Kotlin tests and solutions for the 2019 puzzles.

Previous years' solutions:

• 2023 (Kotlin)
• 2021 (Kotlin)
• 2020 (Rust)
• 2018 (Kotlin)
• 2017 (Kotlin)
• 2016 (Kotlin)
• 2015 (Python)

Objectives

• Focus on producing communicative, idiomatic, and well-structured solutions over high-performance solutions;
• Write high-quality tests using JUnit 5. Test cases are typically inspired by the examples presented as part of each puzzle.

Instructions

Running Tests

All days:

Specific day, e.g. 14:

Verifying Solutions

All days:

Specific day, e.g. 14: