Eroare de compilare: user.c:1:21: error: iostream.h: No such file or directory user.c:2:20: error: fstream.h: No such file or directory user.c:4: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'namespace' user.c:10: warning: data definition has no type or storage class user.c:10: warning: type defaults to 'int' in declaration of 'a' user.c:10: error: conflicting types for 'a' user.c:3: error: previous declaration of 'a' was here user.c:11: error: initializer element is not constant user.c:11: error: expected ',' or ';' before 'for' user.c:11: error: expected '=', ',', ';', 'asm' or '__attribute__' before '++' token user.c:15: error: expected '=', ',', ';', 'asm' or '__attribute__' before '<<' token user.c:16: error: expected '=', ',', ';', 'asm' or '__attribute__' before '.' token user.c:17: error: expected '=', ',', ';', 'asm' or '__attribute__' before '.' token