Eroare de compilare: user.cpp:5: error: 'ifstream' is used as a type, but is not defined as a type. user.cpp:6: error: 'ofstream' is used as a type, but is not defined as a type. user.cpp: In function `void citeste()': user.cpp:9: error: `f' undeclared (first use this function) user.cpp:9: error: (Each undeclared identifier is reported only once for each function it appears in.) user.cpp: In function `int main()': user.cpp:26: error: `g' undeclared (first use this function) user.cpp:29:2: warning: no newline at end of file