Submission #1302105

#TimeUsernameProblemLanguageResultExecution timeMemory
1302105mikolaj00Robot (JOI21_ho_t4)C++20
Compilation error
0 ms0 KiB
#include <bits/stdc++.h> using namespace std; using ll = long long; struct Edge { int v, c; ll p; }; struct Node { int v, from, c; ll p; friend bool operator==(Node const& n1, Node const& n2) { return make_tuple(n1.v, n1.from, n1.c, n1.p) == make_tuple(n2.v, n2.from, n2.c, n2.p); } }; struct NodeHash { size_t operator()(Node const& n) const { return hash(make_tuple(n.v, n.from, n.c, n.p)); } }; vector<vector<Edge>> g; vector<unordered_map<int, int>> cnt; vector<unordered_map<int, ll>> cost; ll dijkstra() { priority_queue<pair<ll, Node>, vector<pair<ll, Node>>, greater<pair<ll, Node>>> pq; pq.push({0LL, {1, 0, 0, 0LL}}); unordered_map<Node, ll, NodeHash> dist; dist[{1, 0, 0, 0LL}] = 0LL; unordered_set<Node, NodeHash> processed; while (!pq.empty()) { auto[d, u] = pq.top(); pq.pop(); if (u.v == g.size()-1) return d; if (processed.count(u)) continue; processed.insert(u); for (auto e : g[u.v]) { if (e.v == u.from) continue; ll w = e.p; Node v = {e.v, u.v, e.c, e.p}; if (!dist.count(v) || dist[u] + w < dist[v]) { pq.push({dist[u] + w, v}); dist[v] = dist[u] + w; } } for (auto e : g[u.v]) { if (e.v == u.from) continue; ll w = cost[u.v][e.c] - e.p; if (u.c == e.c) w -= u.p; Node v = {e.v, u.v, 0, 0LL}; if (!dist.count(v) || dist[u] + w < dist[v]) { pq.push({dist[u] + w, v}); dist[v] = dist[u] + w; } } } return -1LL; } int main() { ios_base::sync_with_stdio(false); cin.tie(nullptr); int n, m; cin >> n >> m; g = vector<vector<Edge>>(n+1); cnt = vector<unordered_map<int, int>>(n+1); cost = vector<unordered_map<int, ll>>(n+1); for (int i = 0; i < m; i++) { int a, b, c; ll p; cin >> a >> b >> c >> p; g[a].push_back({b, c, p}); g[b].push_back({a, c, p}); cnt[a][c]++; cnt[b][c]++; cost[a][c] += p; cost[b][c] += p; } ll ans = dijkstra(); cout << ans; }

Compilation message (stderr)

Main.cpp: In member function 'size_t NodeHash::operator()(const Node&) const':
Main.cpp:26:54: error: class template argument deduction failed:
   26 |         return hash(make_tuple(n.v, n.from, n.c, n.p));
      |                                                      ^
Main.cpp:26:54: error: no matching function for call to 'hash(std::tuple<int, int, int, long long int>)'
In file included from /usr/include/c++/13/string_view:42,
                 from /usr/include/c++/13/bits/basic_string.h:47,
                 from /usr/include/c++/13/string:54,
                 from /usr/include/c++/13/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:52,
                 from Main.cpp:1:
/usr/include/c++/13/bits/functional_hash.h:59:12: note: candidate: 'template<class _Tp> hash()-> std::hash<_Tp>'
   59 |     struct hash;
      |            ^~~~
/usr/include/c++/13/bits/functional_hash.h:59:12: note:   template argument deduction/substitution failed:
Main.cpp:26:54: note:   candidate expects 0 arguments, 1 provided
   26 |         return hash(make_tuple(n.v, n.from, n.c, n.p));
      |                                                      ^
/usr/include/c++/13/bits/functional_hash.h:59:12: note: candidate: 'template<class _Tp> hash(std::hash<_Tp>)-> std::hash<_Tp>'
   59 |     struct hash;
      |            ^~~~
/usr/include/c++/13/bits/functional_hash.h:59:12: note:   template argument deduction/substitution failed:
Main.cpp:26:54: note:   'std::tuple<int, int, int, long long int>' is not derived from 'std::hash<_Tp>'
   26 |         return hash(make_tuple(n.v, n.from, n.c, n.p));
      |                                                      ^
In file included from /usr/include/c++/13/string:49:
/usr/include/c++/13/bits/stl_function.h: In instantiation of 'constexpr bool std::greater<_Tp>::operator()(const _Tp&, const _Tp&) const [with _Tp = std::pair<long long int, Node>]':
