Eroare de compilare: user.cpp: In function 'int main()': user.cpp:31: error: 'ifstream' was not declared in this scope user.cpp:31: error: expected `;' before 'f' user.cpp:32: error: 'ofstream' was not declared in this scope user.cpp:32: error: expected `;' before 'g' user.cpp:34: error: 'f' was not declared in this scope user.cpp:59: error: 'cout' was not declared in this scope user.cpp:77: error: 'g' was not declared in this scope user.cpp:77: error: expected primary-expression before '/' token user.cpp:80: error: 'g' was not declared in this scope user.cpp:80: error: expected primary-expression before '/' token user.cpp:84: error: 'g' was not declared in this scope