Advent of Code 2015-2025 (317 of 518 stars)

Advent of Code 2025 🎅 17/24

Day	Puzzle	Progress	Solutions	Input	Notes
1	Secret Entrance	🎅🎅	Python	👁️ input
2	Gift Shop	🎅🎅	Python	👁️ input
3	Lobby	🎅🎅	Python	👁️ input
4	Printing Department	🎅🎅	Python	👁️ input
5	Cafeteria	🎅🎅	Python	👁️ input
6	Trash Compactor	🎅🎅	Python	👁️ input
7	Laboratories	🎅🎅	Python	👁️ input
8	Playground	🎅🎅	Python	👁️ input
9	Movie Theater	🎅	Python	👁️ input

 

Advent of Code 2024 🎄 44/50

Day	Puzzle	Progress	Solutions	Input	Notes
1	Historian Hysteria	🎄🎄	Python	👁️ input
2	Red-Nosed Reports	🎄🎄	Python	👁️ input
3	Mull It Over	🎄🎄	Python	👁️ input
4	Ceres Search	🎄🎄	Python	👁️ input
5	Print Queue	🎄🎄	Python	👁️ input
6	Guard Gallivant	🎄🎄	Python	👁️ input
7	Bridge Repair	🎄🎄	Python	👁️ input
8	Resonant Collinearity	🎄🎄	Python	👁️ input
9	Disk Fragmenter	🎄🎄	Python	👁️ input
10	Hoof It	🎄🎄	Python	👁️ input
11	Plutonian Pebbles	🎄🎄	Python	👁️ input
12	Garden Groups	🎄🎄	Python	👁️ input
13	Claw Contraption	🎄🎄	Python	👁️ input
14	Restroom Redoubt	🎄🎄	Python	👁️ input
15	Warehouse Woes	🎄🎄	Python	👁️ input
16	Reindeer Maze	🎄🎄	Python	👁️ input
17	Chronospatial Computer	🎄	Python	👁️ input
18	RAM Run	🎄🎄	Python	👁️ input
19	Linen Layout	🎄🎄	Python	👁️ input
20	Race Condition	🎄	Python	👁️ input
21	Keypad Conundrum		Python	👁️ input
22	Monkey Market	🎄🎄	Python	👁️ input
23	LAN Party	🎄🎄	Python	👁️ input
24	Crossed Wires	🎄	Python	👁️ input
25	Code Chronicle	🎄	Python	👁️ input

 

Advent of Code 2023 🎁 9/50

Day	Puzzle	Progress	Solutions	Input	Notes
1	Trebuchet?!	🎁🎁	Python	👁️ input
2	Cube Conundrum	🎁🎁	Python	👁️ input
3	Gear Ratios	🎁🎁	Python	👁️ input
4	Scratchcards	🎁🎁	Python	👁️ input
5	If You Give A Seed A Fertilizer		Python	👁️ input
6	Wait For It			👁️ input
7	Camel Cards	🎁	Python	👁️ input
8	Haunted Wasteland			👁️ input
9	Mirage Maintenance			👁️ input
10	Pipe Maze			👁️ input
11	Cosmic Expansion			👁️ input
12	Hot Springs			👁️ input
13	Point of Incidence			👁️ input
14	Parabolic Reflector Dish			👁️ input
15	Lens Library			👁️ input
16	The Floor Will Be Lava			👁️ input
17	Clumsy Crucible			👁️ input
18	Lavaduct Lagoon			👁️ input
19	Aplenty			👁️ input
20	Pulse Propagation			👁️ input
21	Step Counter			👁️ input
22	Sand Slabs			👁️ input
23	A Long Walk		Python	👁️ input
24	Never Tell Me The Odds			👁️ input
25	Snowverload			👁️ input

 

