Eroare de compilare in evaluator: user.cpp:6: error: expected constructor, destructor, or type conversion before '<' token user.cpp: In function 'int good(int)': user.cpp:9: error: 'a' was not declared in this scope user.cpp:15: error: 'a' was not declared in this scope user.cpp:19: error: 'a' was not declared in this scope user.cpp: In function 'int main()': user.cpp:28: error: 'a' was not declared in this scope