Advent of Code 2024

Language of the Year: Java

Java Version is 23 , to include Tuples and Pattern Match on Type

Problem		1	2
Day 1: Historian Hysteria	Simple Array ops	*	*
Day 2: Red-Nosed Reports	Array Manipulation	*	*
Day 3: Mull It Over	Regexes	*	*
Day 4: Ceres Search	Search 2D Array	*	*
Day 5: Print Queue	List re-ordering	*	*
Day 6: Guard Gallivant	Grid Path Tracing	*	*
Day 7: Bridge Repair	State Search	*	*
Day 8: Resonant Collinearity	Vector Math	*	*
Day 9: Disk Fragmenter	Simple Defragmentation	*	*
Day 10: Hoof It	State Search	*	*
Day 11: Plutonian Pebbles	Automata required Optimization	*	*
Day 12: Garden Groups	Flood Fill/Perimeter Walk	*	*
Day 13: Claw Contraption	Linear Algebra	*	*
Day 14: Restroom Redoubt	Automata & Guesswork	*	*
Day 15: Warehouse Woes	2D Simulation Move/Hitbox	*	*
Day 16: Reindeer Maze	Dijkstra's with Extra Steps	*	*
Day 17: Chronospatial Computer	ASM Reverse Engineering	*	*
Day 18: RAM Run	Dijkstra's with Extra Steps	*	*
Day 19: Linen Layout	String Manipulation/Memoization	*	*
Day 20: Race Condition	Dijkstra's with Extra Steps	*	*
Day 21: Keypad Conundrum	Coordinate Mapping Cubed	*	*
Day 22: Monkey Market	Maths	*	*
Day 23: LAN Party	Graph Cliques	*	*
Day 24: Crossed Wires	Circuit Simulation/Binary Stuff	*	*
Day 25: Code Chronicle	Array Manipulation	*	*

I haven't worked with Java in over a decade. So my style will at best be outdated. Don't expect this code to be idiomatic, modern, or good.

Slow Days that should be reviewed to speed up

Day 06 is still taking over a second (~1400ms), but after much work, I'm just going to live with it.