Eroare de compilare in evaluator: user.cpp:7: error: expected constructor, destructor, or type conversion before '<' token user.cpp: In function 'void read()': user.cpp:28: error: 'a' was not declared in this scope user.cpp:28: error: 'd' was not declared in this scope user.cpp:34: error: 'a' was not declared in this scope user.cpp:35: error: 'd' was not declared in this scope user.cpp: In function 'int dfdown(int)': user.cpp:44: error: 'a' was not declared in this scope user.cpp:53: error: 'd' was not declared in this scope user.cpp: In function 'void dfup(int, int, int)': user.cpp:66: error: 'a' was not declared in this scope user.cpp:75: error: 'd' was not declared in this scope user.cpp:82: error: 'd' was not declared in this scope