A place to practise problem solving, syntax, algorithms etc. Feel free to download it and scrub out the answers!
For challenges with multiple solutions, I've named the methods "SolveV2", "SolveV3" etc. To test one of these solutions, rename the method inside the test.
Since there is no Program class or Main method, the challenges cannot be compiled. Instead, install NUnit and click "Run Test" above each test as needed:
Open index.html in your web browser of choice, and press F12 to reveal the developer console.