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    1. The temporary sub-group for Advent of Code is back - subscribe if you're interested!

      As we did for the last two years, I've set up a temporary sub-group that we can use for this year's Advent of Code at ~comp.advent_of_code I moved all the Day 1 solutions that were posted in the...

      As we did for the last two years, I've set up a temporary sub-group that we can use for this year's Advent of Code at ~comp.advent_of_code

      I moved all the Day 1 solutions that were posted in the thread that @JRandomHacker posted into a dedicated post for the Day 1 problem, and I've set up scheduled posts to happen automatically as each day's puzzle unlocks.

      I also automatically subscribed everyone that voted on that original topic, as well as everyone that posted a comment in any of the previous years' topics, but nobody else. So if you're interested in participating in Advent of Code or discussing it, please subscribe to the sub-group. Posts from the sub-group won't be shown to logged-out users by default either, so any logged-out users that want to observe will need to visit the sub-group directly (or you're welcome to email me and request an invite so you can register and subscribe).

      24 votes
    2. Day 19: Monster Messages

      Today's problem description: https://adventofcode.com/2020/day/19 Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c. Please post your...

      Today's problem description: https://adventofcode.com/2020/day/19


      Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c.

      Please post your solutions in your own top-level comment. Here's a template you can copy-paste into your comment to format it nicely, with the code collapsed by default inside an expandable section with syntax highlighting (you can replace python with any of the "short names" listed in this page of supported languages):

      <details>
      <summary>Part 1</summary>
      
      ```python
      Your code here.
      ```
      
      </details>
      
      10 votes
    3. Day 18: Operation Order

      Today's problem description: https://adventofcode.com/2020/day/18 Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c. Please post your...

      Today's problem description: https://adventofcode.com/2020/day/18


      Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c.

      Please post your solutions in your own top-level comment. Here's a template you can copy-paste into your comment to format it nicely, with the code collapsed by default inside an expandable section with syntax highlighting (you can replace python with any of the "short names" listed in this page of supported languages):

      <details>
      <summary>Part 1</summary>
      
      ```python
      Your code here.
      ```
      
      </details>
      
      11 votes
    4. Day 24: Lobby Layout

      Today's problem description: https://adventofcode.com/2020/day/24 Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c. Please post your...

      Today's problem description: https://adventofcode.com/2020/day/24


      Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c.

      Please post your solutions in your own top-level comment. Here's a template you can copy-paste into your comment to format it nicely, with the code collapsed by default inside an expandable section with syntax highlighting (you can replace python with any of the "short names" listed in this page of supported languages):

      <details>
      <summary>Part 1</summary>
      
      ```python
      Your code here.
      ```
      
      </details>
      
      8 votes
    5. Day 25: Combo Breaker

      Today's problem description: https://adventofcode.com/2020/day/25 Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c. Please post your...

      Today's problem description: https://adventofcode.com/2020/day/25


      Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c.

      Please post your solutions in your own top-level comment. Here's a template you can copy-paste into your comment to format it nicely, with the code collapsed by default inside an expandable section with syntax highlighting (you can replace python with any of the "short names" listed in this page of supported languages):

      <details>
      <summary>Part 1</summary>
      
      ```python
      Your code here.
      ```
      
      </details>
      
      8 votes
    6. In-depth walkthroughs of Rust solutions for Advent of Code 2020 by Amos Wenger (fasterthanlime)

      I always enjoy Amos' writing, he does a great job of walking through topics in depth and explaining each step of the way. It looks like he's starting a new series to work through all of this...

      I always enjoy Amos' writing, he does a great job of walking through topics in depth and explaining each step of the way. It looks like he's starting a new series to work through all of this year's Advent of Code problems, which will probably be a good read for people interested in Rust (whether you already have experience with it or not).

      Only the first day is up so far, but the overall series page is here, and individual links:

      I'll update this post with new links as the new parts come out, and possibly bump it occasionally.

      9 votes
    7. Day 17: Conway Cubes

      Today's problem description: https://adventofcode.com/2020/day/17 Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c. Please post your...

      Today's problem description: https://adventofcode.com/2020/day/17


      Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c.

      Please post your solutions in your own top-level comment. Here's a template you can copy-paste into your comment to format it nicely, with the code collapsed by default inside an expandable section with syntax highlighting (you can replace python with any of the "short names" listed in this page of supported languages):

      <details>
      <summary>Part 1</summary>
      
      ```python
      Your code here.
      ```
      
      </details>
      
      9 votes
    8. Day 23: Crab Cups

      Today's problem description: https://adventofcode.com/2020/day/23 Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c. Please post your...