Advent of Code 2022 🍪 18/50

Day	Puzzle	Progress	Solutions	Input	Notes
1	Calorie Counting	🍪🍪	Ruby	👁️ input
2	Rock Paper Scissors	🍪🍪	Ruby	👁️ input
3	Rucksack Reorganization	🍪🍪	Ruby	👁️ input
4	Camp Cleanup	🍪🍪	Ruby	👁️ input
5	Supply Stacks	🍪🍪	Ruby	👁️ input
6	Tuning Trouble	🍪🍪	Ruby	👁️ input
7	No Space Left On Device	🍪🍪	Python	👁️ input
8	Treetop Tree House	🍪🍪	Python	👁️ input
9	Rope Bridge	🍪🍪	Python	👁️ input
10	Cathode-Ray Tube			👁️ input
11	Monkey in the Middle			👁️ input
12	Hill Climbing Algorithm			👁️ input
13	Distress Signal			👁️ input
14	Regolith Reservoir			👁️ input
15	Beacon Exclusion Zone			👁️ input
16	Proboscidea Volcanium			👁️ input
17	Pyroclastic Flow			👁️ input
18	Boiling Boulders			👁️ input
19	Not Enough Minerals			👁️ input
20	Grove Positioning System			👁️ input
21	Monkey Math			👁️ input
22	Monkey Map			👁️ input
23	Unstable Diffusion			👁️ input
24	Blizzard Basin			👁️ input
25	Full of Hot Air			👁️ input

 

Advent of Code 2021 🦌 45/50

Day	Puzzle	Progress	Solutions	Input	Notes
1	Sonar Sweep	🦌🦌	Ruby	👁️ input
2	Dive!	🦌🦌	Ruby	👁️ input
3	Binary Diagnostic	🦌🦌	Ruby	👁️ input
4	Giant Squid	🦌🦌	Ruby	👁️ input
5	Hydrothermal Venture	🦌🦌	Ruby	👁️ input
6	Lanternfish	🦌🦌	Ruby	👁️ input
7	The Treachery of Whales	🦌🦌	Ruby	👁️ input
8	Seven Segment Search	🦌🦌	Ruby	👁️ input
9	Smoke Basin	🦌🦌	Ruby	👁️ input
10	Syntax Scoring	🦌🦌	Ruby	👁️ input
11	Dumbo Octopus	🦌🦌	Ruby	👁️ input
12	Passage Pathing	🦌🦌	Ruby	👁️ input
13	Transparent Origami	🦌🦌	Ruby	👁️ input
14	Extended Polymerization	🦌🦌	Ruby	👁️ input
15	Chiton	🦌🦌	Ruby	👁️ input
16	Packet Decoder	🦌🦌	Ruby	👁️ input
17	Trick Shot	🦌🦌	Ruby	👁️ input
18	Snailfish	🦌🦌	Ruby	👁️ input
19	Beacon Scanner	🦌🦌	Ruby	👁️ input
20	Trench Map	🦌🦌	Ruby	👁️ input
21	Dirac Dice	🦌🦌	Ruby	👁️ input
22	Reactor Reboot	🦌🦌	Ruby	👁️ input
23	Amphipod			👁️ input
24	Arithmetic Logic Unit			👁️ input
25	Sea Cucumber	🦌	Ruby	👁️ input

 

Advent of Code 2020 🎅 47/50

Day	Puzzle	Progress	Solutions	Input	Notes
1	Report Repair	🎅🎅	Python, Ruby	👁️ input
2	Password Philosophy	🎅🎅	Ruby	👁️ input
3	Toboggan Trajectory	🎅🎅	Ruby	👁️ input
4	Passport Processing	🎅🎅	Ruby	👁️ input
5	Binary Boarding	🎅🎅	Ruby	👁️ input
6	Custom Customs	🎅🎅	Ruby	👁️ input
7	Handy Haversacks	🎅🎅	Ruby	👁️ input
8	Handheld Halting	🎅🎅	Ruby	👁️ input
9	Encoding Error	🎅🎅	Ruby	👁️ input
10	Adapter Array	🎅🎅	Ruby	👁️ input
11	Seating System	🎅🎅	Ruby	👁️ input
12	Rain Risk	🎅🎅	Ruby	👁️ input	code golf
13	Shuttle Search	🎅	Ruby	👁️ input
14	Docking Data	🎅🎅	Ruby	👁️ input
15	Rambunctious Recitation	🎅🎅	Ruby	👁️ input
16	Ticket Translation	🎅🎅	Ruby	👁️ input
17	Conway Cubes	🎅🎅	Ruby	👁️ input
18	Operation Order	🎅🎅	Ruby	👁️ input	trick
19	Monster Messages	🎅🎅	Ruby	👁️ input
20	Jurassic Jigsaw	🎅🎅	Ruby	👁️ input
21	Allergen Assessment	🎅🎅	Ruby	👁️ input
22	Crab Combat	🎅🎅	Ruby	👁️ input
23	Crab Cups			👁️ input
24	Lobby Layout	🎅🎅	Ruby	👁️ input
25	Combo Breaker	🎅🎅	Ruby	👁️ input

 

Advent of Code 2019 🎄 14/50

Day	Puzzle	Progress	Solutions	Input	Notes
1	The Tyranny of the Rocket Equation	🎄🎄	Python	👁️ input
2	1202 Program Alarm	🎄🎄	Python	👁️ input
3	Crossed Wires	🎄🎄	Python	👁️ input
4	Secure Container	🎄🎄	Python	👁️ input
5	Sunny with a Chance of Asteroids	🎄🎄	Python	👁️ input
6	Universal Orbit Map	🎄🎄	Python	👁️ input
7	Amplification Circuit			👁️ input
8	Space Image Format	🎄🎄	Python	👁️ input
9	Sensor Boost			👁️ input
10	Monitoring Station			👁️ input
11	Space Police			👁️ input
12	The N-Body Problem			👁️ input
13	Care Package			👁️ input
14	Space Stoichiometry			👁️ input
15	Oxygen System			👁️ input
16	Flawed Frequency Transmission			👁️ input
17	Set and Forget			👁️ input
18	Many-Worlds Interpretation			👁️ input
19	Tractor Beam			👁️ input
20	Donut Maze			👁️ input
21	Springdroid Adventure			👁️ input
22	Slam Shuffle			👁️ input
23	Category Six			👁️ input
24	Planet of Discord			👁️ input
25	Cryostasis			👁️ input

 

Advent of Code 2018 🎁 20/50

Day	Puzzle	Progress	Solutions	Input	Notes
1	Chronal Calibration	🎁🎁	Python	👁️ input
2	Inventory Management System	🎁🎁	Python	👁️ input
3	No Matter How You Slice It	🎁🎁	Python	👁️ input
4	Repose Record			👁️ input
5	Alchemical Reduction	🎁🎁	Python	👁️ input
6	Chronal Coordinates	🎁🎁	Python	👁️ input
7	The Sum of Its Parts	🎁🎁	Python	👁️ input
8	Memory Maneuver	🎁🎁	Python	👁️ input
9	Marble Mania	🎁🎁	Python	👁️ input	Zawsze należy zastanowić się nad optymalną strukturą danych. Tutaj doskonale sprawdziła się lista dwukierunkowa. Doskonały przykład, aby dostrzec różnicę.
10	The Stars Align	🎁🎁	Python	👁️ input
11	Chronal Charge	🎁🎁	Python	👁️ input
12	Subterranean Sustainability			👁️ input
13	Mine Cart Madness			👁️ input
14	Chocolate Charts			👁️ input
15	Beverage Bandits			👁️ input
16	Chronal Classification			👁️ input
17	Reservoir Research		Ruby	👁️ input
18	Settlers of The North Pole			👁️ input
19	Go With The Flow			👁️ input
20	A Regular Map			👁️ input
21	Chronal Conversion			👁️ input
22	Mode Maze			👁️ input
23	Experimental Emergency Teleportation			👁️ input
24	Immune System Simulator 20XX			👁️ input
25	Four-Dimensional Adventure			👁️ input

 

