Eroare de compilare: user.cpp:1:21: error: fstream.h: No such file or directory user.cpp:2:22: error: iostream.h: No such file or directory user.cpp: In function ‘int main()’: user.cpp:4: error: ‘ifstream’ was not declared in this scope user.cpp:4: error: expected ‘;’ before ‘f’ user.cpp:5: error: ‘ofstream’ was not declared in this scope user.cpp:5: error: expected ‘;’ before ‘gf’ user.cpp:8: error: ‘f’ was not declared in this scope user.cpp:39: error: ‘gf’ was not declared in this scope