      Today's problem description: https://adventofcode.com/2020/day/23


      Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c.

      Please post your solutions in your own top-level comment. Here's a template you can copy-paste into your comment to format it nicely, with the code collapsed by default inside an expandable section with syntax highlighting (you can replace python with any of the "short names" listed in this page of supported languages):

      <details>
      <summary>Part 1</summary>
      
      ```python
      Your code here.
      ```
      
      </details>
      
      8 votes
    9. Day 21: Allergen Assessment

      Today's problem description: https://adventofcode.com/2020/day/21 Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c. Please post your...

      Today's problem description: https://adventofcode.com/2020/day/21


      Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c.

      Please post your solutions in your own top-level comment. Here's a template you can copy-paste into your comment to format it nicely, with the code collapsed by default inside an expandable section with syntax highlighting (you can replace python with any of the "short names" listed in this page of supported languages):

      <details>
      <summary>Part 1</summary>
      
      ```python
      Your code here.
      ```
      
      </details>
      
      10 votes
    10. Day 20: Jurassic Jigsaw

      Today's problem description: https://adventofcode.com/2020/day/20 Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c. Please post your...

      Today's problem description: https://adventofcode.com/2020/day/20


      Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c.

      Please post your solutions in your own top-level comment. Here's a template you can copy-paste into your comment to format it nicely, with the code collapsed by default inside an expandable section with syntax highlighting (you can replace python with any of the "short names" listed in this page of supported languages):

      <details>
      <summary>Part 1</summary>
      
      ```python
      Your code here.
      ```
      
      </details>
      
      10 votes
    11. Day 22: Crab Combat

      Today's problem description: https://adventofcode.com/2020/day/22 Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c. Please post your...

      Today's problem description: https://adventofcode.com/2020/day/22


      Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c.

      Please post your solutions in your own top-level comment. Here's a template you can copy-paste into your comment to format it nicely, with the code collapsed by default inside an expandable section with syntax highlighting (you can replace python with any of the "short names" listed in this page of supported languages):

      <details>
      <summary>Part 1</summary>
      
      ```python
      Your code here.
      ```
      
      </details>
      
      8 votes
    12. Day 16: Ticket Translation

      Today's problem description: https://adventofcode.com/2020/day/16 Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c. Please post your...

      Today's problem description: https://adventofcode.com/2020/day/16


      Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c.

      Please post your solutions in your own top-level comment. Here's a template you can copy-paste into your comment to format it nicely, with the code collapsed by default inside an expandable section with syntax highlighting (you can replace python with any of the "short names" listed in this page of supported languages):

      <details>
      <summary>Part 1</summary>
      
      ```python
      Your code here.
      ```
      
      </details>
      
      11 votes
    13. Day 12: Rain Risk

      Today's problem description: https://adventofcode.com/2020/day/12 Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c. Please post your...

      Today's problem description: https://adventofcode.com/2020/day/12


      Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c.

      Please post your solutions in your own top-level comment. Here's a template you can copy-paste into your comment to format it nicely, with the code collapsed by default inside an expandable section with syntax highlighting (you can replace python with any of the "short names" listed in this page of supported languages):

      <details>
      <summary>Part 1</summary>
      
      ```python
      Your code here.
      ```
      
      </details>
      
      12 votes
    14. Day 11: Seating System

      Today's problem description: https://adventofcode.com/2020/day/11 Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c. Please post your...

      Today's problem description: https://adventofcode.com/2020/day/11


      Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c.

      Please post your solutions in your own top-level comment. Here's a template you can copy-paste into your comment to format it nicely, with the code collapsed by default inside an expandable section with syntax highlighting (you can replace python with any of the "short names" listed in this page of supported languages):

      <details>
      <summary>Part 1</summary>
      
      ```python
      Your code here.
      ```
      
      </details>
      
      13 votes
    15. Day 15: Rambunctious Recitation

      Today's problem description: https://adventofcode.com/2020/day/15 Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c. Please post your...

      Today's problem description: https://adventofcode.com/2020/day/15


      Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c.

      Please post your solutions in your own top-level comment. Here's a template you can copy-paste into your comment to format it nicely, with the code collapsed by default inside an expandable section with syntax highlighting (you can replace python with any of the "short names" listed in this page of supported languages):

      <details>
      <summary>Part 1</summary>
      
      ```python
      Your code here.
      ```
      
      </details>
      
      11 votes
    16. Day 14: Docking Data

      Today's problem description: https://adventofcode.com/2020/day/14 Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c. Please post your...

      Today's problem description: https://adventofcode.com/2020/day/14


      Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c.

      Please post your solutions in your own top-level comment. Here's a template you can copy-paste into your comment to format it nicely, with the code collapsed by default inside an expandable section with syntax highlighting (you can replace python with any of the "short names" listed in this page of supported languages):

      <details>
      <summary>Part 1</summary>
      
      ```python
      Your code here.
      ```
      
      </details>
      
      9 votes
    17. Day 10: Adapter Array

      Today's problem description: https://adventofcode.com/2020/day/10 Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c. Please post your...

      Today's problem description: https://adventofcode.com/2020/day/10


      Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c.

      Please post your solutions in your own top-level comment. Here's a template you can copy-paste into your comment to format it nicely, with the code collapsed by default inside an expandable section with syntax highlighting (you can replace python with any of the "short names" listed in this page of supported languages):

      <details>
      <summary>Part 1</summary>
      
      ```python
      Your code here.
      ```
      
      </details>
      
      14 votes
    18. Day 13: Shuttle Search

      Today's problem description: https://adventofcode.com/2020/day/13 Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c. Please post your...

      Today's problem description: https://adventofcode.com/2020/day/13


      Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c.

      Please post your solutions in your own top-level comment. Here's a template you can copy-paste into your comment to format it nicely, with the code collapsed by default inside an expandable section with syntax highlighting (you can replace python with any of the "short names" listed in this page of supported languages):

      <details>
      <summary>Part 1</summary>
      
      ```python
      Your code here.
      ```
      
      </details>
      
      11 votes
    19. Day 7: Handy Haversacks

      Today's problem description: https://adventofcode.com/2020/day/7 Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c. Please post your...

      Today's problem description: https://adventofcode.com/2020/day/7


      Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c.

      Please post your solutions in your own top-level comment. Here's a template you can copy-paste into your comment to format it nicely, with the code collapsed by default inside an expandable section with syntax highlighting (you can replace python with any of the "short names" listed in this page of supported languages):

      <details>
      <summary>Part 1</summary>
      
      ```python
      Your code here.
      ```
      
      </details>
      
      12 votes
    20. Day 9: Encoding Error

      Today's problem description: https://adventofcode.com/2020/day/9 Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c. Please post your...

      Today's problem description: https://adventofcode.com/2020/day/9


      Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c.

      Please post your solutions in your own top-level comment. Here's a template you can copy-paste into your comment to format it nicely, with the code collapsed by default inside an expandable section with syntax highlighting (you can replace python with any of the "short names" listed in this page of supported languages):

      <details>
      <summary>Part 1</summary>
      
      ```python
      Your code here.
      ```
      
      </details>
      
      11 votes
    21. Day 8: Handheld Halting

      Today's problem description: https://adventofcode.com/2020/day/8 Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c. Please post your...

      Today's problem description: https://adventofcode.com/2020/day/8


      Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c.

      Please post your solutions in your own top-level comment. Here's a template you can copy-paste into your comment to format it nicely, with the code collapsed by default inside an expandable section with syntax highlighting (you can replace python with any of the "short names" listed in this page of supported languages):

      <details>
      <summary>Part 1</summary>
      
      ```python
      Your code here.
      ```
      
      </details>
      
      12 votes
    22. Day 2: Password Philosophy

      Today's problem description: https://adventofcode.com/2020/day/2 Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c. Please post your...

      Today's problem description: https://adventofcode.com/2020/day/2


      Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c.

      Please post your solutions in your own top-level comment. Here's a template you can copy-paste into your comment to format it nicely, with the code collapsed by default inside an expandable section with syntax highlighting (you can replace python with any of the "short names" listed in this page of supported languages):

      <details>
      <summary>Part 1</summary>
      
      ```python
      Your code here.
      ```
      
      </details>
      
      15 votes
    23. Day 1: Report Repair

      Today's problem description: https://adventofcode.com/2020/day/1 Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c. Please post your...

      Today's problem description: https://adventofcode.com/2020/day/1


      Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c.

      Please post your solutions in your own top-level comment. Here's a template you can copy-paste into your comment to format it nicely, with the code collapsed by default inside an expandable section with syntax highlighting (you can replace python with any of the "short names" listed in this page of supported languages):

      <details>
      <summary>Part 1</summary>
      
      ```python
      Your code here.
      ```
      
      </details>
      
      13 votes
    24. Day 5: Binary Boarding

      Today's problem description: https://adventofcode.com/2020/day/5 Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c. Please post your...

      Today's problem description: https://adventofcode.com/2020/day/5


      Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c.

      Please post your solutions in your own top-level comment. Here's a template you can copy-paste into your comment to format it nicely, with the code collapsed by default inside an expandable section with syntax highlighting (you can replace python with any of the "short names" listed in this page of supported languages):

      <details>
      <summary>Part 1</summary>
      
      ```python
      Your code here.
      ```
      
      </details>
      
      13 votes
    25. Day 6: Custom Customs

      Today's problem description: https://adventofcode.com/2020/day/6 Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c. Please post your...

      Today's problem description: https://adventofcode.com/2020/day/6


      Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c.

      Please post your solutions in your own top-level comment. Here's a template you can copy-paste into your comment to format it nicely, with the code collapsed by default inside an expandable section with syntax highlighting (you can replace python with any of the "short names" listed in this page of supported languages):

      <details>
      <summary>Part 1</summary>
      
      ```python
      Your code here.
      ```
      
      </details>
      
      10 votes
    26. IRC, anyone?

      I've created a room on Freenode called #tildes-aoc. It could be fun to jump in and hang out while we work on these problems.

      9 votes
    27. Day 4: Passport Processing

      Today's problem description: https://adventofcode.com/2020/day/4 Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c. Please post your...

      Today's problem description: https://adventofcode.com/2020/day/4


      Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c.

      Please post your solutions in your own top-level comment. Here's a template you can copy-paste into your comment to format it nicely, with the code collapsed by default inside an expandable section with syntax highlighting (you can replace python with any of the "short names" listed in this page of supported languages):

      <details>
      <summary>Part 1</summary>
      
      ```python
      Your code here.
      ```
      
      </details>
      
      13 votes
    28. Day 3: Toboggan Trajectory

      Today's problem description: https://adventofcode.com/2020/day/3 Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c. Please post your...

      Today's problem description: https://adventofcode.com/2020/day/3


      Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c.

      Please post your solutions in your own top-level comment. Here's a template you can copy-paste into your comment to format it nicely, with the code collapsed by default inside an expandable section with syntax highlighting (you can replace python with any of the "short names" listed in this page of supported languages):

      <details>
      <summary>Part 1</summary>
      
      ```python
      Your code here.
      ```
      
      </details>
      
      12 votes
    29. I've created a temporary sub-group for Advent of Code 2020, subscribe if you're interested!

      As we did last year, I've set up a temporary sub-group that we can use for this year's Advent of Code at ~comp.advent_of_code Some discussion and solutions were starting in this thread, but it...

      As we did last year, I've set up a temporary sub-group that we can use for this year's Advent of Code at ~comp.advent_of_code

      Some discussion and solutions were starting in this thread, but it will be easier to organize inside a devoted sub-group, and also makes it simpler for people to both find and avoid the relevant topics.

      If you posted solutions in that topic, please move them into the threads for Day 1 and Day 2.

      I automatically subscribed everyone that commented in or voted on that original topic, as well as everyone that posted a comment in any of last year's topics, but nobody else. So if you're interested in participating in Advent of Code or discussing it, please subscribe to the sub-group. Posts from the sub-group won't be shown to logged-out users by default either, so any logged-out users that want to observe will need to visit the sub-group directly (or you're welcome to email me and request an invite so you can register and subscribe).

      I've also set up scheduled posts to happen automatically as each day's puzzle unlocks.

      25 votes
    30. Day 25: Cryostasis

      Today's problem description: https://adventofcode.com/2019/day/25 Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c. Please post your...

      Today's problem description: https://adventofcode.com/2019/day/25


      Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c.

      Please post your solutions in your own top-level comment. Here's a template you can copy-paste into your comment to format it nicely, with the code collapsed by default inside an expandable section with syntax highlighting (you can replace python with any of the "short names" listed in this page of supported languages):

      <details>
      <summary>Part 1</summary>
      
      ```python
      Your code here.
      ```
      
      </details>
      
      5 votes
    31. Day 24: Planet of Discord

      Today's problem description: https://adventofcode.com/2019/day/24 Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c. Please post your...

