MEX užklausos

Taškai: 0

Compile: FAIL

mex.cpp: In function ‘int main()’: mex.cpp:369:13: error: no match for ‘operator<’ (operand types are ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ and ‘int’) while (to < u.t) { ^ In file included from /usr/include/c++/5/bits/stl_algobase.h:64:0, from /usr/include/c++/5/bits/char_traits.h:39, from /usr/include/c++/5/ios:40, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from mex.cpp:1: /usr/include/c++/5/bits/stl_pair.h:220:5: 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++/5/bits/stl_pair.h:220:5: note: template argument deduction/substitution failed: mex.cpp:369:17: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::pair<_T1, _T2>’ while (to < u.t) { ^ In file included from /usr/include/c++/5/bits/stl_algobase.h:67:0, from /usr/include/c++/5/bits/char_traits.h:39, from /usr/include/c++/5/ios:40, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from mex.cpp:1: /usr/include/c++/5/bits/stl_iterator.h:298:5: 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++/5/bits/stl_iterator.h:298:5: note: template argument deduction/substitution failed: mex.cpp:369:17: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::reverse_iterator<_Iterator>’ while (to < u.t) { ^ In file included from /usr/include/c++/5/bits/stl_algobase.h:67:0, from /usr/include/c++/5/bits/char_traits.h:39, from /usr/include/c++/5/ios:40, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from mex.cpp:1: /usr/include/c++/5/bits/stl_iterator.h:348:5: 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++/5/bits/stl_iterator.h:348:5: note: template argument deduction/substitution failed: mex.cpp:369:17: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::reverse_iterator<_Iterator>’ while (to < u.t) { ^ In file included from /usr/include/c++/5/bits/stl_algobase.h:67:0, from /usr/include/c++/5/bits/char_traits.h:39, from /usr/include/c++/5/ios:40, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from mex.cpp:1: /usr/include/c++/5/bits/stl_iterator.h:1089:5: note: candidate: template<class _IteratorL, class _IteratorR> bool std::operator<(const std::move_iterator<_Iterator>&, const std::move_iterator<_IteratorR>&) operator<(const move_iterator<_IteratorL>& __x, ^ /usr/include/c++/5/bits/stl_iterator.h:1089:5: note: template argument deduction/substitution failed: mex.cpp:369:17: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::move_iterator<_Iterator>’ while (to < u.t) { ^ In file included from /usr/include/c++/5/bits/stl_algobase.h:67:0, from /usr/include/c++/5/bits/char_traits.h:39, from /usr/include/c++/5/ios:40, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from mex.cpp:1: /usr/include/c++/5/bits/stl_iterator.h:1095:5: note: candidate: template<class _Iterator> bool std::operator<(const std::move_iterator<_Iterator>&, const std::move_iterator<_Iterator>&) operator<(const move_iterator<_Iterator>& __x, ^ /usr/include/c++/5/bits/stl_iterator.h:1095:5: note: template argument deduction/substitution failed: mex.cpp:369:17: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::move_iterator<_Iterator>’ while (to < u.t) { ^ In file included from /usr/include/c++/5/string:52:0, from /usr/include/c++/5/bits/locale_classes.h:40, from /usr/include/c++/5/bits/ios_base.h:41, from /usr/include/c++/5/ios:42, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from mex.cpp:1: /usr/include/c++/5/bits/basic_string.h:4987:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> bool std::operator<(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&) operator<(const basic_string<_CharT, _Traits, _Alloc>& __lhs, ^ /usr/include/c++/5/bits/basic_string.h:4987:5: note: template argument deduction/substitution failed: mex.cpp:369:17: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>’ while (to < u.t) { ^ In file included from /usr/include/c++/5/string:52:0, from /usr/include/c++/5/bits/locale_classes.h:40, from /usr/include/c++/5/bits/ios_base.h:41, from /usr/include/c++/5/ios:42, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from mex.cpp:1: /usr/include/c++/5/bits/basic_string.h:4999:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> bool std::operator<(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const _CharT*) operator<(const basic_string<_CharT, _Traits, _Alloc>& __lhs, ^ /usr/include/c++/5/bits/basic_string.h:4999:5: note: template argument deduction/substitution failed: mex.cpp:369:17: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>’ while (to < u.t) { ^ In file included from /usr/include/c++/5/string:52:0, from /usr/include/c++/5/bits/locale_classes.h:40, from /usr/include/c++/5/bits/ios_base.h:41, from /usr/include/c++/5/ios:42, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from mex.cpp:1: /usr/include/c++/5/bits/basic_string.h:5011:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> bool std::operator<(const _CharT*, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&) operator<(const _CharT* __lhs, ^ /usr/include/c++/5/bits/basic_string.h:5011:5: note: template argument deduction/substitution failed: mex.cpp:369:17: note: mismatched types ‘const _CharT*’ and ‘__gnu_cxx::__normal_iterator<int*, std::vector<int> >’ while (to < u.t) { ^ In file included from /usr/include/c++/5/bits/ios_base.h:46:0, from /usr/include/c++/5/ios:42, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from mex.cpp:1: /usr/include/c++/5/system_error:200:3: note: candidate: bool std::operator<(const std::error_code&, const std::error_code&) operator<(const error_code& __lhs, const error_code& __rhs) noexcept ^ /usr/include/c++/5/system_error:200:3: note: no known conversion for argument 1 from ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ to ‘const std::error_code&’ /usr/include/c++/5/system_error:274:3: note: candidate: bool std::operator<(const std::error_condition&, const std::error_condition&) operator<(const error_condition& __lhs, ^ /usr/include/c++/5/system_error:274:3: note: no known conversion for argument 1 from ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ to ‘const std::error_condition&’ In file included from /usr/include/c++/5/vector:64:0, from /usr/include/c++/5/bits/random.h:34, from /usr/include/c++/5/random:49, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from mex.cpp:1: /usr/include/c++/5/bits/stl_vector.h:1528:5: note: candidate: template<class _Tp, class _Alloc> bool std::operator<(const std::vector<_Tp, _Alloc>&, const std::vector<_Tp, _Alloc>&) operator<(const vector<_Tp, _Alloc>& __x, const vector<_Tp, _Alloc>& __y) ^ /usr/include/c++/5/bits/stl_vector.h:1528:5: note: template argument deduction/substitution failed: mex.cpp:369:17: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::vector<_Tp, _Alloc>’ while (to < u.t) { ^ In file included from /usr/include/c++/5/deque:64:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:67, from mex.cpp:1: /usr/include/c++/5/bits/stl_deque.h:291:5: note: candidate: template<class _Tp, class _Ref, class _Ptr> bool std::operator<(const std::_Deque_iterator<_Tp, _Ref, _Ptr>&, const std::_Deque_iterator<_Tp, _Ref, _Ptr>&) operator<(const _Deque_iterator<_Tp, _Ref, _Ptr>& __x, ^ /usr/include/c++/5/bits/stl_deque.h:291:5: note: template argument deduction/substitution failed: mex.cpp:369:17: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::_Deque_iterator<_Tp, _Ref, _Ptr>’ while (to < u.t) { ^ In file included from /usr/include/c++/5/deque:64:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:67, from mex.cpp:1: /usr/include/c++/5/bits/stl_deque.h:299:5: note: candidate: template<class _Tp, class _RefL, class _PtrL, class _RefR, class _PtrR> bool std::operator<(const std::_Deque_iterator<_Tp, _Ref, _Ptr>&, const std::_Deque_iterator<_Tp, _RefR, _PtrR>&) operator<(const _Deque_iterator<_Tp, _RefL, _PtrL>& __x, ^ /usr/include/c++/5/bits/stl_deque.h:299:5: note: template argument deduction/substitution failed: mex.cpp:369:17: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::_Deque_iterator<_Tp, _Ref, _Ptr>’ while (to < u.t) { ^ In file included from /usr/include/c++/5/deque:64:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:67, from mex.cpp:1: /usr/include/c++/5/bits/stl_deque.h:2238:5: note: candidate: template<class _Tp, class _Alloc> bool std::operator<(const std::deque<_Tp, _Alloc>&, const std::deque<_Tp, _Alloc>&) operator<(const deque<_Tp, _Alloc>& __x, ^ /usr/include/c++/5/bits/stl_deque.h:2238:5: note: template argument deduction/substitution failed: mex.cpp:369:17: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::deque<_Tp, _Alloc>’ while (to < u.t) { ^ In file included from /usr/include/c++/5/tuple:39:0, from /usr/include/c++/5/functional:55, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:70, from mex.cpp:1: /usr/include/c++/5/array:250:5: note: candidate: template<class _Tp, long unsigned int _Nm> bool std::operator<(const std::array<_Tp, _Nm>&, const std::array<_Tp, _Nm>&) operator<(const array<_Tp, _Nm>& __a, const array<_Tp, _Nm>& __b) ^ /usr/include/c++/5/array:250:5: note: template argument deduction/substitution failed: mex.cpp:369:17: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::array<_Tp, _Nm>’ while (to < u.t) { ^ In file included from /usr/include/c++/5/functional:55:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:70, from mex.cpp:1: /usr/include/c++/5/tuple:928:5: note: candidate: template<class ... _TElements, class ... _UElements> constexpr bool std::operator<(const std::tuple<_Elements ...>&, const std::tuple<_Elements ...>&) operator<(const tuple<_TElements...>& __t, ^ /usr/include/c++/5/tuple:928:5: note: template argument deduction/substitution failed: mex.cpp:369:17: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::tuple<_Elements ...>’ while (to < u.t) { ^ In file included from /usr/include/c++/5/bits/locale_conv.h:41:0, from /usr/include/c++/5/locale:43, from /usr/include/c++/5/iomanip:43, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:71, from mex.cpp:1: /usr/include/c++/5/bits/unique_ptr.h:658:5: note: candidate: template<class _Tp, class _Dp, class _Up, class _Ep> bool std::operator<(const std::unique_ptr<_Tp, _Dp>&, const std::unique_ptr<_Up, _Ep>&) operator<(const unique_ptr<_Tp, _Dp>& __x, ^ /usr/include/c++/5/bits/unique_ptr.h:658:5: note: template argument deduction/substitution failed: mex.cpp:369:17: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::unique_ptr<_Tp, _Dp>’ while (to < u.t) { ^ In file included from /usr/include/c++/5/bits/locale_conv.h:41:0, from /usr/include/c++/5/locale:43, from /usr/include/c++/5/iomanip:43, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:71, from mex.cpp:1: /usr/include/c++/5/bits/unique_ptr.h:669:5: note: candidate: template<class _Tp, class _Dp> bool std::operator<(const std::unique_ptr<_Tp, _Dp>&, std::nullptr_t) operator<(const unique_ptr<_Tp, _Dp>& __x, nullptr_t) ^ /usr/include/c++/5/bits/unique_ptr.h:669:5: note: template argument deduction/substitution failed: mex.cpp:369:17: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::unique_ptr<_Tp, _Dp>’ while (to < u.t) { ^ In file included from /usr/include/c++/5/bits/locale_conv.h:41:0, from /usr/include/c++/5/locale:43, from /usr/include/c++/5/iomanip:43, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:71, from mex.cpp:1: /usr/include/c++/5/bits/unique_ptr.h:675:5: note: candidate: template<class _Tp, class _Dp> bool std::operator<(std::nullptr_t, const std::unique_ptr<_Tp, _Dp>&) operator<(nullptr_t, const unique_ptr<_Tp, _Dp>& __x) ^ /usr/include/c++/5/bits/unique_ptr.h:675:5: note: template argument deduction/substitution failed: mex.cpp:369:17: note: cannot convert ‘to’ (type ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’) to type ‘std::nullptr_t’ while (to < u.t) { ^ In file included from /usr/include/c++/5/list:63:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:78, from mex.cpp:1: /usr/include/c++/5/bits/stl_list.h:1836:5: note: candidate: template<class _Tp, class _Alloc> bool std::operator<(const std::__cxx11::list<_Tp, _Alloc>&, const std::__cxx11::list<_Tp, _Alloc>&) operator<(const list<_Tp, _Alloc>& __x, const list<_Tp, _Alloc>& __y) ^ /usr/include/c++/5/bits/stl_list.h:1836:5: note: template argument deduction/substitution failed: mex.cpp:369:17: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::__cxx11::list<_Tp, _Alloc>’ while (to < u.t) { ^ In file included from /usr/include/c++/5/map:60:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:80, from mex.cpp:1: /usr/include/c++/5/bits/stl_tree.h:1283:5: note: candidate: template<class _Key, class _Val, class _KeyOfValue, class _Compare, class _Alloc> bool std::operator<(const std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>&, const std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>&) operator<(const _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>& __x, ^ /usr/include/c++/5/bits/stl_tree.h:1283:5: note: template argument deduction/substitution failed: mex.cpp:369:17: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>’ while (to < u.t) { ^ In file included from /usr/include/c++/5/map:61:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:80, from mex.cpp:1: /usr/include/c++/5/bits/stl_map.h:1090:5: note: candidate: template<class _Key, class _Tp, class _Compare, class _Alloc> bool std::operator<(const std::map<_Key, _Tp, _Compare, _Alloc>&, const std::map<_Key, _Tp, _Compare, _Alloc>&) operator<(const map<_Key, _Tp, _Compare, _Alloc>& __x, ^ /usr/include/c++/5/bits/stl_map.h:1090:5: note: template argument deduction/substitution failed: mex.cpp:369:17: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::map<_Key, _Tp, _Compare, _Alloc>’ while (to < u.t) { ^ In file included from /usr/include/c++/5/map:62:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:80, from mex.cpp:1: /usr/include/c++/5/bits/stl_multimap.h:991:5: note: candidate: template<class _Key, class _Tp, class _Compare, class _Alloc> bool std::operator<(const std::multimap<_Key, _Tp, _Compare, _Alloc>&, const std::multimap<_Key, _Tp, _Compare, _Alloc>&) operator<(const multimap<_Key, _Tp, _Compare, _Alloc>& __x, ^ /usr/include/c++/5/bits/stl_multimap.h:991:5: note: template argument deduction/substitution failed: mex.cpp:369:17: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::multimap<_Key, _Tp, _Compare, _Alloc>’ while (to < u.t) { ^ In file included from /usr/include/c++/5/bits/shared_ptr.h:52:0, from /usr/include/c++/5/memory:82, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:81, from mex.cpp:1: /usr/include/c++/5/bits/shared_ptr_base.h:1215:5: note: candidate: template<class _Tp1, class _Tp2, __gnu_cxx::_Lock_policy _Lp> bool std::operator<(const std::__shared_ptr<_Tp1, _Lp>&, const std::__shared_ptr<_Tp2, _Lp>&) operator<(const __shared_ptr<_Tp1, _Lp>& __a, ^ /usr/include/c++/5/bits/shared_ptr_base.h:1215:5: note: template argument deduction/substitution failed: mex.cpp:369:17: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::__shared_ptr<_Tp1, _Lp>’ while (to < u.t) { ^ In file included from /usr/include/c++/5/bits/shared_ptr.h:52:0, from /usr/include/c++/5/memory:82, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:81, from mex.cpp:1: /usr/include/c++/5/bits/shared_ptr_base.h:1224:5: note: candidate: template<class _Tp, __gnu_cxx::_Lock_policy _Lp> bool std::operator<(const std::__shared_ptr<_Tp, _Lp>&, std::nullptr_t) operator<(const __shared_ptr<_Tp, _Lp>& __a, nullptr_t) noexcept ^ /usr/include/c++/5/bits/shared_ptr_base.h:1224:5: note: template argument deduction/substitution failed: mex.cpp:369:17: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::__shared_ptr<_Tp, _Lp>’ while (to < u.t) { ^ In file included from /usr/include/c++/5/bits/shared_ptr.h:52:0, from /usr/include/c++/5/memory:82, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:81, from mex.cpp:1: /usr/include/c++/5/bits/shared_ptr_base.h:1229:5: note: candidate: template<class _Tp, __gnu_cxx::_Lock_policy _Lp> bool std::operator<(std::nullptr_t, const std::__shared_ptr<_Tp, _Lp>&) operator<(nullptr_t, const __shared_ptr<_Tp, _Lp>& __a) noexcept ^ /usr/include/c++/5/bits/shared_ptr_base.h:1229:5: note: template argument deduction/substitution failed: mex.cpp:369:17: note: cannot convert ‘to’ (type ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’) to type ‘std::nullptr_t’ while (to < u.t) { ^ In file included from /usr/include/c++/5/memory:82:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:81, from mex.cpp:1: /usr/include/c++/5/bits/shared_ptr.h:368:5: note: candidate: template<class _Tp1, class _Tp2> bool std::operator<(const std::shared_ptr<_Tp1>&, const std::shared_ptr<_Tp2>&) operator<(const shared_ptr<_Tp1>& __a, ^ /usr/include/c++/5/bits/shared_ptr.h:368:5: note: template argument deduction/substitution failed: mex.cpp:369:17: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::shared_ptr<_Tp1>’ while (to < u.t) { ^ In file included from /usr/include/c++/5/memory:82:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:81, from mex.cpp:1: /usr/include/c++/5/bits/shared_ptr.h:377:5: note: candidate: template<class _Tp> bool std::operator<(const std::shared_ptr<_Tp1>&, std::nullptr_t) operator<(const shared_ptr<_Tp>& __a, nullptr_t) noexcept ^ /usr/include/c++/5/bits/shared_ptr.h:377:5: note: template argument deduction/substitution failed: mex.cpp:369:17: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::shared_ptr<_Tp1>’ while (to < u.t) { ^ In file included from /usr/include/c++/5/memory:82:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:81, from mex.cpp:1: /usr/include/c++/5/bits/shared_ptr.h:382:5: note: candidate: template<class _Tp> bool std::operator<(std::nullptr_t, const std::shared_ptr<_Tp1>&) operator<(nullptr_t, const shared_ptr<_Tp>& __a) noexcept ^ /usr/include/c++/5/bits/shared_ptr.h:382:5: note: template argument deduction/substitution failed: mex.cpp:369:17: note: cannot convert ‘to’ (type ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’) to type ‘std::nullptr_t’ while (to < u.t) { ^ In file included from /usr/include/c++/5/queue:64:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:85, from mex.cpp:1: /usr/include/c++/5/bits/stl_queue.h:289:5: note: candidate: template<class _Tp, class _Seq> bool std::operator<(const std::queue<_Tp, _Seq>&, const std::queue<_Tp, _Seq>&) operator<(const queue<_Tp, _Seq>& __x, const queue<_Tp, _Seq>& __y) ^ /usr/include/c++/5/bits/stl_queue.h:289:5: note: template argument deduction/substitution failed: mex.cpp:369:17: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::queue<_Tp, _Seq>’ while (to < u.t) { ^ In file included from /usr/include/c++/5/set:61:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:86, from mex.cpp:1: /usr/include/c++/5/bits/stl_set.h:859:5: note: candidate: template<class _Key, class _Compare, class _Alloc> bool std::operator<(const std::set<_Key, _Compare, _Alloc>&, const std::set<_Key, _Compare, _Alloc>&) operator<(const set<_Key, _Compare, _Alloc>& __x, ^ /usr/include/c++/5/bits/stl_set.h:859:5: note: template argument deduction/substitution failed: mex.cpp:369:17: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::set<_Key, _Compare, _Alloc>’ while (to < u.t) { ^ In file included from /usr/include/c++/5/set:62:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:86, from mex.cpp:1: /usr/include/c++/5/bits/stl_multiset.h:842:5: note: candidate: template<class _Key, class _Compare, class _Alloc> bool std::operator<(const std::multiset<_Key, _Compare, _Alloc>&, const std::multiset<_Key, _Compare, _Alloc>&) operator<(const multiset<_Key, _Compare, _Alloc>& __x, ^ /usr/include/c++/5/bits/stl_multiset.h:842:5: note: template argument deduction/substitution failed: mex.cpp:369:17: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::multiset<_Key, _Compare, _Alloc>’ while (to < u.t) { ^ In file included from /usr/include/c++/5/stack:61:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:88, from mex.cpp:1: /usr/include/c++/5/bits/stl_stack.h:264:5: note: candidate: template<class _Tp, class _Seq> bool std::operator<(const std::stack<_Tp, _Seq>&, const std::stack<_Tp, _Seq>&) operator<(const stack<_Tp, _Seq>& __x, const stack<_Tp, _Seq>& __y) ^ /usr/include/c++/5/bits/stl_stack.h:264:5: note: template argument deduction/substitution failed: mex.cpp:369:17: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::stack<_Tp, _Seq>’ while (to < u.t) { ^ In file included from /usr/include/c++/5/valarray:587:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94, from mex.cpp:1: /usr/include/c++/5/bits/valarray_after.h:416:5: note: candidate: template<class _Dom1, class _Dom2> std::_Expr<std::_BinClos<std::__less, std::_Expr, std::_Expr, _Dom1, _Dom2>, typename std::__fun<std::__less, typename _Dom1::value_type>::result_type> std::operator<(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::_Expr<_Dom2, typename _Dom2::value_type>&) _DEFINE_EXPR_BINARY_OPERATOR(<, __less) ^ /usr/include/c++/5/bits/valarray_after.h:416:5: note: template argument deduction/substitution failed: mex.cpp:369:17: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::_Expr<_Dom1, typename _Dom1::value_type>’ while (to < u.t) { ^ In file included from /usr/include/c++/5/valarray:587:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94, from mex.cpp:1: /usr/include/c++/5/bits/valarray_after.h:416:5: note: candidate: template<class _Dom> std::_Expr<std::_BinClos<std::__less, std::_Expr, std::_Constant, _Dom, typename _Dom::value_type>, typename std::__fun<std::__less, typename _Dom1::value_type>::result_type> std::operator<(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const typename _Dom::value_type&) _DEFINE_EXPR_BINARY_OPERATOR(<, __less) ^ /usr/include/c++/5/bits/valarray_after.h:416:5: note: template argument deduction/substitution failed: mex.cpp:369:17: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::_Expr<_Dom1, typename _Dom1::value_type>’ while (to < u.t) { ^ In file included from /usr/include/c++/5/valarray:587:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94, from mex.cpp:1: /usr/include/c++/5/bits/valarray_after.h:416:5: note: candidate: template<class _Dom> std::_Expr<std::_BinClos<std::__less, std::_Constant, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__less, typename _Dom1::value_type>::result_type> std::operator<(const typename _Dom::value_type&, const std::_Expr<_Dom1, typename _Dom1::value_type>&) _DEFINE_EXPR_BINARY_OPERATOR(<, __less) ^ /usr/include/c++/5/bits/valarray_after.h:416:5: note: template argument deduction/substitution failed: mex.cpp:369:17: note: mismatched types ‘const std::_Expr<_Dom1, typename _Dom1::value_type>’ and ‘int’ while (to < u.t) { ^ In file included from /usr/include/c++/5/valarray:587:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94, from mex.cpp:1: /usr/include/c++/5/bits/valarray_after.h:416:5: note: candidate: template<class _Dom> std::_Expr<std::_BinClos<std::__less, std::_Expr, std::_ValArray, _Dom, typename _Dom::value_type>, typename std::__fun<std::__less, typename _Dom1::value_type>::result_type> std::operator<(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::valarray<typename _Dom::value_type>&) _DEFINE_EXPR_BINARY_OPERATOR(<, __less) ^ /usr/include/c++/5/bits/valarray_after.h:416:5: note: template argument deduction/substitution failed: mex.cpp:369:17: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::_Expr<_Dom1, typename _Dom1::value_type>’ while (to < u.t) { ^ In file included from /usr/include/c++/5/valarray:587:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94, from mex.cpp:1: /usr/include/c++/5/bits/valarray_after.h:416:5: note: candidate: template<class _Dom> std::_Expr<std::_BinClos<std::__less, std::_ValArray, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__less, typename _Dom1::value_type>::result_type> std::operator<(const std::valarray<typename _Dom::value_type>&, const std::_Expr<_Dom1, typename _Dom1::value_type>&) _DEFINE_EXPR_BINARY_OPERATOR(<, __less) ^ /usr/include/c++/5/bits/valarray_after.h:416:5: note: template argument deduction/substitution failed: mex.cpp:369:17: note: mismatched types ‘const std::_Expr<_Dom1, typename _Dom1::value_type>’ and ‘int’ while (to < u.t) { ^ In file included from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94:0, from mex.cpp:1: /usr/include/c++/5/valarray:1181:1: note: candidate: template<class _Tp> std::_Expr<std::_BinClos<std::__less, std::_ValArray, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__less, _Tp>::result_type> std::operator<(const std::valarray<_Tp>&, const std::valarray<_Tp>&) _DEFINE_BINARY_OPERATOR(<, __less) ^ /usr/include/c++/5/valarray:1181:1: note: template argument deduction/substitution failed: mex.cpp:369:17: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::valarray<_Tp>’ while (to < u.t) { ^ In file included from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94:0, from mex.cpp:1: /usr/include/c++/5/valarray:1181:1: note: candidate: template<class _Tp> std::_Expr<std::_BinClos<std::__less, std::_ValArray, std::_Constant, _Tp, _Tp>, typename std::__fun<std::__less, _Tp>::result_type> std::operator<(const std::valarray<_Tp>&, const _Tp&) _DEFINE_BINARY_OPERATOR(<, __less) ^ /usr/include/c++/5/valarray:1181:1: note: template argument deduction/substitution failed: mex.cpp:369:17: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::valarray<_Tp>’ while (to < u.t) { ^ In file included from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94:0, from mex.cpp:1: /usr/include/c++/5/valarray:1181:1: note: candidate: template<class _Tp> std::_Expr<std::_BinClos<std::__less, std::_Constant, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__less, _Tp>::result_type> std::operator<(const _Tp&, const std::valarray<_Tp>&) _DEFINE_BINARY_OPERATOR(<, __less) ^ /usr/include/c++/5/valarray:1181:1: note: template argument deduction/substitution failed: mex.cpp:369:17: note: mismatched types ‘const std::valarray<_Tp>’ and ‘int’ while (to < u.t) { ^ In file included from /usr/include/c++/5/forward_list:38:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:102, from mex.cpp:1: /usr/include/c++/5/bits/forward_list.h:1363:5: note: candidate: template<class _Tp, class _Alloc> bool std::operator<(const std::forward_list<_Tp, _Alloc>&, const std::forward_list<_Tp, _Alloc>&) operator<(const forward_list<_Tp, _Alloc>& __lx, ^ /usr/include/c++/5/bits/forward_list.h:1363:5: note: template argument deduction/substitution failed: mex.cpp:369:17: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::forward_list<_Tp, _Alloc>’ while (to < u.t) { ^ In file included from /usr/include/c++/5/regex:61:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:108, from mex.cpp:1: /usr/include/c++/5/bits/regex.h:1426:5: note: candidate: template<class _Bi_iter> bool std::__cxx11::operator<(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&) operator<(const sub_match<_Bi_iter>& __lhs, ^ /usr/include/c++/5/bits/regex.h:1426:5: note: template argument deduction/substitution failed: mex.cpp:369:17: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::__cxx11::sub_match<_BiIter>’ while (to < u.t) { ^ In file included from /usr/include/c++/5/regex:61:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:108, from mex.cpp:1: /usr/include/c++/5/bits/regex.h:1346:5: note: candidate: template<class _Bi_iter> bool std::__cxx11::operator<(const typename std::iterator_traits<_Iter>::value_type&, const std::__cxx11::sub_match<_BiIter>&) operator<(typename iterator_traits<_Bi_iter>::value_type const& __lhs, ^ /usr/include/c++/5/bits/regex.h:1346:5: note: template argument deduction/substitution failed: mex.cpp:369:17: note: mismatched types ‘const std::__cxx11::sub_match<_BiIter>’ and ‘int’ while (to < u.t) { ^ In file included from /usr/include/c++/5/regex:61:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:108, from mex.cpp:1: /usr/include/c++/5/bits/regex.h:1269:5: note: candidate: template<class _Bi_iter> bool std::__cxx11::operator<(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*) operator<(const sub_match<_Bi_iter>& __lhs, ^ /usr/include/c++/5/bits/regex.h:1269:5: note: template argument deduction/substitution failed: mex.cpp:369:17: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::__cxx11::sub_match<_BiIter>’ while (to < u.t) { ^ In file included from /usr/include/c++/5/regex:61:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:108, from mex.cpp:1: /usr/include/c++/5/bits/regex.h:1195:5: note: candidate: template<class _Bi_iter> bool std::__cxx11::operator<(const typename std::iterator_traits<_Iter>::value_type*, const std::__cxx11::sub_match<_BiIter>&) operator<(typename iterator_traits<_Bi_iter>::value_type const* __lhs, ^ /usr/include/c++/5/bits/regex.h:1195:5: note: template argument deduction/substitution failed: mex.cpp:369:17: note: mismatched types ‘const std::__cxx11::sub_match<_BiIter>’ and ‘int’ while (to < u.t) { ^ In file included from /usr/include/c++/5/regex:61:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:108, from mex.cpp:1: /usr/include/c++/5/bits/regex.h:1118:5: note: candidate: template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator<(const std::__cxx11::sub_match<_BiIter>&, std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&) operator<(const sub_match<_Bi_iter>& __lhs, ^ /usr/include/c++/5/bits/regex.h:1118:5: note: template argument deduction/substitution failed: mex.cpp:369:17: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::__cxx11::sub_match<_BiIter>’ while (to < u.t) { ^ In file included from /usr/include/c++/5/regex:61:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:108, from mex.cpp:1: /usr/include/c++/5/bits/regex.h:1038:5: note: candidate: template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator<(std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&, const std::__cxx11::sub_match<_BiIter>&) operator<(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs, ^ /usr/include/c++/5/bits/regex.h:1038:5: note: template argument deduction/substitution failed: mex.cpp:369:17: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>’ while (to < u.t) { ^ In file included from /usr/include/c++/5/regex:61:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:108, from mex.cpp:1: /usr/include/c++/5/bits/regex.h:959:5: note: candidate: template<class _BiIter> bool std::__cxx11::operator<(const std::__cxx11::sub_match<_BiIter>&, const std::__cxx11::sub_match<_BiIter>&) operator<(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs) ^ /usr/include/c++/5/bits/regex.h:959:5: note: template argument deduction/substitution failed: mex.cpp:369:17: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::__cxx11::sub_match<_BiIter>’ while (to < u.t) { ^ In file included from /usr/include/c++/5/bits/stl_algobase.h:67:0, from /usr/include/c++/5/bits/char_traits.h:39, from /usr/include/c++/5/ios:40, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from mex.cpp:1: /usr/include/c++/5/bits/stl_iterator.h:856:5: note: candidate: template<class _Iterator, class _Container> bool __gnu_cxx::operator<(const __gnu_cxx::__normal_iterator<_Iterator, _Container>&, const __gnu_cxx::__normal_iterator<_Iterator, _Container>&) operator<(const __normal_iterator<_Iterator, _Container>& __lhs, ^ /usr/include/c++/5/bits/stl_iterator.h:856:5: note: template argument deduction/substitution failed: mex.cpp:369:17: note: mismatched types ‘const __gnu_cxx::__normal_iterator<_Iterator, _Container>’ and ‘int’ while (to < u.t) { ^ In file included from /usr/include/c++/5/bits/stl_algobase.h:67:0, from /usr/include/c++/5/bits/char_traits.h:39, from /usr/include/c++/5/ios:40, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from mex.cpp:1: /usr/include/c++/5/bits/stl_iterator.h:849:5: note: candidate: template<class _IteratorL, class _IteratorR, class _Container> bool __gnu_cxx::operator<(const __gnu_cxx::__normal_iterator<_IteratorL, _Container>&, const __gnu_cxx::__normal_iterator<_IteratorR, _Container>&) operator<(const __normal_iterator<_IteratorL, _Container>& __lhs, ^ /usr/include/c++/5/bits/stl_iterator.h:849:5: note: template argument deduction/substitution failed: mex.cpp:369:17: note: mismatched types ‘const __gnu_cxx::__normal_iterator<_IteratorR, _Container>’ and ‘int’ while (to < u.t) { ^ mex.cpp:370:12: error: no match for call to ‘(main()::<lambda(int)>) (__gnu_cxx::__normal_iterator<int*, std::vector<int> >)’ add(to++); ^ mex.cpp:347:27: note: candidate: main()::<lambda(int)> auto add = [&](int i) -> void { ^ mex.cpp:347:27: note: no known conversion for argument 1 from ‘__gnu_cxx::__normal_iterator<int*, std::vector<int> >’ to ‘int’ mex.cpp:373:15: error: no match for ‘operator<’ (operand types are ‘int’ and ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’) while (u.fr < f) { ^ In file included from /usr/include/c++/5/bits/stl_algobase.h:64:0, from /usr/include/c++/5/bits/char_traits.h:39, from /usr/include/c++/5/ios:40, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from mex.cpp:1: /usr/include/c++/5/bits/stl_pair.h:220:5: 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++/5/bits/stl_pair.h:220:5: note: template argument deduction/substitution failed: mex.cpp:373:17: note: mismatched types ‘const std::pair<_T1, _T2>’ and ‘int’ while (u.fr < f) { ^ In file included from /usr/include/c++/5/bits/stl_algobase.h:67:0, from /usr/include/c++/5/bits/char_traits.h:39, from /usr/include/c++/5/ios:40, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from mex.cpp:1: /usr/include/c++/5/bits/stl_iterator.h:298:5: 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++/5/bits/stl_iterator.h:298:5: note: template argument deduction/substitution failed: mex.cpp:373:17: note: mismatched types ‘const std::reverse_iterator<_Iterator>’ and ‘int’ while (u.fr < f) { ^ In file included from /usr/include/c++/5/bits/stl_algobase.h:67:0, from /usr/include/c++/5/bits/char_traits.h:39, from /usr/include/c++/5/ios:40, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from mex.cpp:1: /usr/include/c++/5/bits/stl_iterator.h:348:5: 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++/5/bits/stl_iterator.h:348:5: note: template argument deduction/substitution failed: mex.cpp:373:17: note: mismatched types ‘const std::reverse_iterator<_Iterator>’ and ‘int’ while (u.fr < f) { ^ In file included from /usr/include/c++/5/bits/stl_algobase.h:67:0, from /usr/include/c++/5/bits/char_traits.h:39, from /usr/include/c++/5/ios:40, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from mex.cpp:1: /usr/include/c++/5/bits/stl_iterator.h:1089:5: note: candidate: template<class _IteratorL, class _IteratorR> bool std::operator<(const std::move_iterator<_Iterator>&, const std::move_iterator<_IteratorR>&) operator<(const move_iterator<_IteratorL>& __x, ^ /usr/include/c++/5/bits/stl_iterator.h:1089:5: note: template argument deduction/substitution failed: mex.cpp:373:17: note: mismatched types ‘const std::move_iterator<_Iterator>’ and ‘int’ while (u.fr < f) { ^ In file included from /usr/include/c++/5/bits/stl_algobase.h:67:0, from /usr/include/c++/5/bits/char_traits.h:39, from /usr/include/c++/5/ios:40, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from mex.cpp:1: /usr/include/c++/5/bits/stl_iterator.h:1095:5: note: candidate: template<class _Iterator> bool std::operator<(const std::move_iterator<_Iterator>&, const std::move_iterator<_Iterator>&) operator<(const move_iterator<_Iterator>& __x, ^ /usr/include/c++/5/bits/stl_iterator.h:1095:5: note: template argument deduction/substitution failed: mex.cpp:373:17: note: mismatched types ‘const std::move_iterator<_Iterator>’ and ‘int’ while (u.fr < f) { ^ In file included from /usr/include/c++/5/string:52:0, from /usr/include/c++/5/bits/locale_classes.h:40, from /usr/include/c++/5/bits/ios_base.h:41, from /usr/include/c++/5/ios:42, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from mex.cpp:1: /usr/include/c++/5/bits/basic_string.h:4987:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> bool std::operator<(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&) operator<(const basic_string<_CharT, _Traits, _Alloc>& __lhs, ^ /usr/include/c++/5/bits/basic_string.h:4987:5: note: template argument deduction/substitution failed: mex.cpp:373:17: note: mismatched types ‘const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>’ and ‘int’ while (u.fr < f) { ^ In file included from /usr/include/c++/5/string:52:0, from /usr/include/c++/5/bits/locale_classes.h:40, from /usr/include/c++/5/bits/ios_base.h:41, from /usr/include/c++/5/ios:42, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from mex.cpp:1: /usr/include/c++/5/bits/basic_string.h:4999:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> bool std::operator<(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const _CharT*) operator<(const basic_string<_CharT, _Traits, _Alloc>& __lhs, ^ /usr/include/c++/5/bits/basic_string.h:4999:5: note: template argument deduction/substitution failed: mex.cpp:373:17: note: mismatched types ‘const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>’ and ‘int’ while (u.fr < f) { ^ In file included from /usr/include/c++/5/string:52:0, from /usr/include/c++/5/bits/locale_classes.h:40, from /usr/include/c++/5/bits/ios_base.h:41, from /usr/include/c++/5/ios:42, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from mex.cpp:1: /usr/include/c++/5/bits/basic_string.h:5011:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> bool std::operator<(const _CharT*, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&) operator<(const _CharT* __lhs, ^ /usr/include/c++/5/bits/basic_string.h:5011:5: note: template argument deduction/substitution failed: mex.cpp:373:17: note: mismatched types ‘const _CharT*’ and ‘int’ while (u.fr < f) { ^ In file included from /usr/include/c++/5/bits/ios_base.h:46:0, from /usr/include/c++/5/ios:42, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from mex.cpp:1: /usr/include/c++/5/system_error:200:3: note: candidate: bool std::operator<(const std::error_code&, const std::error_code&) operator<(const error_code& __lhs, const error_code& __rhs) noexcept ^ /usr/include/c++/5/system_error:200:3: note: no known conversion for argument 1 from ‘int’ to ‘const std::error_code&’ /usr/include/c++/5/system_error:274:3: note: candidate: bool std::operator<(const std::error_condition&, const std::error_condition&) operator<(const error_condition& __lhs, ^ /usr/include/c++/5/system_error:274:3: note: no known conversion for argument 1 from ‘int’ to ‘const std::error_condition&’ In file included from /usr/include/c++/5/vector:64:0, from /usr/include/c++/5/bits/random.h:34, from /usr/include/c++/5/random:49, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from mex.cpp:1: /usr/include/c++/5/bits/stl_vector.h:1528:5: note: candidate: template<class _Tp, class _Alloc> bool std::operator<(const std::vector<_Tp, _Alloc>&, const std::vector<_Tp, _Alloc>&) operator<(const vector<_Tp, _Alloc>& __x, const vector<_Tp, _Alloc>& __y) ^ /usr/include/c++/5/bits/stl_vector.h:1528:5: note: template argument deduction/substitution failed: mex.cpp:373:17: note: mismatched types ‘const std::vector<_Tp, _Alloc>’ and ‘int’ while (u.fr < f) { ^ In file included from /usr/include/c++/5/deque:64:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:67, from mex.cpp:1: /usr/include/c++/5/bits/stl_deque.h:291:5: note: candidate: template<class _Tp, class _Ref, class _Ptr> bool std::operator<(const std::_Deque_iterator<_Tp, _Ref, _Ptr>&, const std::_Deque_iterator<_Tp, _Ref, _Ptr>&) operator<(const _Deque_iterator<_Tp, _Ref, _Ptr>& __x, ^ /usr/include/c++/5/bits/stl_deque.h:291:5: note: template argument deduction/substitution failed: mex.cpp:373:17: note: mismatched types ‘const std::_Deque_iterator<_Tp, _Ref, _Ptr>’ and ‘int’ while (u.fr < f) { ^ In file included from /usr/include/c++/5/deque:64:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:67, from mex.cpp:1: /usr/include/c++/5/bits/stl_deque.h:299:5: note: candidate: template<class _Tp, class _RefL, class _PtrL, class _RefR, class _PtrR> bool std::operator<(const std::_Deque_iterator<_Tp, _Ref, _Ptr>&, const std::_Deque_iterator<_Tp, _RefR, _PtrR>&) operator<(const _Deque_iterator<_Tp, _RefL, _PtrL>& __x, ^ /usr/include/c++/5/bits/stl_deque.h:299:5: note: template argument deduction/substitution failed: mex.cpp:373:17: note: mismatched types ‘const std::_Deque_iterator<_Tp, _Ref, _Ptr>’ and ‘int’ while (u.fr < f) { ^ In file included from /usr/include/c++/5/deque:64:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:67, from mex.cpp:1: /usr/include/c++/5/bits/stl_deque.h:2238:5: note: candidate: template<class _Tp, class _Alloc> bool std::operator<(const std::deque<_Tp, _Alloc>&, const std::deque<_Tp, _Alloc>&) operator<(const deque<_Tp, _Alloc>& __x, ^ /usr/include/c++/5/bits/stl_deque.h:2238:5: note: template argument deduction/substitution failed: mex.cpp:373:17: note: mismatched types ‘const std::deque<_Tp, _Alloc>’ and ‘int’ while (u.fr < f) { ^ In file included from /usr/include/c++/5/tuple:39:0, from /usr/include/c++/5/functional:55, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:70, from mex.cpp:1: /usr/include/c++/5/array:250:5: note: candidate: template<class _Tp, long unsigned int _Nm> bool std::operator<(const std::array<_Tp, _Nm>&, const std::array<_Tp, _Nm>&) operator<(const array<_Tp, _Nm>& __a, const array<_Tp, _Nm>& __b) ^ /usr/include/c++/5/array:250:5: note: template argument deduction/substitution failed: mex.cpp:373:17: note: mismatched types ‘const std::array<_Tp, _Nm>’ and ‘int’ while (u.fr < f) { ^ In file included from /usr/include/c++/5/functional:55:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:70, from mex.cpp:1: /usr/include/c++/5/tuple:928:5: note: candidate: template<class ... _TElements, class ... _UElements> constexpr bool std::operator<(const std::tuple<_Elements ...>&, const std::tuple<_Elements ...>&) operator<(const tuple<_TElements...>& __t, ^ /usr/include/c++/5/tuple:928:5: note: template argument deduction/substitution failed: mex.cpp:373:17: note: mismatched types ‘const std::tuple<_Elements ...>’ and ‘int’ while (u.fr < f) { ^ In file included from /usr/include/c++/5/bits/locale_conv.h:41:0, from /usr/include/c++/5/locale:43, from /usr/include/c++/5/iomanip:43, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:71, from mex.cpp:1: /usr/include/c++/5/bits/unique_ptr.h:658:5: note: candidate: template<class _Tp, class _Dp, class _Up, class _Ep> bool std::operator<(const std::unique_ptr<_Tp, _Dp>&, const std::unique_ptr<_Up, _Ep>&) operator<(const unique_ptr<_Tp, _Dp>& __x, ^ /usr/include/c++/5/bits/unique_ptr.h:658:5: note: template argument deduction/substitution failed: mex.cpp:373:17: note: mismatched types ‘const std::unique_ptr<_Tp, _Dp>’ and ‘int’ while (u.fr < f) { ^ In file included from /usr/include/c++/5/bits/locale_conv.h:41:0, from /usr/include/c++/5/locale:43, from /usr/include/c++/5/iomanip:43, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:71, from mex.cpp:1: /usr/include/c++/5/bits/unique_ptr.h:669:5: note: candidate: template<class _Tp, class _Dp> bool std::operator<(const std::unique_ptr<_Tp, _Dp>&, std::nullptr_t) operator<(const unique_ptr<_Tp, _Dp>& __x, nullptr_t) ^ /usr/include/c++/5/bits/unique_ptr.h:669:5: note: template argument deduction/substitution failed: mex.cpp:373:17: note: mismatched types ‘const std::unique_ptr<_Tp, _Dp>’ and ‘int’ while (u.fr < f) { ^ In file included from /usr/include/c++/5/bits/locale_conv.h:41:0, from /usr/include/c++/5/locale:43, from /usr/include/c++/5/iomanip:43, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:71, from mex.cpp:1: /usr/include/c++/5/bits/unique_ptr.h:675:5: note: candidate: template<class _Tp, class _Dp> bool std::operator<(std::nullptr_t, const std::unique_ptr<_Tp, _Dp>&) operator<(nullptr_t, const unique_ptr<_Tp, _Dp>& __x) ^ /usr/include/c++/5/bits/unique_ptr.h:675:5: note: template argument deduction/substitution failed: mex.cpp:373:12: note: cannot convert ‘u.trys::fr’ (type ‘int’) to type ‘std::nullptr_t’ while (u.fr < f) { ^ In file included from /usr/include/c++/5/list:63:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:78, from mex.cpp:1: /usr/include/c++/5/bits/stl_list.h:1836:5: note: candidate: template<class _Tp, class _Alloc> bool std::operator<(const std::__cxx11::list<_Tp, _Alloc>&, const std::__cxx11::list<_Tp, _Alloc>&) operator<(const list<_Tp, _Alloc>& __x, const list<_Tp, _Alloc>& __y) ^ /usr/include/c++/5/bits/stl_list.h:1836:5: note: template argument deduction/substitution failed: mex.cpp:373:17: note: mismatched types ‘const std::__cxx11::list<_Tp, _Alloc>’ and ‘int’ while (u.fr < f) { ^ In file included from /usr/include/c++/5/map:60:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:80, from mex.cpp:1: /usr/include/c++/5/bits/stl_tree.h:1283:5: note: candidate: template<class _Key, class _Val, class _KeyOfValue, class _Compare, class _Alloc> bool std::operator<(const std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>&, const std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>&) operator<(const _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>& __x, ^ /usr/include/c++/5/bits/stl_tree.h:1283:5: note: template argument deduction/substitution failed: mex.cpp:373:17: note: mismatched types ‘const std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>’ and ‘int’ while (u.fr < f) { ^ In file included from /usr/include/c++/5/map:61:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:80, from mex.cpp:1: /usr/include/c++/5/bits/stl_map.h:1090:5: note: candidate: template<class _Key, class _Tp, class _Compare, class _Alloc> bool std::operator<(const std::map<_Key, _Tp, _Compare, _Alloc>&, const std::map<_Key, _Tp, _Compare, _Alloc>&) operator<(const map<_Key, _Tp, _Compare, _Alloc>& __x, ^ /usr/include/c++/5/bits/stl_map.h:1090:5: note: template argument deduction/substitution failed: mex.cpp:373:17: note: mismatched types ‘const std::map<_Key, _Tp, _Compare, _Alloc>’ and ‘int’ while (u.fr < f) { ^ In file included from /usr/include/c++/5/map:62:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:80, from mex.cpp:1: /usr/include/c++/5/bits/stl_multimap.h:991:5: note: candidate: template<class _Key, class _Tp, class _Compare, class _Alloc> bool std::operator<(const std::multimap<_Key, _Tp, _Compare, _Alloc>&, const std::multimap<_Key, _Tp, _Compare, _Alloc>&) operator<(const multimap<_Key, _Tp, _Compare, _Alloc>& __x, ^ /usr/include/c++/5/bits/stl_multimap.h:991:5: note: template argument deduction/substitution failed: mex.cpp:373:17: note: mismatched types ‘const std::multimap<_Key, _Tp, _Compare, _Alloc>’ and ‘int’ while (u.fr < f) { ^ In file included from /usr/include/c++/5/bits/shared_ptr.h:52:0, from /usr/include/c++/5/memory:82, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:81, from mex.cpp:1: /usr/include/c++/5/bits/shared_ptr_base.h:1215:5: note: candidate: template<class _Tp1, class _Tp2, __gnu_cxx::_Lock_policy _Lp> bool std::operator<(const std::__shared_ptr<_Tp1, _Lp>&, const std::__shared_ptr<_Tp2, _Lp>&) operator<(const __shared_ptr<_Tp1, _Lp>& __a, ^ /usr/include/c++/5/bits/shared_ptr_base.h:1215:5: note: template argument deduction/substitution failed: mex.cpp:373:17: note: mismatched types ‘const std::__shared_ptr<_Tp1, _Lp>’ and ‘int’ while (u.fr < f) { ^ In file included from /usr/include/c++/5/bits/shared_ptr.h:52:0, from /usr/include/c++/5/memory:82, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:81, from mex.cpp:1: /usr/include/c++/5/bits/shared_ptr_base.h:1224:5: note: candidate: template<class _Tp, __gnu_cxx::_Lock_policy _Lp> bool std::operator<(const std::__shared_ptr<_Tp, _Lp>&, std::nullptr_t) operator<(const __shared_ptr<_Tp, _Lp>& __a, nullptr_t) noexcept ^ /usr/include/c++/5/bits/shared_ptr_base.h:1224:5: note: template argument deduction/substitution failed: mex.cpp:373:17: note: mismatched types ‘const std::__shared_ptr<_Tp, _Lp>’ and ‘int’ while (u.fr < f) { ^ In file included from /usr/include/c++/5/bits/shared_ptr.h:52:0, from /usr/include/c++/5/memory:82, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:81, from mex.cpp:1: /usr/include/c++/5/bits/shared_ptr_base.h:1229:5: note: candidate: template<class _Tp, __gnu_cxx::_Lock_policy _Lp> bool std::operator<(std::nullptr_t, const std::__shared_ptr<_Tp, _Lp>&) operator<(nullptr_t, const __shared_ptr<_Tp, _Lp>& __a) noexcept ^ /usr/include/c++/5/bits/shared_ptr_base.h:1229:5: note: template argument deduction/substitution failed: mex.cpp:373:12: note: cannot convert ‘u.trys::fr’ (type ‘int’) to type ‘std::nullptr_t’ while (u.fr < f) { ^ In file included from /usr/include/c++/5/memory:82:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:81, from mex.cpp:1: /usr/include/c++/5/bits/shared_ptr.h:368:5: note: candidate: template<class _Tp1, class _Tp2> bool std::operator<(const std::shared_ptr<_Tp1>&, const std::shared_ptr<_Tp2>&) operator<(const shared_ptr<_Tp1>& __a, ^ /usr/include/c++/5/bits/shared_ptr.h:368:5: note: template argument deduction/substitution failed: mex.cpp:373:17: note: mismatched types ‘const std::shared_ptr<_Tp1>’ and ‘int’ while (u.fr < f) { ^ In file included from /usr/include/c++/5/memory:82:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:81, from mex.cpp:1: /usr/include/c++/5/bits/shared_ptr.h:377:5: note: candidate: template<class _Tp> bool std::operator<(const std::shared_ptr<_Tp1>&, std::nullptr_t) operator<(const shared_ptr<_Tp>& __a, nullptr_t) noexcept ^ /usr/include/c++/5/bits/shared_ptr.h:377:5: note: template argument deduction/substitution failed: mex.cpp:373:17: note: mismatched types ‘const std::shared_ptr<_Tp1>’ and ‘int’ while (u.fr < f) { ^ In file included from /usr/include/c++/5/memory:82:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:81, from mex.cpp:1: /usr/include/c++/5/bits/shared_ptr.h:382:5: note: candidate: template<class _Tp> bool std::operator<(std::nullptr_t, const std::shared_ptr<_Tp1>&) operator<(nullptr_t, const shared_ptr<_Tp>& __a) noexcept ^ /usr/include/c++/5/bits/shared_ptr.h:382:5: note: template argument deduction/substitution failed: mex.cpp:373:12: note: cannot convert ‘u.trys::fr’ (type ‘int’) to type ‘std::nullptr_t’ while (u.fr < f) { ^ In file included from /usr/include/c++/5/queue:64:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:85, from mex.cpp:1: /usr/include/c++/5/bits/stl_queue.h:289:5: note: candidate: template<class _Tp, class _Seq> bool std::operator<(const std::queue<_Tp, _Seq>&, const std::queue<_Tp, _Seq>&) operator<(const queue<_Tp, _Seq>& __x, const queue<_Tp, _Seq>& __y) ^ /usr/include/c++/5/bits/stl_queue.h:289:5: note: template argument deduction/substitution failed: mex.cpp:373:17: note: mismatched types ‘const std::queue<_Tp, _Seq>’ and ‘int’ while (u.fr < f) { ^ In file included from /usr/include/c++/5/set:61:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:86, from mex.cpp:1: /usr/include/c++/5/bits/stl_set.h:859:5: note: candidate: template<class _Key, class _Compare, class _Alloc> bool std::operator<(const std::set<_Key, _Compare, _Alloc>&, const std::set<_Key, _Compare, _Alloc>&) operator<(const set<_Key, _Compare, _Alloc>& __x, ^ /usr/include/c++/5/bits/stl_set.h:859:5: note: template argument deduction/substitution failed: mex.cpp:373:17: note: mismatched types ‘const std::set<_Key, _Compare, _Alloc>’ and ‘int’ while (u.fr < f) { ^ In file included from /usr/include/c++/5/set:62:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:86, from mex.cpp:1: /usr/include/c++/5/bits/stl_multiset.h:842:5: note: candidate: template<class _Key, class _Compare, class _Alloc> bool std::operator<(const std::multiset<_Key, _Compare, _Alloc>&, const std::multiset<_Key, _Compare, _Alloc>&) operator<(const multiset<_Key, _Compare, _Alloc>& __x, ^ /usr/include/c++/5/bits/stl_multiset.h:842:5: note: template argument deduction/substitution failed: mex.cpp:373:17: note: mismatched types ‘const std::multiset<_Key, _Compare, _Alloc>’ and ‘int’ while (u.fr < f) { ^ In file included from /usr/include/c++/5/stack:61:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:88, from mex.cpp:1: /usr/include/c++/5/bits/stl_stack.h:264:5: note: candidate: template<class _Tp, class _Seq> bool std::operator<(const std::stack<_Tp, _Seq>&, const std::stack<_Tp, _Seq>&) operator<(const stack<_Tp, _Seq>& __x, const stack<_Tp, _Seq>& __y) ^ /usr/include/c++/5/bits/stl_stack.h:264:5: note: template argument deduction/substitution failed: mex.cpp:373:17: note: mismatched types ‘const std::stack<_Tp, _Seq>’ and ‘int’ while (u.fr < f) { ^ In file included from /usr/include/c++/5/valarray:587:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94, from mex.cpp:1: /usr/include/c++/5/bits/valarray_after.h:416:5: note: candidate: template<class _Dom1, class _Dom2> std::_Expr<std::_BinClos<std::__less, std::_Expr, std::_Expr, _Dom1, _Dom2>, typename std::__fun<std::__less, typename _Dom1::value_type>::result_type> std::operator<(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::_Expr<_Dom2, typename _Dom2::value_type>&) _DEFINE_EXPR_BINARY_OPERATOR(<, __less) ^ /usr/include/c++/5/bits/valarray_after.h:416:5: note: template argument deduction/substitution failed: mex.cpp:373:17: note: mismatched types ‘const std::_Expr<_Dom1, typename _Dom1::value_type>’ and ‘int’ while (u.fr < f) { ^ In file included from /usr/include/c++/5/valarray:587:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94, from mex.cpp:1: /usr/include/c++/5/bits/valarray_after.h:416:5: note: candidate: template<class _Dom> std::_Expr<std::_BinClos<std::__less, std::_Expr, std::_Constant, _Dom, typename _Dom::value_type>, typename std::__fun<std::__less, typename _Dom1::value_type>::result_type> std::operator<(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const typename _Dom::value_type&) _DEFINE_EXPR_BINARY_OPERATOR(<, __less) ^ /usr/include/c++/5/bits/valarray_after.h:416:5: note: template argument deduction/substitution failed: mex.cpp:373:17: note: mismatched types ‘const std::_Expr<_Dom1, typename _Dom1::value_type>’ and ‘int’ while (u.fr < f) { ^ In file included from /usr/include/c++/5/valarray:587:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94, from mex.cpp:1: /usr/include/c++/5/bits/valarray_after.h:416:5: note: candidate: template<class _Dom> std::_Expr<std::_BinClos<std::__less, std::_Constant, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__less, typename _Dom1::value_type>::result_type> std::operator<(const typename _Dom::value_type&, const std::_Expr<_Dom1, typename _Dom1::value_type>&) _DEFINE_EXPR_BINARY_OPERATOR(<, __less) ^ /usr/include/c++/5/bits/valarray_after.h:416:5: note: template argument deduction/substitution failed: mex.cpp:373:17: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::_Expr<_Dom1, typename _Dom1::value_type>’ while (u.fr < f) { ^ In file included from /usr/include/c++/5/valarray:587:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94, from mex.cpp:1: /usr/include/c++/5/bits/valarray_after.h:416:5: note: candidate: template<class _Dom> std::_Expr<std::_BinClos<std::__less, std::_Expr, std::_ValArray, _Dom, typename _Dom::value_type>, typename std::__fun<std::__less, typename _Dom1::value_type>::result_type> std::operator<(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::valarray<typename _Dom::value_type>&) _DEFINE_EXPR_BINARY_OPERATOR(<, __less) ^ /usr/include/c++/5/bits/valarray_after.h:416:5: note: template argument deduction/substitution failed: mex.cpp:373:17: note: mismatched types ‘const std::_Expr<_Dom1, typename _Dom1::value_type>’ and ‘int’ while (u.fr < f) { ^ In file included from /usr/include/c++/5/valarray:587:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94, from mex.cpp:1: /usr/include/c++/5/bits/valarray_after.h:416:5: note: candidate: template<class _Dom> std::_Expr<std::_BinClos<std::__less, std::_ValArray, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__less, typename _Dom1::value_type>::result_type> std::operator<(const std::valarray<typename _Dom::value_type>&, const std::_Expr<_Dom1, typename _Dom1::value_type>&) _DEFINE_EXPR_BINARY_OPERATOR(<, __less) ^ /usr/include/c++/5/bits/valarray_after.h:416:5: note: template argument deduction/substitution failed: mex.cpp:373:17: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::_Expr<_Dom1, typename _Dom1::value_type>’ while (u.fr < f) { ^ In file included from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94:0, from mex.cpp:1: /usr/include/c++/5/valarray:1181:1: note: candidate: template<class _Tp> std::_Expr<std::_BinClos<std::__less, std::_ValArray, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__less, _Tp>::result_type> std::operator<(const std::valarray<_Tp>&, const std::valarray<_Tp>&) _DEFINE_BINARY_OPERATOR(<, __less) ^ /usr/include/c++/5/valarray:1181:1: note: template argument deduction/substitution failed: mex.cpp:373:17: note: mismatched types ‘const std::valarray<_Tp>’ and ‘int’ while (u.fr < f) { ^ In file included from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94:0, from mex.cpp:1: /usr/include/c++/5/valarray:1181:1: note: candidate: template<class _Tp> std::_Expr<std::_BinClos<std::__less, std::_ValArray, std::_Constant, _Tp, _Tp>, typename std::__fun<std::__less, _Tp>::result_type> std::operator<(const std::valarray<_Tp>&, const _Tp&) _DEFINE_BINARY_OPERATOR(<, __less) ^ /usr/include/c++/5/valarray:1181:1: note: template argument deduction/substitution failed: mex.cpp:373:17: note: mismatched types ‘const std::valarray<_Tp>’ and ‘int’ while (u.fr < f) { ^ In file included from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94:0, from mex.cpp:1: /usr/include/c++/5/valarray:1181:1: note: candidate: template<class _Tp> std::_Expr<std::_BinClos<std::__less, std::_Constant, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__less, _Tp>::result_type> std::operator<(const _Tp&, const std::valarray<_Tp>&) _DEFINE_BINARY_OPERATOR(<, __less) ^ /usr/include/c++/5/valarray:1181:1: note: template argument deduction/substitution failed: mex.cpp:373:17: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::valarray<_Tp>’ while (u.fr < f) { ^ In file included from /usr/include/c++/5/forward_list:38:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:102, from mex.cpp:1: /usr/include/c++/5/bits/forward_list.h:1363:5: note: candidate: template<class _Tp, class _Alloc> bool std::operator<(const std::forward_list<_Tp, _Alloc>&, const std::forward_list<_Tp, _Alloc>&) operator<(const forward_list<_Tp, _Alloc>& __lx, ^ /usr/include/c++/5/bits/forward_list.h:1363:5: note: template argument deduction/substitution failed: mex.cpp:373:17: note: mismatched types ‘const std::forward_list<_Tp, _Alloc>’ and ‘int’ while (u.fr < f) { ^ In file included from /usr/include/c++/5/regex:61:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:108, from mex.cpp:1: /usr/include/c++/5/bits/regex.h:1426:5: note: candidate: template<class _Bi_iter> bool std::__cxx11::operator<(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&) operator<(const sub_match<_Bi_iter>& __lhs, ^ /usr/include/c++/5/bits/regex.h:1426:5: note: template argument deduction/substitution failed: mex.cpp:373:17: note: mismatched types ‘const std::__cxx11::sub_match<_BiIter>’ and ‘int’ while (u.fr < f) { ^ In file included from /usr/include/c++/5/regex:61:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:108, from mex.cpp:1: /usr/include/c++/5/bits/regex.h:1346:5: note: candidate: template<class _Bi_iter> bool std::__cxx11::operator<(const typename std::iterator_traits<_Iter>::value_type&, const std::__cxx11::sub_match<_BiIter>&) operator<(typename iterator_traits<_Bi_iter>::value_type const& __lhs, ^ /usr/include/c++/5/bits/regex.h:1346:5: note: template argument deduction/substitution failed: mex.cpp:373:17: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::__cxx11::sub_match<_BiIter>’ while (u.fr < f) { ^ In file included from /usr/include/c++/5/regex:61:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:108, from mex.cpp:1: /usr/include/c++/5/bits/regex.h:1269:5: note: candidate: template<class _Bi_iter> bool std::__cxx11::operator<(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*) operator<(const sub_match<_Bi_iter>& __lhs, ^ /usr/include/c++/5/bits/regex.h:1269:5: note: template argument deduction/substitution failed: mex.cpp:373:17: note: mismatched types ‘const std::__cxx11::sub_match<_BiIter>’ and ‘int’ while (u.fr < f) { ^ In file included from /usr/include/c++/5/regex:61:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:108, from mex.cpp:1: /usr/include/c++/5/bits/regex.h:1195:5: note: candidate: template<class _Bi_iter> bool std::__cxx11::operator<(const typename std::iterator_traits<_Iter>::value_type*, const std::__cxx11::sub_match<_BiIter>&) operator<(typename iterator_traits<_Bi_iter>::value_type const* __lhs, ^ /usr/include/c++/5/bits/regex.h:1195:5: note: template argument deduction/substitution failed: mex.cpp:373:17: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::__cxx11::sub_match<_BiIter>’ while (u.fr < f) { ^ In file included from /usr/include/c++/5/regex:61:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:108, from mex.cpp:1: /usr/include/c++/5/bits/regex.h:1118:5: note: candidate: template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator<(const std::__cxx11::sub_match<_BiIter>&, std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&) operator<(const sub_match<_Bi_iter>& __lhs, ^ /usr/include/c++/5/bits/regex.h:1118:5: note: template argument deduction/substitution failed: mex.cpp:373:17: note: mismatched types ‘const std::__cxx11::sub_match<_BiIter>’ and ‘int’ while (u.fr < f) { ^ In file included from /usr/include/c++/5/regex:61:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:108, from mex.cpp:1: /usr/include/c++/5/bits/regex.h:1038:5: note: candidate: template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator<(std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&, const std::__cxx11::sub_match<_BiIter>&) operator<(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs, ^ /usr/include/c++/5/bits/regex.h:1038:5: note: template argument deduction/substitution failed: mex.cpp:373:17: note: mismatched types ‘std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>’ and ‘int’ while (u.fr < f) { ^ In file included from /usr/include/c++/5/regex:61:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:108, from mex.cpp:1: /usr/include/c++/5/bits/regex.h:959:5: note: candidate: template<class _BiIter> bool std::__cxx11::operator<(const std::__cxx11::sub_match<_BiIter>&, const std::__cxx11::sub_match<_BiIter>&) operator<(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs) ^ /usr/include/c++/5/bits/regex.h:959:5: note: template argument deduction/substitution failed: mex.cpp:373:17: note: mismatched types ‘const std::__cxx11::sub_match<_BiIter>’ and ‘int’ while (u.fr < f) { ^ In file included from /usr/include/c++/5/bits/stl_algobase.h:67:0, from /usr/include/c++/5/bits/char_traits.h:39, from /usr/include/c++/5/ios:40, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from mex.cpp:1: /usr/include/c++/5/bits/stl_iterator.h:856:5: note: candidate: template<class _Iterator, class _Container> bool __gnu_cxx::operator<(const __gnu_cxx::__normal_iterator<_Iterator, _Container>&, const __gnu_cxx::__normal_iterator<_Iterator, _Container>&) operator<(const __normal_iterator<_Iterator, _Container>& __lhs, ^ /usr/include/c++/5/bits/stl_iterator.h:856:5: note: template argument deduction/substitution failed: mex.cpp:373:17: note: mismatched types ‘const __gnu_cxx::__normal_iterator<_Iterator, _Container>’ and ‘int’ while (u.fr < f) { ^ In file included from /usr/include/c++/5/bits/stl_algobase.h:67:0, from /usr/include/c++/5/bits/char_traits.h:39, from /usr/include/c++/5/ios:40, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from mex.cpp:1: /usr/include/c++/5/bits/stl_iterator.h:849:5: note: candidate: template<class _IteratorL, class _IteratorR, class _Container> bool __gnu_cxx::operator<(const __gnu_cxx::__normal_iterator<_IteratorL, _Container>&, const __gnu_cxx::__normal_iterator<_IteratorR, _Container>&) operator<(const __normal_iterator<_IteratorL, _Container>& __lhs, ^ /usr/include/c++/5/bits/stl_iterator.h:849:5: note: template argument deduction/substitution failed: mex.cpp:373:17: note: mismatched types ‘const __gnu_cxx::__normal_iterator<_IteratorL, _Container>’ and ‘int’ while (u.fr < f) { ^ mex.cpp:374:11: error: no match for call to ‘(main()::<lambda(int)>) (__gnu_cxx::__normal_iterator<int*, std::vector<int> >&)’ add(--f); ^ mex.cpp:347:27: note: candidate: main()::<lambda(int)> auto add = [&](int i) -> void { ^ mex.cpp:347:27: note: no known conversion for argument 1 from ‘__gnu_cxx::__normal_iterator<int*, std::vector<int> >’ to ‘int’ mex.cpp:377:14: error: no match for ‘operator<’ (operand types are ‘int’ and ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’) while (u.t < to) { ^ In file included from /usr/include/c++/5/bits/stl_algobase.h:64:0, from /usr/include/c++/5/bits/char_traits.h:39, from /usr/include/c++/5/ios:40, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from mex.cpp:1: /usr/include/c++/5/bits/stl_pair.h:220:5: 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++/5/bits/stl_pair.h:220:5: note: template argument deduction/substitution failed: mex.cpp:377:16: note: mismatched types ‘const std::pair<_T1, _T2>’ and ‘int’ while (u.t < to) { ^ In file included from /usr/include/c++/5/bits/stl_algobase.h:67:0, from /usr/include/c++/5/bits/char_traits.h:39, from /usr/include/c++/5/ios:40, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from mex.cpp:1: /usr/include/c++/5/bits/stl_iterator.h:298:5: 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++/5/bits/stl_iterator.h:298:5: note: template argument deduction/substitution failed: mex.cpp:377:16: note: mismatched types ‘const std::reverse_iterator<_Iterator>’ and ‘int’ while (u.t < to) { ^ In file included from /usr/include/c++/5/bits/stl_algobase.h:67:0, from /usr/include/c++/5/bits/char_traits.h:39, from /usr/include/c++/5/ios:40, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from mex.cpp:1: /usr/include/c++/5/bits/stl_iterator.h:348:5: 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++/5/bits/stl_iterator.h:348:5: note: template argument deduction/substitution failed: mex.cpp:377:16: note: mismatched types ‘const std::reverse_iterator<_Iterator>’ and ‘int’ while (u.t < to) { ^ In file included from /usr/include/c++/5/bits/stl_algobase.h:67:0, from /usr/include/c++/5/bits/char_traits.h:39, from /usr/include/c++/5/ios:40, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from mex.cpp:1: /usr/include/c++/5/bits/stl_iterator.h:1089:5: note: candidate: template<class _IteratorL, class _IteratorR> bool std::operator<(const std::move_iterator<_Iterator>&, const std::move_iterator<_IteratorR>&) operator<(const move_iterator<_IteratorL>& __x, ^ /usr/include/c++/5/bits/stl_iterator.h:1089:5: note: template argument deduction/substitution failed: mex.cpp:377:16: note: mismatched types ‘const std::move_iterator<_Iterator>’ and ‘int’ while (u.t < to) { ^ In file included from /usr/include/c++/5/bits/stl_algobase.h:67:0, from /usr/include/c++/5/bits/char_traits.h:39, from /usr/include/c++/5/ios:40, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from mex.cpp:1: /usr/include/c++/5/bits/stl_iterator.h:1095:5: note: candidate: template<class _Iterator> bool std::operator<(const std::move_iterator<_Iterator>&, const std::move_iterator<_Iterator>&) operator<(const move_iterator<_Iterator>& __x, ^ /usr/include/c++/5/bits/stl_iterator.h:1095:5: note: template argument deduction/substitution failed: mex.cpp:377:16: note: mismatched types ‘const std::move_iterator<_Iterator>’ and ‘int’ while (u.t < to) { ^ In file included from /usr/include/c++/5/string:52:0, from /usr/include/c++/5/bits/locale_classes.h:40, from /usr/include/c++/5/bits/ios_base.h:41, from /usr/include/c++/5/ios:42, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from mex.cpp:1: /usr/include/c++/5/bits/basic_string.h:4987:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> bool std::operator<(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&) operator<(const basic_string<_CharT, _Traits, _Alloc>& __lhs, ^ /usr/include/c++/5/bits/basic_string.h:4987:5: note: template argument deduction/substitution failed: mex.cpp:377:16: note: mismatched types ‘const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>’ and ‘int’ while (u.t < to) { ^ In file included from /usr/include/c++/5/string:52:0, from /usr/include/c++/5/bits/locale_classes.h:40, from /usr/include/c++/5/bits/ios_base.h:41, from /usr/include/c++/5/ios:42, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from mex.cpp:1: /usr/include/c++/5/bits/basic_string.h:4999:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> bool std::operator<(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const _CharT*) operator<(const basic_string<_CharT, _Traits, _Alloc>& __lhs, ^ /usr/include/c++/5/bits/basic_string.h:4999:5: note: template argument deduction/substitution failed: mex.cpp:377:16: note: mismatched types ‘const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>’ and ‘int’ while (u.t < to) { ^ In file included from /usr/include/c++/5/string:52:0, from /usr/include/c++/5/bits/locale_classes.h:40, from /usr/include/c++/5/bits/ios_base.h:41, from /usr/include/c++/5/ios:42, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from mex.cpp:1: /usr/include/c++/5/bits/basic_string.h:5011:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> bool std::operator<(const _CharT*, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&) operator<(const _CharT* __lhs, ^ /usr/include/c++/5/bits/basic_string.h:5011:5: note: template argument deduction/substitution failed: mex.cpp:377:16: note: mismatched types ‘const _CharT*’ and ‘int’ while (u.t < to) { ^ In file included from /usr/include/c++/5/bits/ios_base.h:46:0, from /usr/include/c++/5/ios:42, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from mex.cpp:1: /usr/include/c++/5/system_error:200:3: note: candidate: bool std::operator<(const std::error_code&, const std::error_code&) operator<(const error_code& __lhs, const error_code& __rhs) noexcept ^ /usr/include/c++/5/system_error:200:3: note: no known conversion for argument 1 from ‘int’ to ‘const std::error_code&’ /usr/include/c++/5/system_error:274:3: note: candidate: bool std::operator<(const std::error_condition&, const std::error_condition&) operator<(const error_condition& __lhs, ^ /usr/include/c++/5/system_error:274:3: note: no known conversion for argument 1 from ‘int’ to ‘const std::error_condition&’ In file included from /usr/include/c++/5/vector:64:0, from /usr/include/c++/5/bits/random.h:34, from /usr/include/c++/5/random:49, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from mex.cpp:1: /usr/include/c++/5/bits/stl_vector.h:1528:5: note: candidate: template<class _Tp, class _Alloc> bool std::operator<(const std::vector<_Tp, _Alloc>&, const std::vector<_Tp, _Alloc>&) operator<(const vector<_Tp, _Alloc>& __x, const vector<_Tp, _Alloc>& __y) ^ /usr/include/c++/5/bits/stl_vector.h:1528:5: note: template argument deduction/substitution failed: mex.cpp:377:16: note: mismatched types ‘const std::vector<_Tp, _Alloc>’ and ‘int’ while (u.t < to) { ^ In file included from /usr/include/c++/5/deque:64:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:67, from mex.cpp:1: /usr/include/c++/5/bits/stl_deque.h:291:5: note: candidate: template<class _Tp, class _Ref, class _Ptr> bool std::operator<(const std::_Deque_iterator<_Tp, _Ref, _Ptr>&, const std::_Deque_iterator<_Tp, _Ref, _Ptr>&) operator<(const _Deque_iterator<_Tp, _Ref, _Ptr>& __x, ^ /usr/include/c++/5/bits/stl_deque.h:291:5: note: template argument deduction/substitution failed: mex.cpp:377:16: note: mismatched types ‘const std::_Deque_iterator<_Tp, _Ref, _Ptr>’ and ‘int’ while (u.t < to) { ^ In file included from /usr/include/c++/5/deque:64:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:67, from mex.cpp:1: /usr/include/c++/5/bits/stl_deque.h:299:5: note: candidate: template<class _Tp, class _RefL, class _PtrL, class _RefR, class _PtrR> bool std::operator<(const std::_Deque_iterator<_Tp, _Ref, _Ptr>&, const std::_Deque_iterator<_Tp, _RefR, _PtrR>&) operator<(const _Deque_iterator<_Tp, _RefL, _PtrL>& __x, ^ /usr/include/c++/5/bits/stl_deque.h:299:5: note: template argument deduction/substitution failed: mex.cpp:377:16: note: mismatched types ‘const std::_Deque_iterator<_Tp, _Ref, _Ptr>’ and ‘int’ while (u.t < to) { ^ In file included from /usr/include/c++/5/deque:64:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:67, from mex.cpp:1: /usr/include/c++/5/bits/stl_deque.h:2238:5: note: candidate: template<class _Tp, class _Alloc> bool std::operator<(const std::deque<_Tp, _Alloc>&, const std::deque<_Tp, _Alloc>&) operator<(const deque<_Tp, _Alloc>& __x, ^ /usr/include/c++/5/bits/stl_deque.h:2238:5: note: template argument deduction/substitution failed: mex.cpp:377:16: note: mismatched types ‘const std::deque<_Tp, _Alloc>’ and ‘int’ while (u.t < to) { ^ In file included from /usr/include/c++/5/tuple:39:0, from /usr/include/c++/5/functional:55, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:70, from mex.cpp:1: /usr/include/c++/5/array:250:5: note: candidate: template<class _Tp, long unsigned int _Nm> bool std::operator<(const std::array<_Tp, _Nm>&, const std::array<_Tp, _Nm>&) operator<(const array<_Tp, _Nm>& __a, const array<_Tp, _Nm>& __b) ^ /usr/include/c++/5/array:250:5: note: template argument deduction/substitution failed: mex.cpp:377:16: note: mismatched types ‘const std::array<_Tp, _Nm>’ and ‘int’ while (u.t < to) { ^ In file included from /usr/include/c++/5/functional:55:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:70, from mex.cpp:1: /usr/include/c++/5/tuple:928:5: note: candidate: template<class ... _TElements, class ... _UElements> constexpr bool std::operator<(const std::tuple<_Elements ...>&, const std::tuple<_Elements ...>&) operator<(const tuple<_TElements...>& __t, ^ /usr/include/c++/5/tuple:928:5: note: template argument deduction/substitution failed: mex.cpp:377:16: note: mismatched types ‘const std::tuple<_Elements ...>’ and ‘int’ while (u.t < to) { ^ In file included from /usr/include/c++/5/bits/locale_conv.h:41:0, from /usr/include/c++/5/locale:43, from /usr/include/c++/5/iomanip:43, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:71, from mex.cpp:1: /usr/include/c++/5/bits/unique_ptr.h:658:5: note: candidate: template<class _Tp, class _Dp, class _Up, class _Ep> bool std::operator<(const std::unique_ptr<_Tp, _Dp>&, const std::unique_ptr<_Up, _Ep>&) operator<(const unique_ptr<_Tp, _Dp>& __x, ^ /usr/include/c++/5/bits/unique_ptr.h:658:5: note: template argument deduction/substitution failed: mex.cpp:377:16: note: mismatched types ‘const std::unique_ptr<_Tp, _Dp>’ and ‘int’ while (u.t < to) { ^ In file included from /usr/include/c++/5/bits/locale_conv.h:41:0, from /usr/include/c++/5/locale:43, from /usr/include/c++/5/iomanip:43, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:71, from mex.cpp:1: /usr/include/c++/5/bits/unique_ptr.h:669:5: note: candidate: template<class _Tp, class _Dp> bool std::operator<(const std::unique_ptr<_Tp, _Dp>&, std::nullptr_t) operator<(const unique_ptr<_Tp, _Dp>& __x, nullptr_t) ^ /usr/include/c++/5/bits/unique_ptr.h:669:5: note: template argument deduction/substitution failed: mex.cpp:377:16: note: mismatched types ‘const std::unique_ptr<_Tp, _Dp>’ and ‘int’ while (u.t < to) { ^ In file included from /usr/include/c++/5/bits/locale_conv.h:41:0, from /usr/include/c++/5/locale:43, from /usr/include/c++/5/iomanip:43, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:71, from mex.cpp:1: /usr/include/c++/5/bits/unique_ptr.h:675:5: note: candidate: template<class _Tp, class _Dp> bool std::operator<(std::nullptr_t, const std::unique_ptr<_Tp, _Dp>&) operator<(nullptr_t, const unique_ptr<_Tp, _Dp>& __x) ^ /usr/include/c++/5/bits/unique_ptr.h:675:5: note: template argument deduction/substitution failed: mex.cpp:377:12: note: cannot convert ‘u.trys::t’ (type ‘int’) to type ‘std::nullptr_t’ while (u.t < to) { ^ In file included from /usr/include/c++/5/list:63:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:78, from mex.cpp:1: /usr/include/c++/5/bits/stl_list.h:1836:5: note: candidate: template<class _Tp, class _Alloc> bool std::operator<(const std::__cxx11::list<_Tp, _Alloc>&, const std::__cxx11::list<_Tp, _Alloc>&) operator<(const list<_Tp, _Alloc>& __x, const list<_Tp, _Alloc>& __y) ^ /usr/include/c++/5/bits/stl_list.h:1836:5: note: template argument deduction/substitution failed: mex.cpp:377:16: note: mismatched types ‘const std::__cxx11::list<_Tp, _Alloc>’ and ‘int’ while (u.t < to) { ^ In file included from /usr/include/c++/5/map:60:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:80, from mex.cpp:1: /usr/include/c++/5/bits/stl_tree.h:1283:5: note: candidate: template<class _Key, class _Val, class _KeyOfValue, class _Compare, class _Alloc> bool std::operator<(const std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>&, const std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>&) operator<(const _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>& __x, ^ /usr/include/c++/5/bits/stl_tree.h:1283:5: note: template argument deduction/substitution failed: mex.cpp:377:16: note: mismatched types ‘const std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>’ and ‘int’ while (u.t < to) { ^ In file included from /usr/include/c++/5/map:61:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:80, from mex.cpp:1: /usr/include/c++/5/bits/stl_map.h:1090:5: note: candidate: template<class _Key, class _Tp, class _Compare, class _Alloc> bool std::operator<(const std::map<_Key, _Tp, _Compare, _Alloc>&, const std::map<_Key, _Tp, _Compare, _Alloc>&) operator<(const map<_Key, _Tp, _Compare, _Alloc>& __x, ^ /usr/include/c++/5/bits/stl_map.h:1090:5: note: template argument deduction/substitution failed: mex.cpp:377:16: note: mismatched types ‘const std::map<_Key, _Tp, _Compare, _Alloc>’ and ‘int’ while (u.t < to) { ^ In file included from /usr/include/c++/5/map:62:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:80, from mex.cpp:1: /usr/include/c++/5/bits/stl_multimap.h:991:5: note: candidate: template<class _Key, class _Tp, class _Compare, class _Alloc> bool std::operator<(const std::multimap<_Key, _Tp, _Compare, _Alloc>&, const std::multimap<_Key, _Tp, _Compare, _Alloc>&) operator<(const multimap<_Key, _Tp, _Compare, _Alloc>& __x, ^ /usr/include/c++/5/bits/stl_multimap.h:991:5: note: template argument deduction/substitution failed: mex.cpp:377:16: note: mismatched types ‘const std::multimap<_Key, _Tp, _Compare, _Alloc>’ and ‘int’ while (u.t < to) { ^ In file included from /usr/include/c++/5/bits/shared_ptr.h:52:0, from /usr/include/c++/5/memory:82, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:81, from mex.cpp:1: /usr/include/c++/5/bits/shared_ptr_base.h:1215:5: note: candidate: template<class _Tp1, class _Tp2, __gnu_cxx::_Lock_policy _Lp> bool std::operator<(const std::__shared_ptr<_Tp1, _Lp>&, const std::__shared_ptr<_Tp2, _Lp>&) operator<(const __shared_ptr<_Tp1, _Lp>& __a, ^ /usr/include/c++/5/bits/shared_ptr_base.h:1215:5: note: template argument deduction/substitution failed: mex.cpp:377:16: note: mismatched types ‘const std::__shared_ptr<_Tp1, _Lp>’ and ‘int’ while (u.t < to) { ^ In file included from /usr/include/c++/5/bits/shared_ptr.h:52:0, from /usr/include/c++/5/memory:82, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:81, from mex.cpp:1: /usr/include/c++/5/bits/shared_ptr_base.h:1224:5: note: candidate: template<class _Tp, __gnu_cxx::_Lock_policy _Lp> bool std::operator<(const std::__shared_ptr<_Tp, _Lp>&, std::nullptr_t) operator<(const __shared_ptr<_Tp, _Lp>& __a, nullptr_t) noexcept ^ /usr/include/c++/5/bits/shared_ptr_base.h:1224:5: note: template argument deduction/substitution failed: mex.cpp:377:16: note: mismatched types ‘const std::__shared_ptr<_Tp, _Lp>’ and ‘int’ while (u.t < to) { ^ In file included from /usr/include/c++/5/bits/shared_ptr.h:52:0, from /usr/include/c++/5/memory:82, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:81, from mex.cpp:1: /usr/include/c++/5/bits/shared_ptr_base.h:1229:5: note: candidate: template<class _Tp, __gnu_cxx::_Lock_policy _Lp> bool std::operator<(std::nullptr_t, const std::__shared_ptr<_Tp, _Lp>&) operator<(nullptr_t, const __shared_ptr<_Tp, _Lp>& __a) noexcept ^ /usr/include/c++/5/bits/shared_ptr_base.h:1229:5: note: template argument deduction/substitution failed: mex.cpp:377:12: note: cannot convert ‘u.trys::t’ (type ‘int’) to type ‘std::nullptr_t’ while (u.t < to) { ^ In file included from /usr/include/c++/5/memory:82:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:81, from mex.cpp:1: /usr/include/c++/5/bits/shared_ptr.h:368:5: note: candidate: template<class _Tp1, class _Tp2> bool