aoc

Advent Of Code solutions in a mixture of languages, predominantly Q/kdb+.

2022

Stars	Day	Solutions
⭐⭐	Day 1: Calorie Counting	q
⭐⭐	Day 2: Rock Paper Scissors	q
⭐⭐	Day 3: Rucksack Reorganization	q
⭐⭐	Day 4: Camp Cleanup	q
⭐⭐	Day 5: Supply Stacks	q
⭐⭐	Day 6: Tuning Trouble	q
⭐⭐	Day 7: No Space Left On Device	q
⭐⭐	Day 8: Treetop Tree House	q
⭐⭐	Day 9: Rope Bridge	q
⭐⭐	Day 10: Cathode-Ray Tube	q
⭐⭐	Day 11: Monkey in the Middle	q
⭐⭐	Day 12: Hill Climbing Algorithm	q
⭐⭐	Day 13: Distress Signal	py, q
⭐⭐	Day 14: Regolith Reservoir	q

2021

Stars	Day	Solutions
⭐⭐	Day 1: Sonar Sweep	q
⭐⭐	Day 2: Dive!	q
⭐⭐	Day 3: Binary Diagnostic	q
⭐⭐	Day 4: Giant Squid	q
⭐⭐	Day 5: Hydrothermal Venture	q
⭐⭐	Day 6: Lanternfish	q
⭐⭐	Day 7: The Treachery of Whales	q
⭐⭐	Day 8: Seven Segment Search	q
⭐⭐	Day 9: Smoke Basin	q
⭐⭐	Day 10: Syntax Scoring	q
⭐⭐	Day 11: Dumbo Octopus	q
⭐⭐	Day 12: Passage Pathing	q
⭐⭐	Day 13: Transparent Origami	q
⭐⭐	Day 14: Extended Polymerization	q
⭐⭐	Day 15: Chiton	q
⭐⭐	Day 16: Packet Decoder	q
⭐⭐	Day 17: Trick Shot	q

2020

Stars	Day	Solutions
⭐⭐	Day 1: Report Repair	q
⭐⭐	Day 2: Password Philosophy	q
⭐⭐	Day 3: Toboggan Trajectory	q
⭐⭐	Day 4: Passport Processing	q
⭐⭐	Day 5: Binary Boarding	q
⭐⭐	Day 6: Custom Customs	q
⭐⭐	Day 7: Handy Haversacks	q
⭐⭐	Day 8: Handheld Halting	q
⭐⭐	Day 9: Encoding Error	q
⭐⭐	Day 10: Adapter Array	q
⭐⭐	Day 11: Seating System	q
⭐⭐	Day 12: Rain Risk	q
⭐⭐	Day 13: Shuttle Search	q
⭐⭐	Day 14: Docking Data	q
⭐⭐	Day 15: Rambunctious Recitation	q
	Day 16:
⭐⭐	Day 17: Conway Cubes	q
	Day 18:
	Day 19:
	Day 20:
	Day 21:
	Day 22:
	Day 23:
	Day 24:
	Day 25:

2019

Stars	Day	Solutions
⭐⭐	Day 1: The Tyranny of the Rocket Equation	js, q
⭐⭐	Day 2: 1202 Program Alarm	js, py, q
⭐⭐	Day 3: Crossed Wires	q
⭐⭐	Day 4: Secure Container	q
⭐⭐	Day 5: Sunny with a Chance of Asteroids	q
⭐⭐	Day 6: Universal Orbit Map	q
⭐⭐	Day 7: Amplification Circuit	q
⭐⭐	Day 8: Space Image Format	q
⭐⭐	Day 9: Sensor Boost	q
⭐⭐	Day 10: Monitoring Station	q
⭐⭐	Day 11: Space Police	q
⭐⭐	Day 12: The N-Body Problem	q
⭐⭐	Day 13: Care Package	q
⭐⭐	Day 14: Day 14: Space Stoichiometry	q
	Day 15: Day 15: Oxygen System
⭐⭐	Day 16: Day 16: Flawed Frequency Transmission	q
	Day 17:
	Day 18:
	Day 19:
	Day 20:
	Day 21:
⭐	Day 22: Slam Shuffle	q
	Day 23:
⭐	Day 24: Planet of Discord	q

2018

Stars	Day	Solutions
⭐⭐	Day 1: Chronal Calibration	py, q
⭐⭐	Day 2: Inventory Management System	py, q
⭐⭐	Day 3: No Matter How You Slice It	q
⭐⭐	Day 4: Repose Record	q
⭐⭐	Day 5: Alchemical Reduction	q
⭐⭐	Day 6: Chronal Coordinates	q
⭐⭐	Day 7: The Sum of Its Parts	q
⭐⭐	Day 8: Memory Maneuver	q
⭐⭐	Day 9: Marble Mania	q
⭐⭐	Day 10: The Stars Align	q
⭐⭐	Day 11: Chronal Charge	q
⭐⭐	Day 12: Subterranean Sustainability	q
⭐⭐	Day 13: Mine Cart Madness	q
⭐⭐	Day 14: Chocolate Charts	q
⭐⭐	Day 15: Beverage Bandits	q
⭐⭐	Day 16: Chronal Classification	q
	Day 17: Reservoir Research
⭐⭐	Day 18: Settlers of The North Pole	q
⭐⭐	Day 19: Go With The Flow	q
	Day 20: A Regular Map
⭐⭐	Day 21: Chronal Conversion	q
⭐	Day 22: Mode Maze	q
⭐	Day 23: Experimental Emergency Teleportation	q
	Day 24: Immune System Simulator 20XX
⭐	Day 25: Four-Dimensional Adventure	q

2017

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

2016

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

2015

Stars	Day	Solutions
⭐⭐	Day 1: Not Quite Lisp	go, k9, py, q, r
⭐⭐	Day 2: I Was Told There Would Be No Math	go, k9, py, q
⭐⭐	Day 3: Perfectly Spherical Houses in a Vacuum	go, k9, q
⭐⭐	Day 4: The Ideal Stocking Stuffer	go, k9, q
⭐⭐	Day 5: Doesn't He Have Intern-Elves For This?	go, k9, py, q
⭐⭐	Day 6: Probably a Fire Hazard	go, k9, py, q
⭐⭐	Day 7: Some Assembly Required	go, k9, py, q
⭐⭐	Day 8: Matchsticks	go, k9, py, q
⭐⭐	Day 9: All in a Single Night	go, k9, py, q
⭐⭐	Day 10: Elves Look, Elves Say	go, k9, py, q
⭐⭐	Day 11: Corporate Policy	go, k9, py, q
⭐⭐	Day 12: JSAbacusFramework.io	go, k9, py, q
⭐⭐	Day 13: Knights of the Dinner Table	go, k9, py, q
⭐⭐	Day 14: Reindeer Olympics	go, k9, py, q
⭐⭐	Day 15: Science for Hungry People	go, k9, q
⭐⭐	Day 16: Aunt Sue	go, k9, q
⭐⭐	Day 17: No Such Thing as Too Much	go, k9, py, q
⭐⭐	Day 18: Like a GIF For Your Yard	go, k9, q
⭐⭐	Day 19: Medicine for Rudolph	go, k9, q
⭐⭐	Day 20: Infinite Elves and Infinite Houses	go, k9, q
⭐⭐	Day 21: RPG Simulator 20XX	go, k9, q
⭐⭐	Day 22: Wizard Simulator 20XX	go, k9, q
⭐⭐	Day 23: Opening the Turing Lock	go, k9, py, q
⭐⭐	Day 24: It Hangs in the Balance	go, k9, q
⭐⭐	Day 25: Let It Snow	go, k9, q