/usr/include/c++/13/bits/predefined_ops.h:196:23:   required from 'constexpr bool __gnu_cxx::__ops::_Iter_comp_val<_Compare>::operator()(_Iterator, _Value&) [with _Iterator = __gnu_cxx::__normal_iterator<std::pair<long long int, Node>*, std::vector<std::pair<long long int, Node> > >; _Value = std::pair<long long int, Node>; _Compare = std::greater<std::pair<long long int, Node> >]'
/usr/include/c++/13/bits/stl_heap.h:140:48:   required from 'constexpr void std::__push_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare&) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<pair<long long int, Node>*, vector<pair<long long int, Node> > >; _Distance = long int; _Tp = pair<long long int, Node>; _Compare = __gnu_cxx::__ops::_Iter_comp_val<greater<pair<long long int, Node> > >]'
/usr/include/c++/13/bits/stl_heap.h:216:23:   required from 'constexpr void std::push_heap(_RAIter, _RAIter, _Compare) [with _RAIter = __gnu_cxx::__normal_iterator<pair<long long int, Node>*, vector<pair<long long int, Node> > >; _Compare = greater<pair<long long int, Node> >]'
/usr/include/c++/13/bits/stl_queue.h:749:16:   required from 'void std::priority_queue<_Tp, _Sequence, _Compare>::push(value_type&&) [with _Tp = std::pair<long long int, Node>; _Sequence = std::vector<std::pair<long long int, Node> >; _Compare = std::greater<std::pair<long long int, Node> >; value_type = std::pair<long long int, Node>]'
Main.cpp:37:12:   required from here
/usr/include/c++/13/bits/stl_function.h:398:20: error: no match for 'operator>' (operand types are 'const std::pair<long long int, Node>' and 'const std::pair<long long int, Node>')
  398 |       { return __x > __y; }
      |                ~~~~^~~~~
In file included from /usr/include/c++/13/bits/stl_algobase.h:67,
                 from /usr/include/c++/13/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:51:
/usr/include/c++/13/bits/stl_iterator.h:583:5: note: candidate: 'template<class _IteratorL, class _IteratorR>  requires  three_way_comparable_with<_IteratorR, _IteratorL, std::partial_ordering> constexpr std::compare_three_way_result_t<_IteratorL, _IteratorR> std::operator<=>(const reverse_iterator<_IteratorL>&, const reverse_iterator<_IteratorR>&)' (reversed)
  583 |     operator<=>(const reverse_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/13/bits/stl_iterator.h:583:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/stl_function.h:398:20: note:   'const std::pair<long long int, Node>' is not derived from 'const std::reverse_iterator<_IteratorL>'
  398 |       { return __x > __y; }
      |                ~~~~^~~~~
/usr/include/c++/13/bits/stl_iterator.h:1690:5: note: candidate: 'template<class _IteratorL, class _IteratorR>  requires  three_way_comparable_with<_IteratorR, _IteratorL, std::partial_ordering> constexpr std::compare_three_way_result_t<_IteratorL, _IteratorR> std::operator<=>(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&)' (reversed)
 1690 |     operator<=>(const move_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/13/bits/stl_iterator.h:1690:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/stl_function.h:398:20: note:   'const std::pair<long long int, Node>' is not derived from 'const std::move_iterator<_IteratorL>'
  398 |       { return __x > __y; }
      |                ~~~~^~~~~
In file included from /usr/include/c++/13/regex:68,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:181:
/usr/include/c++/13/bits/regex.h:1288:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Alloc> auto std::__cxx11::operator<=>(const sub_match<_BiIter>&, __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&)' (reversed)
