Eroare de compilare in evaluator: user.cpp:35:2: warning: no newline at end of file user.cpp:2: error: expected constructor, destructor, or type conversion before 'namespace' user.cpp: In function 'int main()': user.cpp:6: error: 'ifstream' was not declared in this scope user.cpp:6: error: expected `;' before 'fin' user.cpp:7: error: 'ofstream' was not declared in this scope user.cpp:7: error: expected `;' before 'fout' user.cpp:9: error: 'fin' was not declared in this scope user.cpp:30: error: 'fout' was not declared in this scope user.cpp:30: error: 'endl' was not declared in this scope user.cpp:31: error: 'fout' was not declared in this scope user.cpp:31: error: 'endl' was not declared in this scope user.cpp:33: error: 'fout' was not declared in this scope