My solutions for Advent of Code written mostly in Python 3.
There also are some very optimized solutions written in Rust for 2020 and 2021.
And I've written some fun stuff for intcode from 2019, including a compiler from a simple high-level language to intcode.
All the code in this repository is in the public domain. Or if you prefer, you may also use it under the MIT license or CC0 license.
Note though that some parts of this code use external libraries which have their own licenses.