Revisiting day 18 of Advent of Code 2019
Last year I’ve decided to challenge myself, I wanted to complete Advent of Code.
And as if that wasn’t enough, I wanted to finish it on Christmas Day. That would
mean solving each problem on the day it came out. I’m happy to say that for the
most part I was successful in this, but there was a day, a single day, that made
me doubt my ability to c...