Eroare de compilare: user.cpp:1:20: error: fstream.h: No such file or directory user.cpp: In function ‘int main()’: user.cpp:48: error: ‘ifstream’ was not declared in this scope user.cpp:48: error: expected ‘;’ before ‘f’ user.cpp:49: error: ‘ofstream’ was not declared in this scope user.cpp:49: error: expected ‘;’ before ‘g’ user.cpp:50: error: ‘f’ was not declared in this scope user.cpp:53: error: ‘f’ was not declared in this scope user.cpp:54: error: ‘f’ was not declared in this scope user.cpp:58: error: ‘g’ was not declared in this scope user.cpp:60: error: ‘g’ was not declared in this scope user.cpp:62: error: ‘g’ was not declared in this scope user.cpp:65: error: ‘g’ was not declared in this scope