Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:9: error: ‘ifstream’ was not declared in this scope user.cpp:9: error: expected ‘;’ before ‘cin’ user.cpp:10: error: ‘ofstream’ was not declared in this scope user.cpp:10: error: expected ‘;’ before ‘cout’ user.cpp:14: error: ‘cin’ was not declared in this scope user.cpp:15: error: expected ‘;’ before ‘m’ user.cpp:19: error: ‘cout’ was not declared in this scope user.cpp:33: error: ‘fp’ was not declared in this scope