Error(s):

(1:2) Preprocessor directive expected
(1:10) Single-line comment or end-of-line expected
(2:2) Preprocessor directive expected
(2:10) Single-line comment or end-of-line expected
(4:7) Identifier expected; 'namespace' is a keyword
(4:20) { expected
(9:21) Identifier expected
(9:25) Identifier expected