Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:28:52: error: conversion from ‘std::map<long long int, std::vector<int> >::iterator {aka std::_Rb_tree_iterator<std::pair<const long long int, std::vector<int> > >}’ to non-scalar type ‘std::map<int, std::vector<int> >::iterator {aka std::_Rb_tree_iterator<std::pair<const int, std::vector<int> > >}’ requested for(map<int, vector<int> >::iterator it=m.begin();it!=m.end();it++) ~~~~~~~^~ user.cpp:28:57: error: no match for ‘operator!=’ (operand types are ‘std::map<int, std::vector<int> >::iterator {aka std::_Rb_tree_iterator<std::pair<const int, std::vector<int> > >}’ and ‘std::map<long long int, std::vector<int> >::iterator {aka std::_Rb_tree_iterator<std::pair<const long long int, std::vector<int> > >}’) for(map<int, vector<int> >::iterator it=m.begin();it!=m.end();it++) ~~^~~~~~~~~ In file included from /usr/include/c++/6/map:60:0, from user.cpp:2: /usr/include/c++/6/bits/stl_tree.h:241:7: note: candidate: bool std::_Rb_tree_iterator<_Tp>::operator!=(const _Self&) const [with _Tp = std::pair<const int, std::vector<int> >; std::_Rb_tree_iterator<_Tp>::_Self = std::_Rb_tree_iterator<std::pair<const int, std::vector<int> > >] operator!=(const _Self& __x) const _GLIBCXX_NOEXCEPT ^~~~~~~~ /usr/include/c++/6/bits/stl_tree.h:241:7: note: no known conversion for argument 1 from ‘std::map<long long int, std::vector<int> >::iterator {aka std::_Rb_tree_iterator<std::pair<const long long int, std::vector<int> > >}’ to ‘const _Self& {aka const std::_Rb_tree_iterator<std::pair<const int, std::vector<int> > >&}’ In file included from /usr/include/c++/6/bits/stl_algobase.h:64:0, from /usr/include/c++/6/bits/stl_tree.h:63, from /usr/include/c++/6/map:60, from user.cpp:2: /usr/include/c++/6/bits/stl_pair.h:448:5: note: candidate: template<class _T1, class _T2> constexpr bool std::operator!=(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&) operator!=(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y) ^~~~~~~~ /usr/include/c++/6/bits/stl_pair.h:448:5: note: template argument deduction/substitution failed: user.cpp:28:65: note: ‘std::map<int, std::vector<int> >::iterator {aka std::_Rb_tree_iterator<std::pair<const int, std::vector<int> > >}’ is not derived from ‘const std::pair<_T1, _T2>’ for(map<int, vector<int> >::iterator it=m.begin();it!=m.end();it++) ^ In file included from /usr/include/c++/6/bits/stl_algobase.h:67:0, from /usr/include/c++/6/bits/stl_tree.h:63, from /usr/include/c++/6/map:60, from user.cpp:2: /usr/include/c++/6/bits/stl_iterator.h:304:5: note: candidate: template<class _Iterator> bool std::operator!=(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&) operator!=(const reverse_iterator<_Iterator>& __x, ^~~~~~~~ /usr/include/c++/6/bits/stl_iterator.h:304:5: note: template argument deduction/substitution failed: user.cpp:28:65: note: ‘std::map<int, std::vector<int> >::iterator {aka std::_Rb_tree_iterator<std::pair<const int, std::vector<int> > >}’ is not derived from ‘const std::reverse_iterator<_Iterator>’ for(map<int, vector<int> >::iterator it=m.begin();it!=m.end();it++) ^ In file included from /usr/include/c++/6/bits/stl_algobase.h:67:0, from /usr/include/c++/6/bits/stl_tree.h:63, from /usr/include/c++/6/map:60, from user.cpp:2: /usr/include/c++/6/bits/stl_iterator.h:361:5: note: candidate: template<class _IteratorL, class _IteratorR> bool std::operator!=(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&) operator!=(const reverse_iterator<_IteratorL>& __x, ^~~~~~~~ /usr/include/c++/6/bits/stl_iterator.h:361:5: note: template argument deduction/substitution failed: user.cpp:28:65: note: ‘std::map<int, std::vector<int> >::iterator {aka std::_Rb_tree_iterator<std::pair<const int, std::vector<int> > >}’ is not derived from ‘const std::reverse_iterator<_Iterator>’ for(map<int, vector<int> >::iterator it=m.begin();it!=m.end();it++) ^ In file included from /usr/include/c++/6/bits/stl_algobase.h:67:0, from /usr/include/c++/6/bits/stl_tree.h:63, from /usr/include/c++/6/map:60, from user.cpp:2: