Advent of Code 2021 in Rust. I'm just messing around in some spare time here. Feel free to comment in an issue if you see some possible improvements.
To build
cargo build
To run
cargo run
To run with optimization
RUSTFLAGS='-Ctarget-cpu=native -Copt-level=3' cargo run --release
You can try this repo live on repl.it. Note that this may be quite slow to download and install all of the packages.
You can read my daily notes here in the automatically generated documentation.