Eroare de compilare: user.cpp: In function 'int main()': user.cpp:25: error: expected primary-expression before 'else' user.cpp:25: error: expected `;' before 'else' user.cpp:7: warning: unused variable 'a' user.cpp: At global scope: user.cpp:27: error: expected constructor, destructor, or type conversion before '.' token user.cpp:28: error: expected constructor, destructor, or type conversion before '.' token user.cpp:29: error: expected unqualified-id before 'return' user.cpp:30: error: expected declaration before '}' token