Eroare de compilare: user.cpp:2: error: ‘stg’ is not a namespace-name user.cpp:3: error: expected namespace-name before ‘int’ user.cpp:3: error: expected ‘;’ before ‘int’ user.cpp: In function ‘int main()’: user.cpp:5: error: ‘fstream’ was not declared in this scope user.cpp:5: error: expected ‘;’ before ‘f’ user.cpp:7: error: ‘f’ was not declared in this scope user.cpp:8: error: ‘g’ was not declared in this scope