Compilation failed: 3 error(s), 0 warnings

/w/foo.cs(2,0): error CS1024: Wrong preprocessor directive
/w/foo.cs(3,0): error CS1024: Wrong preprocessor directive
/w/foo.cs(3,0): error CS1525: Unexpected symbol `int'

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