Eroare de compilare: user.cpp:1:19: error: fsstream: No such file or directory user.cpp: In function ‘int main()’: user.cpp:5: error: ‘ifstream’ was not declared in this scope user.cpp:5: error: expected ‘;’ before ‘cin’ user.cpp:6: error: ‘ofstream’ was not declared in this scope user.cpp:6: error: expected ‘;’ before ‘cout’ user.cpp:8: error: ‘cin’ was not declared in this scope user.cpp:17: error: ‘cout’ was not declared in this scope user.cpp:7: warning: unused variable ‘p’