      Today's problem description: https://adventofcode.com/2019/day/24


      Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c.

      Please post your solutions in your own top-level comment. Here's a template you can copy-paste into your comment to format it nicely, with the code collapsed by default inside an expandable section with syntax highlighting (you can replace python with any of the "short names" listed in this page of supported languages):

      <details>
      <summary>Part 1</summary>
      
      ```python
      Your code here.
      ```
      
      </details>
      
      4 votes
    32. Day 23: Category Six

      Today's problem description: https://adventofcode.com/2019/day/23 Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c. Please post your...

      Today's problem description: https://adventofcode.com/2019/day/23


      Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c.

      Please post your solutions in your own top-level comment. Here's a template you can copy-paste into your comment to format it nicely, with the code collapsed by default inside an expandable section with syntax highlighting (you can replace python with any of the "short names" listed in this page of supported languages):

      <details>
      <summary>Part 1</summary>
      
      ```python
      Your code here.
      ```
      
      </details>
      
      5 votes
    33. Day 10: Monitoring Station

      Today's problem description: https://adventofcode.com/2019/day/10 Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c. Please post your...

      Today's problem description: https://adventofcode.com/2019/day/10


      Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c.

      Please post your solutions in your own top-level comment. Here's a template you can copy-paste into your comment to format it nicely, with the code collapsed by default inside an expandable section with syntax highlighting (you can replace python with any of the "short names" listed in this page of supported languages):

      <details>
      <summary>Part 1</summary>
      
      ```python
      Your code here.
      ```
      
      </details>
      
      8 votes
    34. Day 15: Oxygen System

      Today's problem description: https://adventofcode.com/2019/day/15 Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c. Please post your...

      Today's problem description: https://adventofcode.com/2019/day/15


      Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c.

      Please post your solutions in your own top-level comment. Here's a template you can copy-paste into your comment to format it nicely, with the code collapsed by default inside an expandable section with syntax highlighting (you can replace python with any of the "short names" listed in this page of supported languages):

      <details>
      <summary>Part 1</summary>
      
      ```python
      Your code here.
      ```
      
      </details>
      
      6 votes
    35. Day 22: Slam Shuffle

      Today's problem description: https://adventofcode.com/2019/day/22 Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c. Please post your...

      Today's problem description: https://adventofcode.com/2019/day/22


      Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c.

      Please post your solutions in your own top-level comment. Here's a template you can copy-paste into your comment to format it nicely, with the code collapsed by default inside an expandable section with syntax highlighting (you can replace python with any of the "short names" listed in this page of supported languages):

      <details>
      <summary>Part 1</summary>
      
      ```python
      Your code here.
      ```
      
      </details>
      
      6 votes
    36. Day 14: Space Stoichiometry

      Today's problem description: https://adventofcode.com/2019/day/14 Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c. Please post your...

      Today's problem description: https://adventofcode.com/2019/day/14


      Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c.

      Please post your solutions in your own top-level comment. Here's a template you can copy-paste into your comment to format it nicely, with the code collapsed by default inside an expandable section with syntax highlighting (you can replace python with any of the "short names" listed in this page of supported languages):

      <details>
      <summary>Part 1</summary>
      
      ```python
      Your code here.
      ```
      
      </details>
      
      8 votes
    37. Day 21: Springdroid Adventure

      Today's problem description: https://adventofcode.com/2019/day/21 Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c. Please post your...

      Today's problem description: https://adventofcode.com/2019/day/21


      Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c.

      Please post your solutions in your own top-level comment. Here's a template you can copy-paste into your comment to format it nicely, with the code collapsed by default inside an expandable section with syntax highlighting (you can replace python with any of the "short names" listed in this page of supported languages):

      <details>
      <summary>Part 1</summary>
      
      ```python
      Your code here.
      ```
      
      </details>
      
      5 votes
    38. Day 20: Donut Maze

      Today's problem description: https://adventofcode.com/2019/day/20 Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c. Please post your...

      Today's problem description: https://adventofcode.com/2019/day/20


      Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c.

      Please post your solutions in your own top-level comment. Here's a template you can copy-paste into your comment to format it nicely, with the code collapsed by default inside an expandable section with syntax highlighting (you can replace python with any of the "short names" listed in this page of supported languages):

      <details>
      <summary>Part 1</summary>
      
      ```python
      Your code here.
      ```
      
      </details>
      
      5 votes
    39. Day 7: Amplification Circuit

      Today's problem description: https://adventofcode.com/2019/day/7 Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c. Please post your...

