2019

Advent of Code 2019

Day	Fun	Difficulty	Task Description
1	★★★☆☆	★☆☆☆☆	addition, simple math, light recursion
2	★★★☆☆	★★☆☆☆	von Neumann machine emulation
3	★★★★☆	★★☆☆☆	2D grid traversal and intersection
4	★★★☆☆	★★★☆☆	string matching
5	★★★☆☆	★★★☆☆	extended von Neumann machine emulation
6	★★★★☆	★★☆☆☆	graph depth computation
7	★★★☆☆	★★★☆☆	multi-processor pipe emulation
8	★★★★☆	★★☆☆☆	image layer compositing
9	★★★☆☆	★★☆☆☆	machine emulation with stack feature
10	★★★☆☆	★★★★☆	working with angles in an integer 2D grid
11	★★★★☆	★★☆☆☆	program-controlled 2D grid traversal
12	★★★★☆	★★★★★	N-body simulation
13	★★★★★	★★★☆☆	write an 'AI' for Breakout
14	★★★☆☆	★★★☆☆	traverse resource dependency tree
15	★★★☆☆	★★★☆☆	maze exploration with DFS and BFS
16	★★☆☆☆	★★★★★	insanely large matrix multiplication
17	★★★★☆	★★★★☆	LZ-like data compression / optimal parsing
18	★★★☆☆	★★★★☆	complex BFS + TSP combination
19	★★★★☆	★★★☆☆	2D box search in non-axis-aligned triangle
20	★★★★☆	★★★☆☆	BFS of 2.5D maze with portals
21	★★☆☆☆	★★★★☆	boolean pattern matching logic
22	★★☆☆☆	★★★★★	complicated modular arithmetic
23	★★★★☆	★★☆☆☆	computer network simulation
24	★★★★☆	★★★☆☆	fractal 2.5D cellular automaton
25	★★★★☆	★★★☆☆	text adventure with an item combination puzzle