Compilation failed: 8 error(s), 4 warnings

/w/foo.cs(2,0): error CS1024: Wrong preprocessor directive
/w/foo.cs(2,6): error CS1525: Unexpected symbol `namespace', expecting `identifier' or `static'
/w/foo.cs(2,19): error CS1525: Unexpected symbol `;', expecting `identifier' or `static'
/w/foo.cs(4,0): error CS1032: Cannot define or undefine preprocessor symbols after first token in file
/w/foo.cs(6,1): error CS1525: Unexpected symbol `ll', expecting `identifier' or `static'
/w/foo.cs(10,2): error CS1525: Unexpected symbol `if', expecting `identifier' or `static'
/w/foo.cs(12,2): error CS1514: Unexpected symbol `}', expecting `.' or `{'
/w/foo.cs(22,6): warning CS0658: `value' is invalid attribute target. All attributes in this attribute section will be ignored
/w/foo.cs(23,7): warning CS0658: `value' is invalid attribute target. All attributes in this attribute section will be ignored
/w/foo.cs(24,6): warning CS0658: `value' is invalid attribute target. All attributes in this attribute section will be ignored
/w/foo.cs(25,9): warning CS0658: `value' is invalid attribute target. All attributes in this attribute section will be ignored
/w/foo.cs(33,7): error CS1525: Unexpected symbol `='

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