Advent of Code 2021 🎄

Solutions to all 25 Advent of Code 2021 problems in Rust. 🦀

Along with a customized 2D map crate for nice code re-use.

Thanks @ericwastl for providing the challenge, @andrusha for kicking me into gear and @AxlLind from whom I shamelessly ripped the timing harness for the code.

Usage

cargo run --release --bin [DAY] # run a specific day
cargo run --release             # run all days