Eroare de compilare: user.cpp:101:21: error: fstream.h: No such file or directory user.cpp:107: warning: ‘typedef’ was ignored in this declaration user.cpp: In function ‘int main()’: user.cpp:128: error: ‘ifstream’ was not declared in this scope user.cpp:128: error: expected ‘;’ before ‘f’ user.cpp:129: error: ‘ofstream’ was not declared in this scope user.cpp:129: error: expected ‘;’ before ‘g’ user.cpp:131: error: ‘f’ was not declared in this scope user.cpp:145: error: ‘g’ was not declared in this scope