Compilation failed: 7 error(s), 1 warnings

/w/foo.cs(2,0): error CS1024: Wrong preprocessor directive
/w/foo.cs(3,0): error CS1024: Wrong preprocessor directive
/w/foo.cs(3,6): error CS1525: Unexpected symbol `namespace', expecting `identifier' or `static'
/w/foo.cs(3,19): error CS1525: Unexpected symbol `;', expecting `identifier' or `static'
/w/foo.cs(4,10): error CS1514: Unexpected symbol `[', expecting `.' or `{'
/w/foo.cs(4,11): warning CS0658: `value' is invalid attribute target. All attributes in this attribute section will be ignored
/w/foo.cs(4,24): error CS1518: Attributes must be attached to class, delegate, enum, interface or struct
/w/foo.cs(4,23): error CS1525: Unexpected symbol `}', expecting `identifier' or `static'

自豪的采用HydroJudge(https://github.com/hydro-dev/Hydro)进行评测。