My solutions from Advent of Code 2020

They'll produce an answer, and try to do it quickly - but don't expect any long lived code in here.

Clever bits

• Program.cs uses reflection and naming convention to find the right day to run.
• Day 5 replaces LR with binary for parsing
• Day 20 with modulo math on compass directions (NESW + 2)
  • also using bitmasks for side matching
  • regex monster ///*<
  • also also just a mind melting amount of flipping and rotating.
• Day 23 has a circular linked list and value index for faster crabs.

Unclever bits

Too many to list.