Eroare de compilare: user.cpp:5: error: ‘ofstream’ does not name a type user.cpp: In function ‘void citire()’: user.cpp:8: error: ‘ifstream’ was not declared in this scope user.cpp:8: error: expected ‘;’ before ‘f’ user.cpp:10: error: ‘f’ was not declared in this scope user.cpp: In function ‘void drum(int)’: user.cpp:38: error: ‘g’ was not declared in this scope user.cpp: In function ‘void afisare()’: user.cpp:47: error: ‘g’ was not declared in this scope