5: All of the above (need 2 accepted)
C#
Compiler settings
We use dotnet 8.0.414 to compile your program with the following command:
$ dotnet build --no-restore --configuration Release --framework net8.0 --runtime linux-x64
File extensions
Files with any of the following file extensions will be used: .cs
Additional information
Additional language-specific advice and information for many languages is available in the knowledge base