 1288 |     operator<=>(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/13/bits/regex.h:1288:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/stl_function.h:398:20: note:   'const std::pair<long long int, Node>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
  398 |       { return __x > __y; }
      |                ~~~~^~~~~
/usr/include/c++/13/bits/regex.h:1456:5: note: candidate: 'template<class _Bi_iter> auto std::__cxx11::operator<=>(const sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)' (reversed)
 1456 |     operator<=>(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/13/bits/regex.h:1456:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/stl_function.h:398:20: note:   'const std::pair<long long int, Node>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
  398 |       { return __x > __y; }
      |                ~~~~^~~~~
/usr/include/c++/13/bits/regex.h:1629:5: note: candidate: 'template<class _Bi_iter> auto std::__cxx11::operator<=>(const sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)' (reversed)
 1629 |     operator<=>(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/13/bits/regex.h:1629:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/stl_function.h:398:20: note:   'const std::pair<long long int, Node>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
  398 |       { return __x > __y; }
      |                ~~~~^~~~~
In file included from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:79:
/usr/include/c++/13/optional:1439:5: note: candidate: 'template<class _Tp, class _Up>  requires !(__is_optional_v<_Up>) && (three_way_comparable_with<_Up, _Tp, std::partial_ordering>) constexpr std::compare_three_way_result_t<_IteratorL, _IteratorR> std::operator<=>(const optional<_Tp>&, const _Up&)' (reversed)
 1439 |     operator<=>(const optional<_Tp>& __x, const _Up& __v)
      |     ^~~~~~~~
/usr/include/c++/13/optional:1439:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/stl_function.h:398:20: note:   'const std::pair<long long int, Node>' is not derived from 'const std::optional<_Tp>'
  398 |       { return __x > __y; }
      |                ~~~~^~~~~
/usr/include/c++/13/optional:1302:5: note: candidate: 'template<class _Tp> constexpr std::strong_ordering std::operator<=>(const optional<_Tp>&, nullopt_t)' (reversed)
 1302 |     operator<=>(const optional<_Tp>& __x, nullopt_t) noexcept
      |     ^~~~~~~~
/usr/include/c++/13/optional:1302:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/stl_function.h:398:20: note:   'const std::pair<long long int, Node>' is not derived from 'const std::optional<_Tp>'
  398 |       { return __x > __y; }
      |                ~~~~^~~~~
/usr/include/c++/13/optional:1287:5: note: candidate: 'template<class _Tp, class _Up>  requires  three_way_comparable_with<_Up, _Tp, std::partial_ordering> constexpr std::compare_three_way_result_t<_IteratorL, _IteratorR> std::operator<=>(const optional<_Tp>&, const optional<_Up>&)' (reversed)
 1287 |     operator<=>(const optional<_Tp>& __x, const optional<_Up>& __y)
      |     ^~~~~~~~
/usr/include/c++/13/optional:1287:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/stl_function.h:398:20: note:   'const std::pair<long long int, Node>' is not derived from 'const std::optional<_Tp>'
  398 |       { return __x > __y; }
      |                ~~~~^~~~~
In file included from /usr/include/c++/13/memory:80,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:56:
/usr/include/c++/13/bits/shared_ptr.h:573:5: note: candidate: 'template<class _Tp> std::strong_ordering std::operator<=>(const shared_ptr<_Tp>&, nullptr_t)' (reversed)
  573 |     operator<=>(const shared_ptr<_Tp>& __a, nullptr_t) noexcept
      |     ^~~~~~~~
