Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:27:53: error: passing ‘const std::_Rb_tree_iterator<std::pair<const unsigned int, int> >’ as ‘this’ argument of ‘std::_Rb_tree_iterator<_Tp>::_Self& std::_Rb_tree_iterator<_Tp>::operator++() [with _Tp = std::pair<const unsigned int, int>; std::_Rb_tree_iterator<_Tp>::_Self = std::_Rb_tree_iterator<std::pair<const unsigned int, int> >]’ discards qualifiers [-fpermissive] for(const auto it = list.begin(); it!=list.end();++it){ ^ user.cpp:28:10: error: ‘p’ was not declared in this scope out << p.first << ' ' << p.second << ' '; ^