std::operator<(const std::shared_ptr<_Tp1>&, const std::shared_ptr<_Tp2>&) operator<(const shared_ptr<_Tp1>& __a, ^ /usr/include/c++/5/bits/shared_ptr.h:368:5: note: template argument deduction/substitution failed: mex.cpp:377:16: note: mismatched types ‘const std::shared_ptr<_Tp1>’ and ‘int’ while (u.t < to) { ^ In file included from /usr/include/c++/5/memory:82:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:81, from mex.cpp:1: /usr/include/c++/5/bits/shared_ptr.h:377:5: note: candidate: template<class _Tp> bool std::operator<(const std::shared_ptr<_Tp1>&, std::nullptr_t) operator<(const shared_ptr<_Tp>& __a, nullptr_t) noexcept ^ /usr/include/c++/5/bits/shared_ptr.h:377:5: note: template argument deduction/substitution failed: mex.cpp:377:16: note: mismatched types ‘const std::shared_ptr<_Tp1>’ and ‘int’ while (u.t < to) { ^ In file included from /usr/include/c++/5/memory:82:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:81, from mex.cpp:1: /usr/include/c++/5/bits/shared_ptr.h:382:5: note: candidate: template<class _Tp> bool std::operator<(std::nullptr_t, const std::shared_ptr<_Tp1>&) operator<(nullptr_t, const shared_ptr<_Tp>& __a) noexcept ^ /usr/include/c++/5/bits/shared_ptr.h:382:5: note: template argument deduction/substitution failed: mex.cpp:377:12: note: cannot convert ‘u.trys::t’ (type ‘int’) to type ‘std::nullptr_t’ while (u.t < to) { ^ In file included from /usr/include/c++/5/queue:64:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:85, from mex.cpp:1: /usr/include/c++/5/bits/stl_queue.h:289:5: note: candidate: template<class _Tp, class _Seq> bool std::operator<(const std::queue<_Tp, _Seq>&, const std::queue<_Tp, _Seq>&) operator<(const queue<_Tp, _Seq>& __x, const queue<_Tp, _Seq>& __y) ^ /usr/include/c++/5/bits/stl_queue.h:289:5: note: template argument deduction/substitution failed: mex.cpp:377:16: note: mismatched types ‘const std::queue<_Tp, _Seq>’ and ‘int’ while (u.t < to) { ^ In file included from /usr/include/c++/5/set:61:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:86, from mex.cpp:1: /usr/include/c++/5/bits/stl_set.h:859:5: note: candidate: template<class _Key, class _Compare, class _Alloc> bool std::operator<(const std::set<_Key, _Compare, _Alloc>&, const std::set<_Key, _Compare, _Alloc>&) operator<(const set<_Key, _Compare, _Alloc>& __x, ^ /usr/include/c++/5/bits/stl_set.h:859:5: note: template argument deduction/substitution failed: mex.cpp:377:16: note: mismatched types ‘const std::set<_Key, _Compare, _Alloc>’ and ‘int’ while (u.t < to) { ^ In file included from /usr/include/c++/5/set:62:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:86, from mex.cpp:1: /usr/include/c++/5/bits/stl_multiset.h:842:5: note: candidate: template<class _Key, class _Compare, class _Alloc> bool std::operator<(const std::multiset<_Key, _Compare, _Alloc>&, const std::multiset<_Key, _Compare, _Alloc>&) operator<(const multiset<_Key, _Compare, _Alloc>& __x, ^ /usr/include/c++/5/bits/stl_multiset.h:842:5: note: template argument deduction/substitution failed: mex.cpp:377:16: note: mismatched types ‘const std::multiset<_Key, _Compare, _Alloc>’ and ‘int’ while (u.t < to) { ^ In file included from /usr/include/c++/5/stack:61:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:88, from mex.cpp:1: /usr/include/c++/5/bits/stl_stack.h:264:5: note: candidate: template<class _Tp, class _Seq> bool std::operator<(const std::stack<_Tp, _Seq>&, const std::stack<_Tp, _Seq>&) operator<(const stack<_Tp, _Seq>& __x, const stack<_Tp, _Seq>& __y) ^ /usr/include/c++/5/bits/stl_stack.h:264:5: note: template argument deduction/substitution failed: mex.cpp:377:16: note: mismatched types ‘const std::stack<_Tp, _Seq>’ and ‘int’ while (u.t < to) { ^ In file included from /usr/include/c++/5/valarray:587:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94, from mex.cpp:1: /usr/include/c++/5/bits/valarray_after.h:416:5: note: candidate: template<class _Dom1, class _Dom2> std::_Expr<std::_BinClos<std::__less, std::_Expr, std::_Expr, _Dom1, _Dom2>, typename std::__fun<std::__less, typename _Dom1::value_type>::result_type> std::operator<(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::_Expr<_Dom2, typename _Dom2::value_type>&) _DEFINE_EXPR_BINARY_OPERATOR(<, __less) ^ /usr/include/c++/5/bits/valarray_after.h:416:5: note: template argument deduction/substitution failed: mex.cpp:377:16: note: mismatched types ‘const std::_Expr<_Dom1, typename _Dom1::value_type>’ and ‘int’ while (u.t < to) { ^ In file included from /usr/include/c++/5/valarray:587:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94, from mex.cpp:1: /usr/include/c++/5/bits/valarray_after.h:416:5: note: candidate: template<class _Dom> std::_Expr<std::_BinClos<std::__less, std::_Expr, std::_Constant, _Dom, typename _Dom::value_type>, typename std::__fun<std::__less, typename _Dom1::value_type>::result_type> std::operator<(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const typename _Dom::value_type&) _DEFINE_EXPR_BINARY_OPERATOR(<, __less) ^ /usr/include/c++/5/bits/valarray_after.h:416:5: note: template argument deduction/substitution failed: mex.cpp:377:16: note: mismatched types ‘const std::_Expr<_Dom1, typename _Dom1::value_type>’ and ‘int’ while (u.t < to) { ^ In file included from /usr/include/c++/5/valarray:587:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94, from mex.cpp:1: /usr/include/c++/5/bits/valarray_after.h:416:5: note: candidate: template<class _Dom> std::_Expr<std::_BinClos<std::__less, std::_Constant, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__less, typename _Dom1::value_type>::result_type> std::operator<(const typename _Dom::value_type&, const std::_Expr<_Dom1, typename _Dom1::value_type>&) _DEFINE_EXPR_BINARY_OPERATOR(<, __less) ^ /usr/include/c++/5/bits/valarray_after.h:416:5: note: template argument deduction/substitution failed: mex.cpp:377:16: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::_Expr<_Dom1, typename _Dom1::value_type>’ while (u.t < to) { ^ In file included from /usr/include/c++/5/valarray:587:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94, from mex.cpp:1: /usr/include/c++/5/bits/valarray_after.h:416:5: note: candidate: template<class _Dom> std::_Expr<std::_BinClos<std::__less, std::_Expr, std::_ValArray, _Dom, typename _Dom::value_type>, typename std::__fun<std::__less, typename _Dom1::value_type>::result_type> std::operator<(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::valarray<typename _Dom::value_type>&) _DEFINE_EXPR_BINARY_OPERATOR(<, __less) ^ /usr/include/c++/5/bits/valarray_after.h:416:5: note: template argument deduction/substitution failed: mex.cpp:377:16: note: mismatched types ‘const std::_Expr<_Dom1, typename _Dom1::value_type>’ and ‘int’ while (u.t < to) { ^ In file included from /usr/include/c++/5/valarray:587:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94, from mex.cpp:1: /usr/include/c++/5/bits/valarray_after.h:416:5: note: candidate: template<class _Dom> std::_Expr<std::_BinClos<std::__less, std::_ValArray, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__less, typename _Dom1::value_type>::result_type> std::operator<(const std::valarray<typename _Dom::value_type>&, const std::_Expr<_Dom1, typename _Dom1::value_type>&) _DEFINE_EXPR_BINARY_OPERATOR(<, __less) ^ /usr/include/c++/5/bits/valarray_after.h:416:5: note: template argument deduction/substitution failed: mex.cpp:377:16: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::_Expr<_Dom1, typename _Dom1::value_type>’ while (u.t < to) { ^ In file included from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94:0, from mex.cpp:1: /usr/include/c++/5/valarray:1181:1: note: candidate: template<class _Tp> std::_Expr<std::_BinClos<std::__less, std::_ValArray, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__less, _Tp>::result_type> std::operator<(const std::valarray<_Tp>&, const std::valarray<_Tp>&) _DEFINE_BINARY_OPERATOR(<, __less) ^ /usr/include/c++/5/valarray:1181:1: note: template argument deduction/substitution failed: mex.cpp:377:16: note: mismatched types ‘const std::valarray<_Tp>’ and ‘int’ while (u.t < to) { ^ In file included from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94:0, from mex.cpp:1: /usr/include/c++/5/valarray:1181:1: note: candidate: template<class _Tp> std::_Expr<std::_BinClos<std::__less, std::_ValArray, std::_Constant, _Tp, _Tp>, typename std::__fun<std::__less, _Tp>::result_type> std::operator<(const std::valarray<_Tp>&, const _Tp&) _DEFINE_BINARY_OPERATOR(<, __less) ^ /usr/include/c++/5/valarray:1181:1: note: template argument deduction/substitution failed: mex.cpp:377:16: note: mismatched types ‘const std::valarray<_Tp>’ and ‘int’ while (u.t < to) { ^ In file included from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94:0, from mex.cpp:1: /usr/include/c++/5/valarray:1181:1: note: candidate: template<class _Tp> std::_Expr<std::_BinClos<std::__less, std::_Constant, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__less, _Tp>::result_type> std::operator<(const _Tp&, const std::valarray<_Tp>&) _DEFINE_BINARY_OPERATOR(<, __less) ^ /usr/include/c++/5/valarray:1181:1: note: template argument deduction/substitution failed: mex.cpp:377:16: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::valarray<_Tp>’ while (u.t < to) { ^ In file included from /usr/include/c++/5/forward_list:38:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:102, from mex.cpp:1: /usr/include/c++/5/bits/forward_list.h:1363:5: note: candidate: template<class _Tp, class _Alloc> bool std::operator<(const std::forward_list<_Tp, _Alloc>&, const std::forward_list<_Tp, _Alloc>&) operator<(const forward_list<_Tp, _Alloc>& __lx, ^ /usr/include/c++/5/bits/forward_list.h:1363:5: note: template argument deduction/substitution failed: mex.cpp:377:16: note: mismatched types ‘const std::forward_list<_Tp, _Alloc>’ and ‘int’ while (u.t < to) { ^ In file included from /usr/include/c++/5/regex:61:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:108, from mex.cpp:1: /usr/include/c++/5/bits/regex.h:1426:5: note: candidate: template<class _Bi_iter> bool std::__cxx11::operator<(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&) operator<(const sub_match<_Bi_iter>& __lhs, ^ /usr/include/c++/5/bits/regex.h:1426:5: note: template argument deduction/substitution failed: mex.cpp:377:16: note: mismatched types ‘const std::__cxx11::sub_match<_BiIter>’ and ‘int’ while (u.t < to) { ^ In file included from /usr/include/c++/5/regex:61:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:108, from mex.cpp:1: /usr/include/c++/5/bits/regex.h:1346:5: note: candidate: template<class _Bi_iter> bool std::__cxx11::operator<(const typename std::iterator_traits<_Iter>::value_type&, const std::__cxx11::sub_match<_BiIter>&) operator<(typename iterator_traits<_Bi_iter>::value_type const& __lhs, ^ /usr/include/c++/5/bits/regex.h:1346:5: note: template argument deduction/substitution failed: mex.cpp:377:16: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::__cxx11::sub_match<_BiIter>’ while (u.t < to) { ^ In file included from /usr/include/c++/5/regex:61:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:108, from mex.cpp:1: /usr/include/c++/5/bits/regex.h:1269:5: note: candidate: template<class _Bi_iter> bool std::__cxx11::operator<(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*) operator<(const sub_match<_Bi_iter>& __lhs, ^ /usr/include/c++/5/bits/regex.h:1269:5: note: template argument deduction/substitution failed: mex.cpp:377:16: note: mismatched types ‘const std::__cxx11::sub_match<_BiIter>’ and ‘int’ while (u.t < to) { ^ In file included from /usr/include/c++/5/regex:61:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:108, from mex.cpp:1: /usr/include/c++/5/bits/regex.h:1195:5: note: candidate: template<class _Bi_iter> bool std::__cxx11::operator<(const typename std::iterator_traits<_Iter>::value_type*, const std::__cxx11::sub_match<_BiIter>&) operator<(typename iterator_traits<_Bi_iter>::value_type const* __lhs, ^ /usr/include/c++/5/bits/regex.h:1195:5: note: template argument deduction/substitution failed: mex.cpp:377:16: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::__cxx11::sub_match<_BiIter>’ while (u.t < to) { ^ In file included from /usr/include/c++/5/regex:61:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:108, from mex.cpp:1: /usr/include/c++/5/bits/regex.h:1118:5: note: candidate: template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator<(const std::__cxx11::sub_match<_BiIter>&, std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&) operator<(const sub_match<_Bi_iter>& __lhs, ^ /usr/include/c++/5/bits/regex.h:1118:5: note: template argument deduction/substitution failed: mex.cpp:377:16: note: mismatched types ‘const std::__cxx11::sub_match<_BiIter>’ and ‘int’ while (u.t < to) { ^ In file included from /usr/include/c++/5/regex:61:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:108, from mex.cpp:1: /usr/include/c++/5/bits/regex.h:1038:5: note: candidate: template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator<(std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&, const std::__cxx11::sub_match<_BiIter>&) operator<(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs, ^ /usr/include/c++/5/bits/regex.h:1038:5: note: template argument deduction/substitution failed: mex.cpp:377:16: note: mismatched types ‘std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>’ and ‘int’ while (u.t < to) { ^ In file included from /usr/include/c++/5/regex:61:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:108, from mex.cpp:1: /usr/include/c++/5/bits/regex.h:959:5: note: candidate: template<class _BiIter> bool std::__cxx11::operator<(const std::__cxx11::sub_match<_BiIter>&, const std::__cxx11::sub_match<_BiIter>&) operator<(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs) ^ /usr/include/c++/5/bits/regex.h:959:5: note: template argument deduction/substitution failed: mex.cpp:377:16: note: mismatched types ‘const std::__cxx11::sub_match<_BiIter>’ and ‘int’ while (u.t < to) { ^ In file included from /usr/include/c++/5/bits/stl_algobase.h:67:0, from /usr/include/c++/5/bits/char_traits.h:39, from /usr/include/c++/5/ios:40, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from mex.cpp:1: /usr/include/c++/5/bits/stl_iterator.h:856:5: note: candidate: template<class _Iterator, class _Container> bool __gnu_cxx::operator<(const __gnu_cxx::__normal_iterator<_Iterator, _Container>&, const __gnu_cxx::__normal_iterator<_Iterator, _Container>&) operator<(const __normal_iterator<_Iterator, _Container>& __lhs, ^ /usr/include/c++/5/bits/stl_iterator.h:856:5: note: template argument deduction/substitution failed: mex.cpp:377:16: note: mismatched types ‘const __gnu_cxx::__normal_iterator<_Iterator, _Container>’ and ‘int’ while (u.t < to) { ^ In file included from /usr/include/c++/5/bits/stl_algobase.h:67:0, from /usr/include/c++/5/bits/char_traits.h:39, from /usr/include/c++/5/ios:40, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from mex.cpp:1: /usr/include/c++/5/bits/stl_iterator.h:849:5: note: candidate: template<class _IteratorL, class _IteratorR, class _Container> bool __gnu_cxx::operator<(const __gnu_cxx::__normal_iterator<_IteratorL, _Container>&, const __gnu_cxx::__normal_iterator<_IteratorR, _Container>&) operator<(const __normal_iterator<_IteratorL, _Container>& __lhs, ^ /usr/include/c++/5/bits/stl_iterator.h:849:5: note: template argument deduction/substitution failed: mex.cpp:377:16: note: mismatched types ‘const __gnu_cxx::__normal_iterator<_IteratorL, _Container>’ and ‘int’ while (u.t < to) { ^ mex.cpp:378:12: error: no match for call to ‘(main()::<lambda(int)>) (__gnu_cxx::__normal_iterator<int*, std::vector<int> >&)’ rem(--to); ^ mex.cpp:357:27: note: candidate: main()::<lambda(int)> auto rem = [&](int i) -> void { ^ mex.cpp:357:27: note: no known conversion for argument 1 from ‘__gnu_cxx::__normal_iterator<int*, std::vector<int> >’ to ‘int’ mex.cpp:381:12: error: no match for ‘operator<’ (operand types are ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ and ‘int’) while (f < u.fr) { ^ In file included from /usr/include/c++/5/bits/stl_algobase.h:64:0, from /usr/include/c++/5/bits/char_traits.h:39, from /usr/include/c++/5/ios:40, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from mex.cpp:1: /usr/include/c++/5/bits/stl_pair.h:220:5: 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++/5/bits/stl_pair.h:220:5: note: template argument deduction/substitution failed: mex.cpp:381:16: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::pair<_T1, _T2>’ while (f < u.fr) { ^ In file included from /usr/include/c++/5/bits/stl_algobase.h:67:0, from /usr/include/c++/5/bits/char_traits.h:39, from /usr/include/c++/5/ios:40, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from mex.cpp:1: /usr/include/c++/5/bits/stl_iterator.h:298:5: 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++/5/bits/stl_iterator.h:298:5: note: template argument deduction/substitution failed: mex.cpp:381:16: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::reverse_iterator<_Iterator>’ while (f < u.fr) { ^ In file included from /usr/include/c++/5/bits/stl_algobase.h:67:0, from /usr/include/c++/5/bits/char_traits.h:39, from /usr/include/c++/5/ios:40, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from mex.cpp:1: /usr/include/c++/5/bits/stl_iterator.h:348:5: 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++/5/bits/stl_iterator.h:348:5: note: template argument deduction/substitution failed: mex.cpp:381:16: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::reverse_iterator<_Iterator>’ while (f < u.fr) { ^ In file included from /usr/include/c++/5/bits/stl_algobase.h:67:0, from /usr/include/c++/5/bits/char_traits.h:39, from /usr/include/c++/5/ios:40, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from mex.cpp:1: /usr/include/c++/5/bits/stl_iterator.h:1089:5: note: candidate: template<class _IteratorL, class _IteratorR> bool std::operator<(const std::move_iterator<_Iterator>&, const std::move_iterator<_IteratorR>&) operator<(const move_iterator<_IteratorL>& __x, ^ /usr/include/c++/5/bits/stl_iterator.h:1089:5: note: template argument deduction/substitution failed: mex.cpp:381:16: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::move_iterator<_Iterator>’ while (f < u.fr) { ^ In file included from /usr/include/c++/5/bits/stl_algobase.h:67:0, from /usr/include/c++/5/bits/char_traits.h:39, from /usr/include/c++/5/ios:40, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from mex.cpp:1: /usr/include/c++/5/bits/stl_iterator.h:1095:5: note: candidate: template<class _Iterator> bool std::operator<(const std::move_iterator<_Iterator>&, const std::move_iterator<_Iterator>&) operator<(const move_iterator<_Iterator>& __x, ^ /usr/include/c++/5/bits/stl_iterator.h:1095:5: note: template argument deduction/substitution failed: mex.cpp:381:16: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::move_iterator<_Iterator>’ while (f < u.fr) { ^ In file included from /usr/include/c++/5/string:52:0, from /usr/include/c++/5/bits/locale_classes.h:40, from /usr/include/c++/5/bits/ios_base.h:41, from /usr/include/c++/5/ios:42, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from mex.cpp:1: /usr/include/c++/5/bits/basic_string.h:4987:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> bool std::operator<(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&) operator<(const basic_string<_CharT, _Traits, _Alloc>& __lhs, ^ /usr/include/c++/5/bits/basic_string.h:4987:5: note: template argument deduction/substitution failed: mex.cpp:381:16: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>’ while (f < u.fr) { ^ In file included from /usr/include/c++/5/string:52:0, from /usr/include/c++/5/bits/locale_classes.h:40, from /usr/include/c++/5/bits/ios_base.h:41, from /usr/include/c++/5/ios:42, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from mex.cpp:1: /usr/include/c++/5/bits/basic_string.h:4999:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> bool std::operator<(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const _CharT*) operator<(const basic_string<_CharT, _Traits, _Alloc>& __lhs, ^ /usr/include/c++/5/bits/basic_string.h:4999:5: note: template argument deduction/substitution failed: mex.cpp:381:16: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>’ while (f < u.fr) { ^ In file included from /usr/include/c++/5/string:52:0, from /usr/include/c++/5/bits/locale_classes.h:40, from /usr/include/c++/5/bits/ios_base.h:41, from /usr/include/c++/5/ios:42, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from mex.cpp:1: /usr/include/c++/5/bits/basic_string.h:5011:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> bool std::operator<(const _CharT*, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&) operator<(const _CharT* __lhs, ^ /usr/include/c++/5/bits/basic_string.h:5011:5: note: template argument deduction/substitution failed: mex.cpp:381:16: note: mismatched types ‘const _CharT*’ and ‘__gnu_cxx::__normal_iterator<int*, std::vector<int> >’ while (f < u.fr) { ^ In file included from /usr/include/c++/5/bits/ios_base.h:46:0, from /usr/include/c++/5/ios:42, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from mex.cpp:1: /usr/include/c++/5/system_error:200:3: note: candidate: bool std::operator<(const std::error_code&, const std::error_code&) operator<(const error_code& __lhs, const error_code& __rhs) noexcept ^ /usr/include/c++/5/system_error:200:3: note: no known conversion for argument 1 from ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ to ‘const std::error_code&’ /usr/include/c++/5/system_error:274:3: note: candidate: bool std::operator<(const std::error_condition&, const std::error_condition&) operator<(const error_condition& __lhs, ^ /usr/include/c++/5/system_error:274:3: note: no known conversion for argument 1 from ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ to ‘const std::error_condition&’ In file included from /usr/include/c++/5/vector:64:0, from /usr/include/c++/5/bits/random.h:34, from /usr/include/c++/5/random:49, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from mex.cpp:1: /usr/include/c++/5/bits/stl_vector.h:1528:5: note: candidate: template<class _Tp, class _Alloc> bool std::operator<(const std::vector<_Tp, _Alloc>&, const std::vector<_Tp, _Alloc>&) operator<(const vector<_Tp, _Alloc>& __x, const vector<_Tp, _Alloc>& __y) ^ /usr/include/c++/5/bits/stl_vector.h:1528:5: note: template argument deduction/substitution failed: mex.cpp:381:16: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::vector<_Tp, _Alloc>’ while (f < u.fr) { ^ In file included from /usr/include/c++/5/deque:64:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:67, from mex.cpp:1: /usr/include/c++/5/bits/stl_deque.h:291:5: note: candidate: template<class _Tp, class _Ref, class _Ptr> bool std::operator<(const std::_Deque_iterator<_Tp, _Ref, _Ptr>&, const std::_Deque_iterator<_Tp, _Ref, _Ptr>&) operator<(const _Deque_iterator<_Tp, _Ref, _Ptr>& __x, ^ /usr/include/c++/5/bits/stl_deque.h:291:5: note: template argument deduction/substitution failed: mex.cpp:381:16: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::_Deque_iterator<_Tp, _Ref, _Ptr>’ while (f < u.fr) { ^ In file included from /usr/include/c++/5/deque:64:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:67, from mex.cpp:1: /usr/include/c++/5/bits/stl_deque.h:299:5: note: candidate: template<class _Tp, class _RefL, class _PtrL, class _RefR, class _PtrR> bool std::operator<(const std::_Deque_iterator<_Tp, _Ref, _Ptr>&, const std::_Deque_iterator<_Tp, _RefR, _PtrR>&) operator<(const _Deque_iterator<_Tp, _RefL, _PtrL>& __x, ^ /usr/include/c++/5/bits/stl_deque.h:299:5: note: template argument deduction/substitution failed: mex.cpp:381:16: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::_Deque_iterator<_Tp, _Ref, _Ptr>’ while (f < u.fr) { ^ In file included from /usr/include/c++/5/deque:64:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:67, from mex.cpp:1: /usr/include/c++/5/bits/stl_deque.h:2238:5: note: candidate: template<class _Tp, class _Alloc> bool std::operator<(const std::deque<_Tp, _Alloc>&, const std::deque<_Tp, _Alloc>&) operator<(const deque<_Tp, _Alloc>& __x, ^ /usr/include/c++/5/bits/stl_deque.h:2238:5: note: template argument deduction/substitution failed: mex.cpp:381:16: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::deque<_Tp, _Alloc>’ while (f < u.fr) { ^ In file included from /usr/include/c++/5/tuple:39:0, from /usr/include/c++/5/functional:55, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:70, from mex.cpp:1: /usr/include/c++/5/array:250:5: note: candidate: template<class _Tp, long unsigned int _Nm> bool std::operator<(const std::array<_Tp, _Nm>&, const std::array<_Tp, _Nm>&) operator<(const array<_Tp, _Nm>& __a, const array<_Tp, _Nm>& __b) ^ /usr/include/c++/5/array:250:5: note: template argument deduction/substitution failed: mex.cpp:381:16: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::array<_Tp, _Nm>’ while (f < u.fr) { ^ In file included from /usr/include/c++/5/functional:55:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:70, from mex.cpp:1: /usr/include/c++/5/tuple:928:5: note: candidate: template<class ... _TElements, class ... _UElements> constexpr bool std::operator<(const std::tuple<_Elements ...>&, const std::tuple<_Elements ...>&) operator<(const tuple<_TElements...>& __t, ^ /usr/include/c++/5/tuple:928:5: note: template argument deduction/substitution failed: mex.cpp:381:16: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::tuple<_Elements ...>’ while (f < u.fr) { ^ In file included from /usr/include/c++/5/bits/locale_conv.h:41:0, from /usr/include/c++/5/locale:43, from /usr/include/c++/5/iomanip:43, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:71, from mex.cpp:1: /usr/include/c++/5/bits/unique_ptr.h:658:5: note: candidate: template<class _Tp, class _Dp, class _Up, class _Ep> bool std::operator<(const std::unique_ptr<_Tp, _Dp>&, const std::unique_ptr<_Up, _Ep>&) operator<(const unique_ptr<_Tp, _Dp>& __x, ^ /usr/include/c++/5/bits/unique_ptr.h:658:5: note: template argument deduction/substitution failed: mex.cpp:381:16: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::unique_ptr<_Tp, _Dp>’ while (f < u.fr) { ^ In file included from /usr/include/c++/5/bits/locale_conv.h:41:0, from /usr/include/c++/5/locale:43, from /usr/include/c++/5/iomanip:43, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:71, from mex.cpp:1: /usr/include/c++/5/bits/unique_ptr.h:669:5: note: candidate: template<class _Tp, class _Dp> bool std::operator<(const std::unique_ptr<_Tp, _Dp>&, std::nullptr_t) operator<(const unique_ptr<_Tp, _Dp>& __x, nullptr_t) ^ /usr/include/c++/5/bits/unique_ptr.h:669:5: note: template argument deduction/substitution failed: mex.cpp:381:16: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::unique_ptr<_Tp, _Dp>’ while (f < u.fr) { ^ In file included from /usr/include/c++/5/bits/locale_conv.h:41:0, from /usr/include/c++/5/locale:43, from /usr/include/c++/5/iomanip:43, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:71, from mex.cpp:1: /usr/include/c++/5/bits/unique_ptr.h:675:5: note: candidate: template<class _Tp, class _Dp> bool std::operator<(std::nullptr_t, const std::unique_ptr<_Tp, _Dp>&) operator<(nullptr_t, const unique_ptr<_Tp, _Dp>& __x) ^ /usr/include/c++/5/bits/unique_ptr.h:675:5: note: template argument deduction/substitution failed: mex.cpp:381:16: note: cannot convert ‘f’ (type ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’) to type ‘std::nullptr_t’ while (f < u.fr) { ^ In file included from /usr/include/c++/5/list:63:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:78, from mex.cpp:1: /usr/include/c++/5/bits/stl_list.h:1836:5: note: candidate: template<class _Tp, class _Alloc> bool std::operator<(const std::__cxx11::list<_Tp, _Alloc>&, const std::__cxx11::list<_Tp, _Alloc>&) operator<(const list<_Tp, _Alloc>& __x, const list<_Tp, _Alloc>& __y) ^ /usr/include/c++/5/bits/stl_list.h:1836:5: note: template argument deduction/substitution failed: mex.cpp:381:16: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::__cxx11::list<_Tp, _Alloc>’ while (f < u.fr) { ^ In file included from /usr/include/c++/5/map:60:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:80, from mex.cpp:1: /usr/include/c++/5/bits/stl_tree.h:1283:5: note: candidate: template<class _Key, class _Val, class _KeyOfValue, class _Compare, class _Alloc> bool std::operator<(const std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>&, const std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>&) operator<(const _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>& __x, ^ /usr/include/c++/5/bits/stl_tree.h:1283:5: note: template argument deduction/substitution failed: mex.cpp:381:16: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>’ while (f < u.fr) { ^ In file included from /usr/include/c++/5/map:61:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:80, from mex.cpp:1: /usr/include/c++/5/bits/stl_map.h:1090:5: note: candidate: template<class _Key, class _Tp, class _Compare, class _Alloc> bool std::operator<(const std::map<_Key, _Tp, _Compare, _Alloc>&, const std::map<_Key, _Tp, _Compare, _Alloc>&) operator<(const map<_Key, _Tp, _Compare, _Alloc>& __x, ^ /usr/include/c++/5/bits/stl_map.h:1090:5: note: template argument deduction/substitution failed: mex.cpp:381:16: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::map<_Key, _Tp, _Compare, _Alloc>’ while (f < u.fr) { ^ In file included from /usr/include/c++/5/map:62:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:80, from mex.cpp:1: /usr/include/c++/5/bits/stl_multimap.h:991:5: note: candidate: template<class _Key, class _Tp, class _Compare, class _Alloc> bool std::operator<(const std::multimap<_Key, _Tp, _Compare, _Alloc>&, const std::multimap<_Key, _Tp, _Compare, _Alloc>&) operator<(const multimap<_Key, _Tp, _Compare, _Alloc>& __x, ^ /usr/include/c++/5/bits/stl_multimap.h:991:5: note: template argument deduction/substitution failed: mex.cpp:381:16: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::multimap<_Key, _Tp, _Compare, _Alloc>’ while (f < u.fr) { ^ In file included from /usr/include/c++/5/bits/shared_ptr.h:52:0, from /usr/include/c++/5/memory:82, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:81, from mex.cpp:1: /usr/include/c++/5/bits/shared_ptr_base.h:1215:5: note: candidate: template<class _Tp1, class _Tp2, __gnu_cxx::_Lock_policy _Lp> bool std::operator<(const std::__shared_ptr<_Tp1, _Lp>&, const std::__shared_ptr<_Tp2, _Lp>&) operator<(const __shared_ptr<_Tp1, _Lp>& __a, ^ /usr/include/c++/5/bits/shared_ptr_base.h:1215:5: note: template argument deduction/substitution failed: mex.cpp:381:16: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::__shared_ptr<_Tp1, _Lp>’ while (f < u.fr) { ^ In file included from /usr/include/c++/5/bits/shared_ptr.h:52:0, from /usr/include/c++/5/memory:82, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:81, from mex.cpp:1: /usr/include/c++/5/bits/shared_ptr_base.h:1224:5: note: candidate: template<class _Tp, __gnu_cxx::_Lock_policy _Lp> bool std::operator<(const std::__shared_ptr<_Tp, _Lp>&, std::nullptr_t) operator<(const __shared_ptr<_Tp, _Lp>& __a, nullptr_t) noexcept ^ /usr/include/c++/5/bits/shared_ptr_base.h:1224:5: note: template argument deduction/substitution failed: mex.cpp:381:16: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::__shared_ptr<_Tp, _Lp>’ while (f < u.fr) { ^ In file included from /usr/include/c++/5/bits/shared_ptr.h:52:0, from /usr/include/c++/5/memory:82, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:81, from mex.cpp:1: /usr/include/c++/5/bits/shared_ptr_base.h:1229:5: note: candidate: template<class _Tp, __gnu_cxx::_Lock_policy _Lp> bool std::operator<(std::nullptr_t, const std::__shared_ptr<_Tp, _Lp>&) operator<(nullptr_t, const __shared_ptr<_Tp, _Lp>& __a) noexcept ^ /usr/include/c++/5/bits/shared_ptr_base.h:1229:5: note: template argument deduction/substitution failed: mex.cpp:381:16: note: cannot convert ‘f’ (type ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’) to type ‘std::nullptr_t’ while (f < u.fr) { ^ In file included from /usr/include/c++/5/memory:82:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:81, from mex.cpp:1: /usr/include/c++/5/bits/shared_ptr.h:368:5: note: candidate: template<class _Tp1, class _Tp2> bool std::operator<(const std::shared_ptr<_Tp1>&, const std::shared_ptr<_Tp2>&) operator<(const shared_ptr<_Tp1>& __a, ^ /usr/include/c++/5/bits/shared_ptr.h:368:5: note: template argument deduction/substitution failed: mex.cpp:381:16: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::shared_ptr<_Tp1>’ while (f < u.fr) { ^ In file included from /usr/include/c++/5/memory:82:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:81, from mex.cpp:1: /usr/include/c++/5/bits/shared_ptr.h:377:5: note: candidate: template<class _Tp> bool std::operator<(const std::shared_ptr<_Tp1>&, std::nullptr_t) operator<(const shared_ptr<_Tp>& __a, nullptr_t) noexcept ^ /usr/include/c++/5/bits/shared_ptr.h:377:5: note: template argument deduction/substitution failed: mex.cpp:381:16: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::shared_ptr<_Tp1>’ while (f < u.fr) { ^ In file included from /usr/include/c++/5/memory:82:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:81, from mex.cpp:1: /usr/include/c++/5/bits/shared_ptr.h:382:5: note: candidate: template<class _Tp> bool std::operator<(std::nullptr_t, const std::shared_ptr<_Tp1>&) operator<(nullptr_t, const shared_ptr<_Tp>& __a) noexcept ^ /usr/include/c++/5/bits/shared_ptr.h:382:5: note: template argument deduction/substitution failed: mex.cpp:381:16: note: cannot convert ‘f’ (type ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’) to type ‘std::nullptr_t’ while (f < u.fr) { ^ In file included from /usr/include/c++/5/queue:64:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:85, from mex.cpp:1: /usr/include/c++/5/bits/stl_queue.h:289:5: note: candidate: template<class _Tp, class _Seq> bool std::operator<(const std::queue<_Tp, _Seq>&, const std::queue<_Tp, _Seq>&) operator<(const queue<_Tp, _Seq>& __x, const queue<_Tp, _Seq>& __y) ^ /usr/include/c++/5/bits/stl_queue.h:289:5: note: template argument deduction/substitution failed: mex.cpp:381:16: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::queue<_Tp, _Seq>’ while (f < u.fr) { ^ In file included from /usr/include/c++/5/set:61:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:86, from mex.cpp:1: /usr/include/c++/5/bits/stl_set.h:859:5: note: candidate: template<class _Key, class _Compare, class _Alloc> bool std::operator<(const std::set<_Key, _Compare, _Alloc>&, const std::set<_Key, _Compare, _Alloc>&) operator<(const set<_Key, _Compare, _Alloc>& __x, ^ /usr/include/c++/5/bits/stl_set.h:859:5: note: template argument deduction/substitution failed: mex.cpp:381:16: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::set<_Key, _Compare, _Alloc>’ while (f < u.fr) { ^ In file included from /usr/include/c++/5/set:62:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:86, from mex.cpp:1: /usr/include/c++/5/bits/stl_multiset.h:842:5: note: candidate: template<class _Key, class _Compare, class _Alloc> bool std::operator<(const std::multiset<_Key, _Compare, _Alloc>&, const std::multiset<_Key, _Compare, _Alloc>&) operator<(const multiset<_Key, _Compare, _Alloc>& __x, ^ /usr/include/c++/5/bits/stl_multiset.h:842:5: note: template argument deduction/substitution failed: mex.cpp:381:16: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::multiset<_Key, _Compare, _Alloc>’ while (f < u.fr) { ^ In file included from /usr/include/c++/5/stack:61:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:88, from mex.cpp:1: /usr/include/c++/5/bits/stl_stack.h:264:5: note: candidate: template<class _Tp, class _Seq> bool std::operator<(const std::stack<_Tp, _Seq>&, const std::stack<_Tp, _Seq>&) operator<(const stack<_Tp, _Seq>& __x, const stack<_Tp, _Seq>& __y) ^ /usr/include/c++/5/bits/stl_stack.h:264:5: note: template argument deduction/substitution failed: mex.cpp:381:16: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::stack<_Tp, _Seq>’ while (f < u.fr) { ^ In file included from /usr/include/c++/5/valarray:587:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94, from mex.cpp:1: /usr/include/c++/5/bits/valarray_after.h:416:5: note: candidate: template<class _Dom1, class _Dom2> std::_Expr<std::_BinClos<std::__less, std::_Expr, std::_Expr, _Dom1, _Dom2>, typename std::__fun<std::__less, typename _Dom1::value_type>::result_type> std::operator<(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::_Expr<_Dom2, typename _Dom2::value_type>&) _DEFINE_EXPR_BINARY_OPERATOR(<, __less) ^ /usr/include/c++/5/bits/valarray_after.h:416:5: note: template argument deduction/substitution failed: mex.cpp:381:16: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::_Expr<_Dom1, typename _Dom1::value_type>’ while (f < u.fr) { ^ In file included from /usr/include/c++/5/valarray:587:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94, from mex.cpp:1: /usr/include/c++/5/bits/valarray_after.h:416:5: note: candidate: template<class _Dom> std::_Expr<std::_BinClos<std::__less, std::_Expr, std::_Constant, _Dom, typename _Dom::value_type>, typename std::__fun<std::__less, typename _Dom1::value_type>::result_type> std::operator<(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const typename _Dom::value_type&) _DEFINE_EXPR_BINARY_OPERATOR(<, __less) ^ /usr/include/c++/5/bits/valarray_after.h:416:5: note: template argument deduction/substitution failed: mex.cpp:381:16: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::_Expr<_Dom1, typename _Dom1::value_type>’ while (f < u.fr) { ^ In file included from /usr/include/c++/5/valarray:587:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94, from mex.cpp:1: /usr/include/c++/5/bits/valarray_after.h:416:5: note: candidate: template<class _Dom> std::_Expr<std::_BinClos<std::__less, std::_Constant, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__less, typename _Dom1::value_type>::result_type> std::operator<(const typename _Dom::value_type&, const std::_Expr<_Dom1, typename _Dom1::value_type>&) _DEFINE_EXPR_BINARY_OPERATOR(<, __less) ^ /usr/include/c++/5/bits/valarray_after.h:416:5: note: template argument deduction/substitution failed: mex.cpp:381:16: note: mismatched types ‘const std::_Expr<_Dom1, typename _Dom1::value_type>’ and ‘int’ while (f < u.fr) { ^ In file included from /usr/include/c++/5/valarray:587:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94, from mex.cpp:1: /usr/include/c++/5/bits/valarray_after.h:416:5: note: candidate: template<class _Dom> std::_Expr<std::_BinClos<std::__less, std::_Expr, std::_ValArray, _Dom, typename _Dom::value_type>, typename std::__fun<std::__less, typename _Dom1::value_type>::result_type> std::operator<(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::valarray<typename _Dom::value_type>&) _DEFINE_EXPR_BINARY_OPERATOR(<, __less) ^ /usr/include/c++/5/bits/valarray_after.h:416:5: note: template argument deduction/substitution failed: mex.cpp:381:16: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::_Expr<_Dom1, typename _Dom1::value_type>’ while (f < u.fr) { ^ In file included from /usr/include/c++/5/valarray:587:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94, from mex.cpp:1: /usr/include/c++/5/bits/valarray_after.h:416:5: note: candidate: template<class _Dom> std::_Expr<std::_BinClos<std::__less, std::_ValArray, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__less, typename _Dom1::value_type>::result_type> std::operator<(const std::valarray<typename _Dom::value_type>&, const std::_Expr<_Dom1, typename _Dom1::value_type>&) _DEFINE_EXPR_BINARY_OPERATOR(<, __less) ^ /usr/include/c++/5/bits/valarray_after.h:416:5: note: template argument deduction/substitution failed: mex.cpp:381:16: note: mismatched types ‘const std::_Expr<_Dom1, typename _Dom1::value_type>’ and ‘int’ while (f < u.fr) { ^ In file included from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94:0, from mex.cpp:1: /usr/include/c++/5/valarray:1181:1: note: candidate: template<class _Tp> std::_Expr<std::_BinClos<std::__less, std::_ValArray, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__less, _Tp>::result_type> std::operator<(const std::valarray<_Tp>&, const std::valarray<_Tp>&) _DEFINE_BINARY_OPERATOR(<, __less) ^ /usr/include/c++/5/valarray:1181:1: note: template argument deduction/substitution failed: mex.cpp:381:16: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::valarray<_Tp>’ while (f < u.fr) { ^ In file included from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94:0, from mex.cpp:1: /usr/include/c++/5/valarray:1181:1: note: candidate: template<class _Tp> std::_Expr<std::_BinClos<std::__less, std::_ValArray, std::_Constant, _Tp, _Tp>, typename std::__fun<std::__less, _Tp>::result_type> std::operator<(const std::valarray<_Tp>&, const _Tp&) _DEFINE_BINARY_OPERATOR(<, __less) ^ /usr/include/c++/5/valarray:1181:1: note: template argument deduction/substitution failed: mex.cpp:381:16: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::valarray<_Tp>’ while (f < u.fr) { ^ In file included from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94:0, from mex.cpp:1: /usr/include/c++/5/valarray:1181:1: note: candidate: template<class _Tp> std::_Expr<std::_BinClos<std::__less, std::_Constant, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__less, _Tp>::result_type> std::operator<(const _Tp&, const std::valarray<_Tp>&) _DEFINE_BINARY_OPERATOR(<, __less) ^ /usr/include/c++/5/valarray:1181:1: note: template argument deduction/substitution failed: mex.cpp:381:16: note: mismatched types ‘const std::valarray<_Tp>’ and ‘int’ while (f < u.fr) { ^ In file included from /usr/include/c++/5/forward_list:38:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:102, from mex.cpp:1: /usr/include/c++/5/bits/forward_list.h:1363:5: note: candidate: template<class _Tp, class _Alloc> bool std::operator<(const std::forward_list<_Tp, _Alloc>&, const std::forward_list<_Tp, _Alloc>&) operator<(const forward_list<_Tp, _Alloc>& __lx, ^ /usr/include/c++/5/bits/forward_list.h:1363:5: note: template argument deduction/substitution failed: mex.cpp:381:16: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::forward_list<_Tp, _Alloc>’ while (f < u.fr) { ^ In file included from /usr/include/c++/5/regex:61:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:108, from mex.cpp:1: /usr/include/c++/5/bits/regex.h:1426:5: note: candidate: template<class _Bi_iter> bool std::__cxx11::operator<(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&) operator<(const sub_match<_Bi_iter>& __lhs, ^ /usr/include/c++/5/bits/regex.h:1426:5: note: template argument deduction/substitution failed: mex.cpp:381:16: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::__cxx11::sub_match<_BiIter>’ while (f < u.fr) { ^ In file included from /usr/include/c++/5/regex:61:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:108, from mex.cpp:1: /usr/include/c++/5/bits/regex.h:1346:5: note: candidate: template<class _Bi_iter> bool std::__cxx11::operator<(const typename std::iterator_traits<_Iter>::value_type&, const std::__cxx11::sub_match<_BiIter>&) operator<(typename iterator_traits<_Bi_iter>::value_type const& __lhs, ^ /usr/include/c++/5/bits/regex.h:1346:5: note: template argument deduction/substitution failed: mex.cpp:381:16: note: mismatched types ‘const std::__cxx11::sub_match<_BiIter>’ and ‘int’ while (f < u.fr) { ^ In file included from /usr/include/c++/5/regex:61:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:108, from mex.cpp:1: /usr/include/c++/5/bits/regex.h:1269:5: note: candidate: template<class _Bi_iter> bool std::__cxx11::operator<(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*) operator<(const sub_match<_Bi_iter>& __lhs, ^ /usr/include/c++/5/bits/regex.h:1269:5: note: template argument deduction/substitution failed: mex.cpp:381:16: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::__cxx11::sub_match<_BiIter>’ while (f < u.fr) { ^ In file included from /usr/include/c++/5/regex:61:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:108, from mex.cpp:1: /usr/include/c++/5/bits/regex.h:1195:5: note: candidate: template<class _Bi_iter> bool std::__cxx11::operator<(const typename std::iterator_traits<_Iter>::value_type*, const std::__cxx11::sub_match<_BiIter>&) operator<(typename iterator_traits<_Bi_iter>::value_type const* __lhs, ^ /usr/include/c++/5/bits/regex.h:1195:5: note: template argument deduction/substitution failed: mex.cpp:381:16: note: mismatched types ‘const std::__cxx11::sub_match<_BiIter>’ and ‘int’ while (f < u.fr) { ^ In file included from /usr/include/c++/5/regex:61:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:108, from mex.cpp:1: /usr/include/c++/5/bits/regex.h:1118:5: note: candidate: template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator<(const std::__cxx11::sub_match<_BiIter>&, std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&) operator<(const sub_match<_Bi_iter>& __lhs, ^ /usr/include/c++/5/bits/regex.h:1118:5: note: template argument deduction/substitution failed: mex.cpp:381:16: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::__cxx11::sub_match<_BiIter>’ while (f < u.fr) { ^ In file included from /usr/include/c++/5/regex:61:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:108, from mex.cpp:1: /usr/include/c++/5/bits/regex.h:1038:5: note: candidate: template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator<(std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&, const std::__cxx11::sub_match<_BiIter>&) operator<(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs, ^ /usr/include/c++/5/bits/regex.h:1038:5: note: template argument deduction/substitution failed: mex.cpp:381:16: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>’ while (f < u.fr) { ^ In file included from /usr/include/c++/5/regex:61:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:108, from mex.cpp:1: /usr/include/c++/5/bits/regex.h:959:5: note: candidate: template<class _BiIter> bool std::__cxx11::operator<(const std::__cxx11::sub_match<_BiIter>&, const std::__cxx11::sub_match<_BiIter>&) operator<(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs) ^ /usr/include/c++/5/bits/regex.h:959:5: note: template argument deduction/substitution failed: mex.cpp:381:16: note: ‘std::vector<int>::iterator {aka __gnu_cxx::__normal_iterator<int*, std::vector<int> >}’ is not derived from ‘const std::__cxx11::sub_match<_BiIter>’ while (f < u.fr) { ^ In file included from /usr/include/c++/5/bits/stl_algobase.h:67:0, from /usr/include/c++/5/bits/char_traits.h:39, from /usr/include/c++/5/ios:40, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from mex.cpp:1: /usr/include/c++/5/bits/stl_iterator.h:856:5: note: candidate: template<class _Iterator, class _Container> bool __gnu_cxx::operator<(const __gnu_cxx::__normal_iterator<_Iterator, _Container>&, const __gnu_cxx::__normal_iterator<_Iterator, _Container>&) operator<(const __normal_iterator<_Iterator, _Container>& __lhs, ^ /usr/include/c++/5/bits/stl_iterator.h:856:5: note: template argument deduction/substitution failed: mex.cpp:381:16: note: mismatched types ‘const __gnu_cxx::__normal_iterator<_Iterator, _Container>’ and ‘int’ while (f < u.fr) { ^ In file included from /usr/include/c++/5/bits/stl_algobase.h:67:0, from /usr/include/c++/5/bits/char_traits.h:39, from /usr/include/c++/5/ios:40, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from mex.cpp:1: /usr/include/c++/5/bits/stl_iterator.h:849:5: note: candidate: template<class _IteratorL, class _IteratorR, class _Container> bool __gnu_cxx::operator<(const __gnu_cxx::__normal_iterator<_IteratorL, _Container>&, const __gnu_cxx::__normal_iterator<_IteratorR, _Container>&) operator<(const __normal_iterator<_IteratorL, _Container>& __lhs, ^ /usr/include/c++/5/bits/stl_iterator.h:849:5: note: template argument deduction/substitution failed: mex.cpp:381:16: note: mismatched types ‘const __gnu_cxx::__normal_iterator<_IteratorR, _Container>’ and ‘int’ while (f < u.fr) { ^ mex.cpp:382:11: error: no match for call to ‘(main()::<lambda(int)>) (__gnu_cxx::__normal_iterator<int*, std::vector<int> >)’ rem(f++); ^ mex.cpp:357:27: note: candidate: main()::<lambda(int)> auto rem = [&](int i) -> void { ^ mex.cpp:357:27: note: no known conversion for argument 1 from ‘__gnu_cxx::__normal_iterator<int*, std::vector<int> >’ to ‘int’

nr.resulttimemessage