about Day 5 of the Advent of Code 2022 . Link to our leaderboard: https://adventofcode.com/2022/leaderboard/private/view/370884 The entry code is: 370884-a6a71927 Good luck! --- ## [Advent of Code 2022 Day 9 - Discussions](https://erlangforums.com/t/advent-of-code-2022-day-9-discussions/2143)
**Author:** [@mafinar](https://erlangforums.com/u/mafinar)\ **Replies:** 3\ **Last updated:** [December 10, 2022, 12:08am UTC](https://erlangforums.com/t/advent-of-code-2022-day-9-discussions/2143 "2022-12-10T00:08:59Z")
This topic is about Day 9 of the Advent of Code 2022 . Link to our leaderboard: https://adventofcode.com/2022/leaderboard/private/view/370884 The entry code is: 370884-a6a71927 Good luck! --- ## [Advent of Code Day 7 - Discussions](https://erlangforums.com/t/advent-of-code-day-7-discussions/2117)
**Author:** [@mafinar](https://erlangforums.com/u/mafinar)\ **Replies:** 3\ **Last updated:** [December 9, 2022, 7:03pm UTC](https://erlangforums.com/t/advent-of-code-day-7-discussions/2117 "2022-12-09T19:03:23Z")
This topic is about Day 7 of the Advent of Code 2022 . December 7 comes in less than 3 hours! Good luck solving today’s challenge. Link to our leaderboard: https://adventofcode.com/2022/leaderboard/private/view/370884… --- ## [Advent of Code 2022 Day 6 - Discussions](https://erlangforums.com/t/advent-of-code-2022-day-6-discussions/2112)
**Author:** [@mafinar](https://erlangforums.com/u/mafinar)\ **Replies:** 3\ **Last updated:** [December 9, 2022, 4:13am UTC](https://erlangforums.com/t/advent-of-code-2022-day-6-discussions/2112 "2022-12-09T04:13:27Z")
This topic is about Day 6 of the Advent of Code 2022 . Sorry for the delay in opening this post. Hope we already have some solutions to day 6 Link to our leaderboard: https://adventofcode.com/2022/leaderboard/private/… --- ## [Advent of Code 2022 Day 8 - Discussions](https://erlangforums.com/t/advent-of-code-2022-day-8-discussions/2134)
**Author:** [@mafinar](https://erlangforums.com/u/mafinar)\ **Replies:** 3\ **Last updated:** [December 8, 2022, 7:56pm UTC](https://erlangforums.com/t/advent-of-code-2022-day-8-discussions/2134 "2022-12-08T19:56:33Z")
This topic is about Day 8 of the Advent of Code 2022 . Link to our leaderboard: https://adventofcode.com/2022/leaderboard/private/view/370884 The entry code is: 370884-a6a71927 Good luck! --- ## [Advent of Code Day 4 - Discussions](https://erlangforums.com/t/advent-of-code-day-4-discussions/2107)
**Author:** [@mafinar](https://erlangforums.com/u/mafinar)\ **Replies:** 3\ **Last updated:** [December 8, 2022, 3:39am UTC](https://erlangforums.com/t/advent-of-code-day-4-discussions/2107 "2022-12-08T03:39:30Z")
This topic is about Day 4 of the Advent of Code 2022 . day 4 - begins in less than two hours and let’s hope we get some great submissions. I must admit, I had quite a few aha moments seeing yesterdays code. I also spen… --- ## [Advent of Code 2022 Day 3 - Discussions](https://erlangforums.com/t/advent-of-code-2022-day-3-discussions/2106)
**Author:** [@mafinar](https://erlangforums.com/u/mafinar)\ **Replies:** 4\ **Last updated:** [December 8, 2022, 1:24am UTC](https://erlangforums.com/t/advent-of-code-2022-day-3-discussions/2106 "2022-12-08T01:24:42Z")
This topic is about Day 3 of the Advent of Code 2022 . Sorry for the delay in opening this post. Hope we already have some solutions to day 3 Link to our leaderboard: https://adventofcode.com/2022/leaderboard/private/… --- ## [Advent of Code 2022 Day 2 Discussions](https://erlangforums.com/t/advent-of-code-2022-day-2-discussions/2104)
**Author:** [@mafinar](https://erlangforums.com/u/mafinar)\ **Replies:** 2\ **Last updated:** [December 7, 2022, 11:00pm UTC](https://erlangforums.com/t/advent-of-code-2022-day-2-discussions/2104 "2022-12-07T23:00:42Z")
This topic is about Day 2 of the Advent of Code 2022 . I am leaving this post open so that folks can discuss their day 2 adventures when it begins (12:00 AM EST)! Link to our leaderboard: https://adventofcode.com/2022… --- ## [Advent of Code 2022 - Day 1 Discussions](https://erlangforums.com/t/advent-of-code-2022-day-1-discussions/2099)
**Author:** [@mafinar](https://erlangforums.com/u/mafinar)\ **Replies:** 7\ **Last updated:** [December 7, 2022, 10:59pm UTC](https://erlangforums.com/t/advent-of-code-2022-day-1-discussions/2099 "2022-12-07T22:59:51Z")
This topic is about Day 1 of the Advent of Code 2022. With less than 2 hours to go for Advent of Code 2022, I am leaving this post open so that folks can discuss their day 1 adventures when it begins (12:00 AM EST)! Li… --- ## [Advent of Code 2022 | Erlang Solutions](https://erlangforums.com/t/advent-of-code-2022-erlang-solutions/2113)
**Author:** [@CodeSync](https://erlangforums.com/u/CodeSync)\ **Replies:** 0\ **Last updated:** [December 6, 2022, 11:41am UTC](https://erlangforums.com/t/advent-of-code-2022-erlang-solutions/2113 "2022-12-06T11:41:43Z")
Are you taking part in Advent of Code? Aleksander Lisiecki from the Erlang Solutions team is solving all the puzzles in Erlang & publishing the results daily on our blog. Day 6 is done. Check it out at --- ## [Advent of Code: Getting Ready!](https://erlangforums.com/t/advent-of-code-getting-ready/2082)
**Author:** [@mafinar](https://erlangforums.com/u/mafinar)\ **Replies:** 1\ **Last updated:** [November 27, 2022, 10:02pm UTC](https://erlangforums.com/t/advent-of-code-getting-ready/2082 "2022-11-27T22:02:33Z")
Greetings. It’s that time of the year and Advent of Code is upon us! For folks who never played one, here’s what it is, copied straight from their website by Eric Wastl: Advent of Code is an Advent calendar of small pr… --- ## [Advent of Code 2021 - all solutions](https://erlangforums.com/t/advent-of-code-2021-all-solutions/873)
**Author:** [@jesperes](https://erlangforums.com/u/jesperes)\ **Replies:** 5\ **Last updated:** [October 10, 2022, 12:40pm UTC](https://erlangforums.com/t/advent-of-code-2021-all-solutions/873 "2022-10-10T12:40:28Z")
So I finished all the 2021 solutions in Erlang with a total runtime of \< 10s which I am very happy with: Year Day Name Time (msecs) ------ ----- ----------------------- -------------- 2021 … --- ## [Have you ever solved an Advent of Code or an Exercism challenge?](https://erlangforums.com/t/have-you-ever-solved-an-advent-of-code-or-an-exercism-challenge/1285)
**Author:** [@adolfont](https://erlangforums.com/u/adolfont)\ **Replies:** 1\ **Last updated:** [April 7, 2022, 3:32pm UTC](https://erlangforums.com/t/have-you-ever-solved-an-advent-of-code-or-an-exercism-challenge/1285 "2022-04-07T15:32:47Z")
Hi, I am going to give a talk about learning by solving Advent of Code and Exercism challenges. I would like your help by answering the following poll: poll --- ## [Advent of Code 2021 - Day 22](https://erlangforums.com/t/advent-of-code-2021-day-22/854)
**Author:** [@bjorng](https://erlangforums.com/u/bjorng)\ **Replies:** 5\ **Last updated:** [January 10, 2022, 6:17am UTC](https://erlangforums.com/t/advent-of-code-2021-day-22/854 "2022-01-10T06:17:57Z")
This topic is about Day 22 of the Advent of Code 2021. We have a private leaderboard (shared with users of the elixir forum): https://adventofcode.com/2021/leaderboard/private/view/370884 The entry code is: 370884-a6… --- ## [Advent of Code 2021 - Day 25](https://erlangforums.com/t/advent-of-code-2021-day-25/869)
**Author:** [@bjorng](https://erlangforums.com/u/bjorng)\ **Replies:** 0\ **Last updated:** [December 25, 2021, 4:55am UTC](https://erlangforums.com/t/advent-of-code-2021-day-25/869 "2021-12-25T04:55:49Z")
This topic is about Day 25 of the Advent of Code 2021. We have a private leaderboard (shared with users of the elixir forum): https://adventofcode.com/2021/leaderboard/private/view/370884 The entry code is: 370884-a… --- ## [Advent of Code 2021 - Day 24](https://erlangforums.com/t/advent-of-code-2021-day-24/865)
