Solutions to the Advent of Code project by year from https://adventofcode.com.
Challenges:
- https://adventofcode.com/2015 => ./2015 (0 of 25 complete)
- https://adventofcode.com/2016 => ./2016 (0 of 25 complete)
- https://adventofcode.com/2017 => ./2017 (0 of 25 complete)
- https://adventofcode.com/2018 => ./2018 (0 of 25 complete)
- https://adventofcode.com/2019 => ./2019 (2 of 25 complete)