Advent of Code is an Advent calendar of small programming puzzles for a variety of skill sets and skill levels that can be solved in any programming language you like. I use it to practice problems solving.
- y2019 - Java solutions to 2019 year puzzles (Gradle, JUnit 5)
- y2020 - Java solutions to 2020 year puzzles (Gradle, JUnit 5)
- y2021 - Java solutions to 2021 year puzzles (Gradle, JUnit 5)
- y2022-typescript - TypeScript solutions to 2022 year puzzles (NPM, Jest 29)
- y2023-php - PHP solutions to 2023 year puzzles (Composer 2, PHPUnit 10.5)