Compilation failed: 8 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(6,1): error CS1525: Unexpected symbol `int', expecting `identifier' or `static'
/w/foo.cs(7,7): error CS1514: Unexpected symbol `[', expecting `.' or `{'
/w/foo.cs(7,8): warning CS0658: `value' is invalid attribute target. All attributes in this attribute section will be ignored
/w/foo.cs(7,17): error CS1518: Attributes must be attached to class, delegate, enum, interface or struct
/w/foo.cs(7,16): error CS1525: Unexpected symbol `}', expecting `identifier' or `static'

[Hydro](https://hydro.ac)提供评测服务