Eroare de compilare: user.cpp:10: error: expected initializer before 'A' user.cpp:11: error: expected initializer before 'B' user.cpp: In function 'int main()': user.cpp:24: error: 'A' was not declared in this scope user.cpp:31: error: 'B' was not declared in this scope user.cpp:31: error: 'A' was not declared in this scope user.cpp:33: error: 'B' was not declared in this scope user.cpp:33: error: 'A' was not declared in this scope user.cpp:42: error: 'B' was not declared in this scope user.cpp:42: error: 'A' was not declared in this scope user.cpp:44: error: 'B' was not declared in this scope user.cpp:44: error: 'A' was not declared in this scope user.cpp:52: error: 'B' was not declared in this scope user.cpp:52: error: 'A' was not declared in this scope user.cpp:54: error: 'B' was not declared in this scope user.cpp:54: error: 'A' was not declared in this scope