Solutions to https://adventofcode.com/ for 2022.

Let's be honest, Rust isn't the best choice (yet? areweadventyet?) for small problems. There are some ergonomics papercuts (e.g. reading the input), while zero cost abstractions (e.g. iterators that do not allocate) are not needed for such small inputs.

But, at the end of the day, the point of Advent of Code is to have fun. So, Rust it is.