/usr/include/c++/13/bits/shared_ptr.h:573:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/stl_function.h:398:20: note:   'const std::pair<long long int, Node>' is not derived from 'const std::shared_ptr<_Tp>'
  398 |       { return __x > __y; }
      |                ~~~~^~~~~
/usr/include/c++/13/bits/shared_ptr.h:567:5: note: candidate: 'template<class _Tp, class _Up> std::strong_ordering std::operator<=>(const shared_ptr<_Tp>&, const shared_ptr<_Tp>&)' (reversed)
  567 |     operator<=>(const shared_ptr<_Tp>& __a,
      |     ^~~~~~~~
/usr/include/c++/13/bits/shared_ptr.h:567:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/stl_function.h:398:20: note:   'const std::pair<long long int, Node>' is not derived from 'const std::shared_ptr<_Tp>'
  398 |       { return __x > __y; }
      |                ~~~~^~~~~
In file included from /usr/include/c++/13/bits/shared_ptr.h:53:
/usr/include/c++/13/bits/shared_ptr_base.h:1811:5: note: candidate: 'template<class _Tp, __gnu_cxx::_Lock_policy _Lp> std::strong_ordering std::operator<=>(const __shared_ptr<_Tp, _Lp>&, nullptr_t)' (reversed)
 1811 |     operator<=>(const __shared_ptr<_Tp, _Lp>& __a, nullptr_t) noexcept
      |     ^~~~~~~~
/usr/include/c++/13/bits/shared_ptr_base.h:1811:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/stl_function.h:398:20: note:   'const std::pair<long long int, Node>' is not derived from 'const std::__shared_ptr<_Tp, _Lp>'
  398 |       { return __x > __y; }
      |                ~~~~^~~~~
/usr/include/c++/13/bits/shared_ptr_base.h:1805:5: note: candidate: 'template<class _Tp, class _Up, __gnu_cxx::_Lock_policy _Lp> std::strong_ordering std::operator<=>(const __shared_ptr<_Tp1, _Lp>&, const __shared_ptr<_Tp2, _Lp>&)' (reversed)
 1805 |     operator<=>(const __shared_ptr<_Tp, _Lp>& __a,
      |     ^~~~~~~~
/usr/include/c++/13/bits/shared_ptr_base.h:1805:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/stl_function.h:398:20: note:   'const std::pair<long long int, Node>' is not derived from 'const std::__shared_ptr<_Tp1, _Lp>'
  398 |       { return __x > __y; }
      |                ~~~~^~~~~
In file included from /usr/include/c++/13/memory:78:
/usr/include/c++/13/bits/unique_ptr.h:997:5: note: candidate: 'template<class _Tp, class _Dp>  requires  three_way_comparable<typename std::unique_ptr<_Tp, _Dp>::pointer, std::partial_ordering> std::compare_three_way_result_t<typename std::unique_ptr<_Tp, _Dp>::pointer> std::operator<=>(const unique_ptr<_Tp, _Dp>&, nullptr_t)' (reversed)
  997 |     operator<=>(const unique_ptr<_Tp, _Dp>& __x, nullptr_t)
      |     ^~~~~~~~
/usr/include/c++/13/bits/unique_ptr.h:997:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/stl_function.h:398:20: note:   'const std::pair<long long int, Node>' is not derived from 'const std::unique_ptr<_Tp, _Dp>'
  398 |       { return __x > __y; }
      |                ~~~~^~~~~
/usr/include/c++/13/bits/unique_ptr.h:988:5: note: candidate: 'template<class _Tp, class _Dp, class _Up, class _Ep>  requires  three_way_comparable_with<typename std::unique_ptr<_Tp, _Dp>::pointer, typename std::unique_ptr<_Up, _Ep>::pointer, std::partial_ordering> std::compare_three_way_result_t<typename std::unique_ptr<_Tp, _Dp>::pointer, typename std::unique_ptr<_Up, _Ep>::pointer> std::operator<=>(const unique_ptr<_Tp, _Dp>&, const unique_ptr<_Up, _Ep>&)' (reversed)
  988 |     operator<=>(const unique_ptr<_Tp, _Dp>& __x,
      |     ^~~~~~~~
/usr/include/c++/13/bits/unique_ptr.h:988:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/stl_function.h:398:20: note:   'const std::pair<long long int, Node>' is not derived from 'const std::unique_ptr<_Tp, _Dp>'
  398 |       { return __x > __y; }
      |                ~~~~^~~~~
In file included from /usr/include/c++/13/bits/uses_allocator_args.h:38,
