Eroare de compilare in evaluator: user.cpp:44:6: warning: no newline at end of file user.cpp:30: warning: ISO C++ forbids declaration of 'main' with no type 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:33: error: 'f' was not declared in this scope user.cpp:39: error: 'g' was not declared in this scope user.cpp:40: error: 'g' was not declared in this scope user.cpp:40: error: 'endl' was not declared in this scope