Eroare de compilare in evaluator: user.cpp:1:23: error: iostream : No such file or directory user.cpp:2:22: error: fstream : No such file or directory user.cpp: In function 'int main()': user.cpp:6: error: 'ifstream' was not declared in this scope user.cpp:6: error: expected `;' before 'cin' user.cpp:8: error: 'cin' was not declared in this scope user.cpp:10: error: 'ofstream' was not declared in this scope user.cpp:10: error: expected `;' before 'cout' user.cpp:11: error: 'cout' was not declared in this scope user.cpp:11: error: 'endl' was not declared in this scope