Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:25:11: error: no match for ‘operator=’ (operand types are ‘std::set<std::pair<int, int> >::iterator {aka std::_Rb_tree_const_iterator<std::pair<int, int> >}’ and ‘<unresolved overloaded function type>’) for(it=heap.begin;it!=heap.end() && it->first<sum;i++) ^ user.cpp:25:11: note: candidates are: In file included from /usr/include/c++/4.8/set:60:0, from user.cpp:3: /usr/include/c++/4.8/bits/stl_tree.h:228:12: note: std::_Rb_tree_const_iterator<std::pair<int, int> >& std::_Rb_tree_const_iterator<std::pair<int, int> >::operator=(const std::_Rb_tree_const_iterator<std::pair<int, int> >&) struct _Rb_tree_const_iterator ^ /usr/include/c++/4.8/bits/stl_tree.h:228:12: note: no known conversion for argument 1 from ‘<unresolved overloaded function type>’ to ‘const std::_Rb_tree_const_iterator<std::pair<int, int> >&’ /usr/include/c++/4.8/bits/stl_tree.h:228:12: note: std::_Rb_tree_const_iterator<std::pair<int, int> >& std::_Rb_tree_const_iterator<std::pair<int, int> >::operator=(std::_Rb_tree_const_iterator<std::pair<int, int> >&&) /usr/include/c++/4.8/bits/stl_tree.h:228:12: note: no known conversion for argument 1 from ‘<unresolved overloaded function type>’ to ‘std::_Rb_tree_const_iterator<std::pair<int, int> >&&’