      Today's problem description: https://adventofcode.com/2019/day/7


      Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c.

      Please post your solutions in your own top-level comment. Here's a template you can copy-paste into your comment to format it nicely, with the code collapsed by default inside an expandable section with syntax highlighting (you can replace python with any of the "short names" listed in this page of supported languages):

      <details>
      <summary>Part 1</summary>
      
      ```python
      Your code here.
      ```
      
      </details>
      
      10 votes
    40. Day 18: Many-Worlds Interpretation

      Today's problem description: https://adventofcode.com/2019/day/18 Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c. Please post your...

      Today's problem description: https://adventofcode.com/2019/day/18


      Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c.

      Please post your solutions in your own top-level comment. Here's a template you can copy-paste into your comment to format it nicely, with the code collapsed by default inside an expandable section with syntax highlighting (you can replace python with any of the "short names" listed in this page of supported languages):

      <details>
      <summary>Part 1</summary>
      
      ```python
      Your code here.
      ```
      
      </details>
      
      8 votes
    41. Day 19: Tractor Beam

      Today's problem description: https://adventofcode.com/2019/day/19 Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c. Please post your...

      Today's problem description: https://adventofcode.com/2019/day/19


      Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c.

      Please post your solutions in your own top-level comment. Here's a template you can copy-paste into your comment to format it nicely, with the code collapsed by default inside an expandable section with syntax highlighting (you can replace python with any of the "short names" listed in this page of supported languages):

      <details>
      <summary>Part 1</summary>
      
      ```python
      Your code here.
      ```
      
      </details>
      
      6 votes
    42. Day 6: Universal Orbit Map

      Today's problem description: https://adventofcode.com/2019/day/6 Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c. Please post your...

      Today's problem description: https://adventofcode.com/2019/day/6


      Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c.

      Please post your solutions in your own top-level comment. Here's a template you can copy-paste into your comment to format it nicely, with the code collapsed by default inside an expandable section with syntax highlighting (you can replace python with any of the "short names" listed in this page of supported languages):

      <details>
      <summary>Part 1</summary>
      
      ```python
      Your code here.
      ```
      
      </details>
      
      11 votes
    43. Day 17: Set and Forget

      Today's problem description: https://adventofcode.com/2019/day/17 Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c. Please post your...

      Today's problem description: https://adventofcode.com/2019/day/17


      Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c.

      Please post your solutions in your own top-level comment. Here's a template you can copy-paste into your comment to format it nicely, with the code collapsed by default inside an expandable section with syntax highlighting (you can replace python with any of the "short names" listed in this page of supported languages):

      <details>
      <summary>Part 1</summary>
      
      ```python
      Your code here.
      ```
      
      </details>
      
      7 votes
    44. Day 16: Flawed Frequency Transmission

      Today's problem description: https://adventofcode.com/2019/day/16 Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c. Please post your...

      Today's problem description: https://adventofcode.com/2019/day/16


      Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c.

      Please post your solutions in your own top-level comment. Here's a template you can copy-paste into your comment to format it nicely, with the code collapsed by default inside an expandable section with syntax highlighting (you can replace python with any of the "short names" listed in this page of supported languages):

      <details>
      <summary>Part 1</summary>
      
      ```python
      Your code here.
      ```
      
      </details>
      
      6 votes
    45. Day 13: Care Package

      Today's problem description: https://adventofcode.com/2019/day/13 Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c. Please post your...

      Today's problem description: https://adventofcode.com/2019/day/13


      Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c.

      Please post your solutions in your own top-level comment. Here's a template you can copy-paste into your comment to format it nicely, with the code collapsed by default inside an expandable section with syntax highlighting (you can replace python with any of the "short names" listed in this page of supported languages):

      <details>
      <summary>Part 1</summary>
      
      ```python
      Your code here.
      ```
      
      </details>
      
      8 votes
    46. Day 12: The N-Body Problem

      Today's problem description: https://adventofcode.com/2019/day/12 Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c. Please post your...

      Today's problem description: https://adventofcode.com/2019/day/12


      Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c.

      Please post your solutions in your own top-level comment. Here's a template you can copy-paste into your comment to format it nicely, with the code collapsed by default inside an expandable section with syntax highlighting (you can replace python with any of the "short names" listed in this page of supported languages):

      <details>
      <summary>Part 1</summary>
      
      ```python
      Your code here.
      ```
      
      </details>
      
      9 votes