Advent of Code 2017 🍪 36/50

Day	Puzzle	Progress	Solutions	Input	Notes
1	Inverse Captcha	🍪🍪	Python	👁️ input
2	Corruption Checksum	🍪🍪	Python	👁️ input
3	Spiral Memory	🍪🍪	Python	👁️ input
4	High-Entropy Passphrases	🍪🍪	Python	👁️ input
5	A Maze of Twisty Trampolines, All Alike	🍪🍪	Python	👁️ input
6	Memory Reallocation	🍪🍪	Python	👁️ input
7	Recursive Circus	🍪🍪	Python	👁️ input
8	I Heard You Like Registers	🍪🍪	Python	👁️ input
9	Stream Processing	🍪🍪	Python	👁️ input
10	Knot Hash	🍪🍪	Python	👁️ input
11	Hex Ed	🍪🍪	Python	👁️ input
12	Digital Plumber	🍪🍪	Python	👁️ input
13	Packet Scanners	🍪🍪	Python	👁️ input
14	Disk Defragmentation	🍪🍪	Python	👁️ input
15	Dueling Generators	🍪🍪	Python	👁️ input
16	Permutation Promenade	🍪🍪	Python	👁️ input
17	Spinlock			👁️ input
18	Duet			👁️ input
19	A Series of Tubes	🍪🍪	Python	👁️ input
20	Particle Swarm			👁️ input
21	Fractal Art	🍪🍪	Python	👁️ input
22	Sporifica Virus			👁️ input
23	Coprocessor Conflagration			👁️ input
24	Electromagnetic Moat			👁️ input
25	The Halting Problem			👁️ input

 

Advent of Code 2016 🦌 28/50

Day	Puzzle	Progress	Solutions	Input	Notes
1	No Time for a Taxicab	🦌🦌	Python	👁️ input
2	Bathroom Security	🦌🦌	Python	👁️ input
3	Squares With Three Sides	🦌🦌	Python	👁️ input
4	Security Through Obscurity	🦌🦌	Python	👁️ input
5	How About a Nice Game of Chess?	🦌🦌	Python	👁️ input
6	Signals and Noise	🦌🦌	Python	👁️ input
7	Internet Protocol Version 7	🦌🦌	Python	👁️ input
8	Two-Factor Authentication	🦌🦌	Python	👁️ input
9	Explosives in Cyberspace	🦌🦌	Python	👁️ input
10	Balance Bots	🦌🦌	Python	👁️ input
11	Radioisotope Thermoelectric Generators			👁️ input
12	Leonardo's Monorail	🦌🦌	Python	👁️ input
13	A Maze of Twisty Little Cubicles	🦌🦌	Python	👁️ input
14	One-Time Pad			👁️ input
15	Timing is Everything			👁️ input
16	Dragon Checksum			👁️ input
17	Two Steps Forward			👁️ input
18	Like a Rogue	🦌🦌	Python	👁️ input
19	An Elephant Named Joseph			👁️ input
20	Firewall Rules	🦌🦌	Python	👁️ input
21	Scrambled Letters and Hash			👁️ input
22	Grid Computing			👁️ input
23	Safe Cracking			👁️ input
24	Air Duct Spelunking			👁️ input
25	Clock Signal			👁️ input

 

Advent of Code 2015 🎅 37/50

Day	Puzzle	Progress	Solutions	Input	Notes
1	Not Quite Lisp	🎅🎅	Python	👁️ input
2	I Was Told There Would Be No Math	🎅🎅	Python	👁️ input
3	Perfectly Spherical Houses in a Vacuum	🎅🎅	Python	👁️ input
4	The Ideal Stocking Stuffer	🎅🎅	Python	👁️ input
5	Doesn't He Have Intern-Elves For This?	🎅🎅	Python	👁️ input
6	Probably a Fire Hazard	🎅🎅	Python	👁️ input
7	Some Assembly Required	🎅🎅	Python	👁️ input
8	Matchsticks	🎅🎅	Python	👁️ input
9	All in a Single Night	🎅🎅	Python	👁️ input
10	Elves Look, Elves Say	🎅🎅	Python	👁️ input
11	Corporate Policy	🎅🎅	Python	👁️ input
12	JSAbacusFramework.io	🎅🎅	Python	👁️ input
13	Knights of the Dinner Table	🎅🎅	Python	👁️ input
14	Reindeer Olympics	🎅🎅	Python	👁️ input
15	Science for Hungry People	🎅🎅	Python	👁️ input
16	Aunt Sue	🎅🎅	Python	👁️ input
17	No Such Thing as Too Much	🎅🎅	Python	👁️ input
18	Like a GIF For Your Yard	🎅🎅	Python	👁️ input
19	Medicine for Rudolph	🎅	Python	👁️ input
20	Infinite Elves and Infinite Houses			👁️ input
21	RPG Simulator 20XX			👁️ input
22	Wizard Simulator 20XX			👁️ input
23	Opening the Turing Lock			👁️ input
24	It Hangs in the Balance			👁️ input
25	Let It Snow			👁️ input