| 1. | | Advent of Code 2025 (adventofcode.com) |
| 1243 points by vismit2000 10 months ago | past | 397 comments |
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| 2. | | Advent of Code 2025 is nigh – Dec 1-12 (adventofcode.com) |
| 3 points by vismit2000 10 months ago | past |
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| 3. | | Reservoir Research – Water flow simulation (2017) (adventofcode.com) |
| 2 points by vismit2000 11 months ago | past |
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| 4. | | Advent of Code 2025: Number of puzzles reduce from 25 to 12 for the first time (adventofcode.com) |
| 480 points by vismit2000 12 months ago | past | 219 comments |
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| 5. | | Advent of Code is 12 days this year (adventofcode.com) |
| 3 points by rdtsc 12 months ago | past | 1 comment |
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| 6. | | Advent of Code reduced to 12 days (Dec 1 – 12) (adventofcode.com) |
| 2 points by lrsjng 12 months ago | past | 1 comment |
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| 7. | | Advent of Code 2025, there will be 12 days of puzzles (adventofcode.com) |
| 4 points by praseodym 12 months ago | past | 1 comment |
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| 8. | | Advent of Code (adventofcode.com) |
| 2 points by andsoitis on Oct 19, 2025 | past |
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| 9. | | Advent of Code 2024 (adventofcode.com) |
| 1388 points by thinkingemote on Dec 1, 2024 | past | 554 comments |
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| 10. | | Advent of Code 2024 (adventofcode.com) |
| 6 points by backslash_16 on Dec 1, 2024 | past |
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| 11. | | Day 1 – Advent of Code 2024 (adventofcode.com) |
| 7 points by praseodym on Dec 1, 2024 | past | 3 comments |
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| 12. | | Advent of Code 2024 is nigh (adventofcode.com) |
| 7 points by vismit2000 on Nov 30, 2024 | past |
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| 13. | | Advent of Code 2024 (adventofcode.com) |
| 2 points by praseodym on Oct 15, 2024 | past |
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| 14. | | Advent of Code 2023: Day 7: Camel Cards (adventofcode.com) |
| 1 point by susanthenerd on Dec 7, 2023 | past |
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| 15. | | Advent of Code 2023 Day 2: Cube Conundrum (adventofcode.com) |
| 26 points by susanthenerd on Dec 2, 2023 | past | 8 comments |
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| 16. | | Advent of Code 2023 (adventofcode.com) |
| 4 points by PascalW on Dec 1, 2023 | past |
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| 17. | | Advent of Code 2023 has begun (adventofcode.com) |
| 7 points by fdeage on Dec 1, 2023 | past |
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| 18. | | Advent of Code 2023 is nigh (adventofcode.com) |
| 297 points by i13e on Dec 1, 2023 | past | 303 comments |
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| 19. | | Advent of Code 2023 (adventofcode.com) |
| 4 points by aquova on Nov 30, 2023 | past |
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| 20. | | Please don't use AI to get on the global leaderboard (adventofcode.com) |
| 134 points by saikatsg on Nov 28, 2023 | past | 160 comments |
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| 21. | | Advent of Code 2023 (adventofcode.com) |
| 6 points by freilanzer on Nov 27, 2023 | past | 3 comments |
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| 22. | | Advent of Code 2023's new AI/LLM Policy (adventofcode.com) |
| 174 points by eddtries on Oct 16, 2023 | past | 129 comments |
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| 23. | | Advent of Code is getting out of hand (adventofcode.com) |
| 3 points by raydiatian on Dec 11, 2022 | past |
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| 24. | | Advent of Code 2022: Day 1 (adventofcode.com) |
| 3 points by davikr on Dec 1, 2022 | past |
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| 25. | | Advent of Code 2022 (adventofcode.com) |
| 2 points by ducharmdev on Dec 1, 2022 | past | 1 comment |
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| 26. | | 2022 Advent of Code (adventofcode.com) |
| 2 points by thepose on Dec 1, 2022 | past |
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| 27. | | Advent of Code 2022 is nigh (adventofcode.com) |
| 303 points by dpeck on Dec 1, 2022 | past | 141 comments |
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| 28. | | Advent of Code 2022 (adventofcode.com) |
| 3 points by azhenley on Dec 1, 2022 | past |
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| 29. | | Advent of Code 2022 (adventofcode.com) |
| 3 points by kris-s on Dec 1, 2022 | past |
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| 30. | | Advent of Code 2022 (adventofcode.com) |
| 3 points by laacz on Nov 30, 2022 | past |
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