Eroare de compilare in evaluator: user.cpp:12:2: warning: no newline at end of file user.cpp:3: error: variable 'std::ifstream f' has initializer but incomplete type user.cpp:4: error: variable 'std::ofstream g' has initializer but incomplete type user.cpp: In function 'int main()': user.cpp:8: error: expected `)' before ';' token user.cpp:8: error: expected primary-expression before ')' token user.cpp:8: error: expected `;' before ')' token