Eroare de compilare: user.cpp:1:19: error: Fstream: 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 ‘f’ user.cpp:6: error: ‘ofstream’ was not declared in this scope user.cpp:6: error: expected ‘;’ before ‘g’ user.cpp:9: error: ‘f’ was not declared in this scope user.cpp:24: error: ‘g’ was not declared in this scope user.cpp:7: warning: unused variable ‘j’