Eroare de compilare in evaluator: user.cpp:3:14: warning: missing terminating " character user.cpp:3: error: missing terminating " character user.cpp:16:13: warning: no newline at end of file user.cpp:4: error: expected ',' or '...' before '(' token user.cpp:4: error: expected `)' before ';' token user.cpp: In function 'int main()': user.cpp:8: error: invalid operands of types 'std::ifstream ()(std::ofstream)' and 'long int' to binary 'operator>>' user.cpp:10: error: invalid operands of types 'std::ifstream ()(std::ofstream)' and 'long int' to binary 'operator>>' user.cpp:12: error: expected `(' before 'a' user.cpp:13: error: expected primary-expression before 'else' user.cpp:13: error: expected `;' before 'else' user.cpp:14: error: 'f2' was not declared in this scope user.cpp:15: error: request for member 'close' in 'f1', which is of non-class type 'std::ifstream ()(std::ofstream)' user.cpp:16: error: 'f2' was not declared in this scope