                 from /usr/include/c++/13/bits/memory_resource.h:41,
                 from /usr/include/c++/13/string:58:
/usr/include/c++/13/tuple:1952:5: note: candidate: 'template<class ... _Tps, class ... _Ups> constexpr std::common_comparison_category_t<decltype (std::__detail::__synth3way(declval<_Tps&>(), declval<_Ups&>()))...> std::operator<=>(const tuple<_UTypes ...>&, const tuple<_UTypes ...>&)' (reversed)
 1952 |     operator<=>(const tuple<_Tps...>& __t, const tuple<_Ups...>& __u)
      |     ^~~~~~~~
/usr/include/c++/13/tuple:1952:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/stl_function.h:398:20: note:   'const std::pair<long long int, Node>' is not derived from 'const std::tuple<_UTypes ...>'
  398 |       { return __x > __y; }
      |                ~~~~^~~~~
/usr/include/c++/13/bits/basic_string.h:3760:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> constexpr decltype (__char_traits_cmp_cat<_Traits>(0)) std::operator<=>(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const _CharT*)' (reversed)
 3760 |     operator<=>(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/13/bits/basic_string.h:3760:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/stl_function.h:398:20: note:   'const std::pair<long long int, Node>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
  398 |       { return __x > __y; }
      |                ~~~~^~~~~
/usr/include/c++/13/string_view:633:5: note: candidate: 'template<class _CharT, class _Traits> constexpr decltype (__char_traits_cmp_cat<_Traits>(0)) std::operator<=>(basic_string_view<_CharT, _Traits>, __type_identity_t<basic_string_view<_CharT, _Traits> >)' (reversed)
  633 |     operator<=>(basic_string_view<_CharT, _Traits> __x,
      |     ^~~~~~~~
/usr/include/c++/13/string_view:633:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/stl_function.h:398:20: note:   'std::pair<long long int, Node>' is not derived from 'std::basic_string_view<_CharT, _Traits>'
  398 |       { return __x > __y; }
      |                ~~~~^~~~~
In file included from /usr/include/c++/13/bits/stl_algobase.h:64:
/usr/include/c++/13/bits/stl_pair.h:819:5: note: candidate: 'template<class _T1, class _T2> constexpr std::common_comparison_category_t<decltype (std::__detail::__synth3way(declval<_T1&>(), declval<_T1&>())), decltype (std::__detail::__synth3way(declval<_T2&>(), declval<_T2&>()))> std::operator<=>(const pair<_T1, _T2>&, const pair<_T1, _T2>&)' (rewritten)
  819 |     operator<=>(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
      |     ^~~~~~~~
/usr/include/c++/13/bits/stl_pair.h:819:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/13/bits/stl_pair.h:65:
/usr/include/c++/13/compare: In substitution of 'template<class _T1, class _T2> constexpr std::common_comparison_category_t<decltype (std::__detail::__synth3way(declval<_T1&>(), declval<_T1&>())), decltype (std::__detail::__synth3way(declval<_T2&>(), declval<_T2&>()))> std::operator<=>(const pair<_T1, _T2>&, const pair<_T1, _T2>&) [with _T1 = long long int; _T2 = Node]':
/usr/include/c++/13/bits/stl_function.h:398:20:   required from 'constexpr bool std::greater<_Tp>::operator()(const _Tp&, const _Tp&) const [with _Tp = std::pair<long long int, Node>]'
/usr/include/c++/13/bits/predefined_ops.h:196:23:   required from 'constexpr bool __gnu_cxx::__ops::_Iter_comp_val<_Compare>::operator()(_Iterator, _Value&) [with _Iterator = __gnu_cxx::__normal_iterator<std::pair<long long int, Node>*, std::vector<std::pair<long long int, Node> > >; _Value = std::pair<long long int, Node>; _Compare = std::greater<std::pair<long long int, Node> >]'
/usr/include/c++/13/bits/stl_heap.h:140:48:   required from 'constexpr void std::__push_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare&) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<pair<long long int, Node>*, vector<pair<long long int, Node> > >; _Distance = long int; _Tp = pair<long long int, Node>; _Compare = __gnu_cxx::__ops::_Iter_comp_val<greater<pair<long long int, Node> > >]'
/usr/include/c++/13/bits/stl_heap.h:216:23:   required from 'constexpr void std::push_heap(_RAIter, _RAIter, _Compare) [with _RAIter = __gnu_cxx::__normal_iterator<pair<long long int, Node>*, vector<pair<long long int, Node> > >; _Compare = greater<pair<long long int, Node> >]'
/usr/include/c++/13/bits/stl_queue.h:749:16:   required from 'void std::priority_queue<_Tp, _Sequence, _Compare>::push(value_type&&) [with _Tp = std::pair<long long int, Node>; _Sequence = std::vector<std::pair<long long int, Node> >; _Compare = std::greater<std::pair<long long int, Node> >; value_type = std::pair<long long int, Node>]'
Main.cpp:37:12:   required from here
/usr/include/c++/13/compare:1239:41: error: no match for call to '(const std::__detail::_Synth3way) (Node&, Node&)'
 1239 |         = decltype(__detail::__synth3way(std::declval<_Tp&>(),
      |                    ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
 1240 |                                          std::declval<_Up&>()));
      |                                          ~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/13/compare:1214:9: note: candidate: 'template<class _Tp, class _Up> constexpr auto std::__detail::_Synth3way::operator()(const _Tp&, const _Up&) const requires requires{{std::__detail::_Synth3way::operator()::__t < std::__detail::_Synth3way::operator()::__u} -> decltype(auto) [requires std::__detail::__boolean_testable<<placeholder>, >];{std::__detail::_Synth3way::operator()::__u < std::__detail::_Synth3way::operator()::__t} -> decltype(auto) [requires std::__detail::__boolean_testable<<placeholder>, >];}'
 1214 |         operator()(const _Tp& __t, const _Up& __u) const
      |         ^~~~~~~~
/usr/include/c++/13/compare:1214:9: note:   template argument deduction/substitution failed:
/usr/include/c++/13/compare:1214:9: note: constraints not satisfied
/usr/include/c++/13/compare: In substitution of 'template<class _Tp, class _Up> constexpr auto std::__detail::_Synth3way::operator()(const _Tp&, const _Up&) const requires requires{{__t < __u} -> decltype(auto) [requires std::__detail::__boolean_testable<<placeholder>, >];{__u < __t} -> decltype(auto) [requires std::__detail::__boolean_testable<<placeholder>, >];} [with _Tp = Node; _Up = Node]':
/usr/include/c++/13/compare:1239:34:   required by substitution of 'template<class _T1, class _T2> constexpr std::common_comparison_category_t<decltype (std::__detail::__synth3way(declval<_T1&>(), declval<_T1&>())), decltype (std::__detail::__synth3way(declval<_T2&>(), declval<_T2&>()))> std::operator<=>(const pair<_T1, _T2>&, const pair<_T1, _T2>&) [with _T1 = long long int; _T2 = Node]'
/usr/include/c++/13/bits/stl_function.h:398:20:   required from 'constexpr bool std::greater<_Tp>::operator()(const _Tp&, const _Tp&) const [with _Tp = std::pair<long long int, Node>]'
/usr/include/c++/13/bits/predefined_ops.h:196:23:   required from 'constexpr bool __gnu_cxx::__ops::_Iter_comp_val<_Compare>::operator()(_Iterator, _Value&) [with _Iterator = __gnu_cxx::__normal_iterator<std::pair<long long int, Node>*, std::vector<std::pair<long long int, Node> > >; _Value = std::pair<long long int, Node>; _Compare = std::greater<std::pair<long long int, Node> >]'
/usr/include/c++/13/bits/stl_heap.h:140:48:   required from 'constexpr void std::__push_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare&) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<pair<long long int, Node>*, vector<pair<long long int, Node> > >; _Distance = long int; _Tp = pair<long long int, Node>; _Compare = __gnu_cxx::__ops::_Iter_comp_val<greater<pair<long long int, Node> > >]'