**Author:** [@bjorng](https://erlangforums.com/u/bjorng)\ **Replies:** 3\ **Last updated:** [December 24, 2021, 4:33pm UTC](https://erlangforums.com/t/advent-of-code-2021-day-24/865 "2021-12-24T16:33:19Z")
This topic is about Day 24 of the Advent of Code 2021. We have a private leaderboard (shared with users of the elixir forum): https://adventofcode.com/2021/leaderboard/private/view/370884 The entry code is: 370884-a6… --- ## [Advent of Code 2021 - Day 23](https://erlangforums.com/t/advent-of-code-2021-day-23/861)
**Author:** [@bjorng](https://erlangforums.com/u/bjorng)\ **Replies:** 3\ **Last updated:** [December 23, 2021, 2:17pm UTC](https://erlangforums.com/t/advent-of-code-2021-day-23/861 "2021-12-23T14:17:09Z")
This topic is about Day 23 of the Advent of Code 2021. We have a private leaderboard (shared with users of the elixir forum): https://adventofcode.com/2021/leaderboard/private/view/370884 The entry code is: 370884-a6… --- ## [Advent of Code 2021 - Day 21](https://erlangforums.com/t/advent-of-code-2021-day-21/843)
**Author:** [@bjorng](https://erlangforums.com/u/bjorng)\ **Replies:** 1\ **Last updated:** [December 21, 2021, 7:46am UTC](https://erlangforums.com/t/advent-of-code-2021-day-21/843 "2021-12-21T07:46:27Z")
This topic is about Day 21 of the Advent of Code 2021 . We have a private leaderboard (shared with users of the elixir forum): https://adventofcode.com/2021/leaderboard/private/view/370884 The entry code is: 370884-a… --- ## [Advent of Code 2021 - Day 19](https://erlangforums.com/t/advent-of-code-2021-day-19/831)
**Author:** [@bjorng](https://erlangforums.com/u/bjorng)\ **Replies:** 3\ **Last updated:** [December 20, 2021, 3:17pm UTC](https://erlangforums.com/t/advent-of-code-2021-day-19/831 "2021-12-20T15:17:39Z")
This topic is about Day 19 of the Advent of Code 2021. We have a private leaderboard (shared with users of the elixir forum): https://adventofcode.com/2021/leaderboard/private/view/370884 The entry code is: 370884-a6… --- ## [Advent of Code 2021 - Day 20](https://erlangforums.com/t/advent-of-code-2021-day-20/838)
**Author:** [@bjorng](https://erlangforums.com/u/bjorng)\ **Replies:** 0\ **Last updated:** [December 20, 2021, 4:59am UTC](https://erlangforums.com/t/advent-of-code-2021-day-20/838 "2021-12-20T04:59:42Z")
This topic is about Day 20 of the Advent of Code 2021. We have a private leaderboard (shared with users of the elixir forum): https://adventofcode.com/2021/leaderboard/private/view/370884 The entry code is: 370884-a6… --- ## [Advent of Code 2021 - Day 18](https://erlangforums.com/t/advent-of-code-2021-day-18/829)
**Author:** [@bjorng](https://erlangforums.com/u/bjorng)\ **Replies:** 3\ **Last updated:** [December 18, 2021, 3:43pm UTC](https://erlangforums.com/t/advent-of-code-2021-day-18/829 "2021-12-18T15:43:14Z")
This topic is about Day 18 of the Advent of Code 2021. We have a private leaderboard (shared with users of the elixir forum): https://adventofcode.com/2021/leaderboard/private/view/370884 The entry code is: 370884-a6… --- ## [Advent of Code 2021 - Day 17](https://erlangforums.com/t/advent-of-code-2021-day-17/822)
**Author:** [@bjorng](https://erlangforums.com/u/bjorng)\ **Replies:** 3\ **Last updated:** [December 18, 2021, 8:03am UTC](https://erlangforums.com/t/advent-of-code-2021-day-17/822 "2021-12-18T08:03:30Z")
This topic is about Day 17 of the Advent of Code 2021. We have a private leaderboard (shared with users of the elixir forum): https://adventofcode.com/2021/leaderboard/private/view/370884 The entry code is: 370884-a6… [Previous page](https://erlangforums.com/c/questions-discussions/coding-challenges/83.md?page=1) [Next page](https://erlangforums.com/c/questions-discussions/coding-challenges/83.md?page=3)