Eroare de compilare: user.cpp:5:12: error: variable ‘std::ifstream in’ has initializer but incomplete type ifstream in("divmul.in"); ^ user.cpp:6:13: error: variable ‘std::ofstream out’ has initializer but incomplete type ofstream out("divmul.out"); ^ user.cpp: In function ‘int main()’: user.cpp:14:16: error: ‘u’ was not declared in this scope in>>x>>u; ^ user.cpp:15:25: error: ‘rezolva’ was not declared in this scope out<<rezolva(x,y)<<'\n'; ^