Solutions for the https://adventofcode.com/ puzzles including unit tests for each day.
To use it just write your personal input data in a text file (default path D:\AdventOfCode\input.txt). If your want to use another path you simply can edit the appsettings.json or change it temporarily in the app.
If you want to make your own changes (like testing other solutions), just edit the AdventOfCode2020.cs, thats where all the fun happens. The rest of the app is just infrastructure.