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- Advent of Code 2025
Our sponsors help make Advent of Code possible: Jane Street - We're a research-driven trading firm where curious people work together to solve the puzzle of global markets, with offices in NYC, London, Hong Kong, and Singapore Check out our new JS Advent of FPGA Challenge!
- Day 1 - Advent of Code 2024
--- Day 1: Historian Hysteria --- The Chief Historian is always present for the big Christmas sleigh launch, but nobody has seen him in months! Last anyone heard, he was visiting locations that are historically significant to the North Pole; a group of Senior Historians has asked you to accompany them as they check the places they think he was most likely to visit As each location is checked
- About - Advent of Code 2024
Advent of Code is an Advent calendar of small programming puzzles for a variety of skill levels that can be solved in any programming language you like People use them as interview prep, company training, university coursework, practice problems, a speed contest, or to challenge each other
- Advent of Code 2024
----- ------------------ --' | -' '- 1 ** --' | | | 2 ** ---' | | | 3 ** | | | | 4 ** | | | | 5 ** | | | ' ' | 6 ** | | | | | | 7 ** | -- | | | | | 8
- Events - Advent of Code 2024
From here, you can access all of the events (and the corresponding puzzles, leaderboards, stats, etc) ever run on Advent of Code:
- Advent of Code 2023
- We use technology, models and data to make financial lives better for our clients and communities
- Day 1 - Advent of Code 2023
You've been doing this long enough to know that to restore snow operations, you need to check all fifty stars by December 25th Collect stars by solving puzzles Two puzzles will be made available on each day in the Advent calendar; the second puzzle is unlocked when you complete the first Each puzzle grants one star Good luck!
- Day 9 - Advent of Code 2024
--- Day 9: Disk Fragmenter --- Another push of the button leaves you in the familiar hallways of some friendly amphipods! Good thing you each somehow got your own personal mini submarine The Historians jet away in search of the Chief, mostly by driving directly into walls While The Historians quickly figure out how to pilot these things, you notice an amphipod in the corner struggling with
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