Eroare de compilare: user.cpp:28:2: warning: no newline at end of file user.cpp: In function 'int main()': user.cpp:7: error: conflicting declaration 'std::ifstream f' user.cpp:6: error: 'f' has a previous declaration as 'int f' user.cpp:8: error: conflicting declaration 'std::ofstream g' user.cpp:6: error: 'g' has a previous declaration as 'int g' user.cpp:9: warning: statement has no effect user.cpp:20: warning: statement has no effect user.cpp:22: error: request for member 'close' in 'f', which is of non-class type 'int' user.cpp:23: error: request for member 'close' in 'g', which is of non-class type 'int' user.cpp:25: error: expected `}' at end of input