/usr/include/c++/13/bits/stl_heap.h:216:23:   required from 'constexpr void std::push_heap(_RAIter, _RAIter, _Compare) [with _RAIter = __gnu_cxx::__normal_iterator<pair<long long int, Node>*, vector<pair<long long int, Node> > >; _Compare = greater<pair<long long int, Node> >]'
/usr/include/c++/13/bits/stl_queue.h:749:16:   required from 'void std::priority_queue<_Tp, _Sequence, _Compare>::push(value_type&&) [with _Tp = std::pair<long long int, Node>; _Sequence = std::vector<std::pair<long long int, Node> >; _Compare = std::greater<std::pair<long long int, Node> >; value_type = std::pair<long long int, Node>]'
Main.cpp:37:12:   required from here
/usr/include/c++/13/compare:1214:2:   required by the constraints of 'template<class _Tp, class _Up> constexpr auto std::__detail::_Synth3way::operator()(const _Tp&, const _Up&) const requires requires{{__t < __u} -> decltype(auto) [requires std::__detail::__boolean_testable<<placeholder>, >];{__u < __t} -> decltype(auto) [requires std::__detail::__boolean_testable<<placeholder>, >];}'
/usr/include/c++/13/compare:1216:11:   in requirements  [with _Tp = Node; _Up = Node]
/usr/include/c++/13/compare:1218:17: note: the required expression '(__t < __u)' is invalid
 1218 |           { __t < __u } -> __boolean_testable;
      |             ~~~~^~~~~
/usr/include/c++/13/compare:1219:17: note: the required expression '(__u < __t)' is invalid
 1219 |           { __u < __t } -> __boolean_testable;
      |             ~~~~^~~~~
/usr/include/c++/13/compare: In substitution of 'template<class _T1, class _T2> constexpr std::common_comparison_category_t<decltype (std::__detail::__synth3way(declval<_T1&>(), declval<_T1&>())), decltype (std::__detail::__synth3way(declval<_T2&>(), declval<_T2&>()))> std::operator<=>(const pair<_T1, _T2>&, const pair<_T1, _T2>&) [with _T1 = long long int; _T2 = Node]':
/usr/include/c++/13/bits/stl_function.h:398:20:   required from 'constexpr bool std::greater<_Tp>::operator()(const _Tp&, const _Tp&) const [with _Tp = std::pair<long long int, Node>]'
/usr/include/c++/13/bits/predefined_ops.h:196:23:   required from 'constexpr bool __gnu_cxx::__ops::_Iter_comp_val<_Compare>::operator()(_Iterator, _Value&) [with _Iterator = __gnu_cxx::__normal_iterator<std::pair<long long int, Node>*, std::vector<std::pair<long long int, Node> > >; _Value = std::pair<long long int, Node>; _Compare = std::greater<std::pair<long long int, Node> >]'
/usr/include/c++/13/bits/stl_heap.h:140:48:   required from 'constexpr void std::__push_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare&) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<pair<long long int, Node>*, vector<pair<long long int, Node> > >; _Distance = long int; _Tp = pair<long long int, Node>; _Compare = __gnu_cxx::__ops::_Iter_comp_val<greater<pair<long long int, Node> > >]'
/usr/include/c++/13/bits/stl_heap.h:216:23:   required from 'constexpr void std::push_heap(_RAIter, _RAIter, _Compare) [with _RAIter = __gnu_cxx::__normal_iterator<pair<long long int, Node>*, vector<pair<long long int, Node> > >; _Compare = greater<pair<long long int, Node> >]'
/usr/include/c++/13/bits/stl_queue.h:749:16:   required from 'void std::priority_queue<_Tp, _Sequence, _Compare>::push(value_type&&) [with _Tp = std::pair<long long int, Node>; _Sequence = std::vector<std::pair<long long int, Node> >; _Compare = std::greater<std::pair<long long int, Node> >; value_type = std::pair<long long int, Node>]'
Main.cpp:37:12:   required from here
cc1plus: note: set '-fconcepts-diagnostics-depth=' to at least 2 for more detail
/usr/include/c++/13/bits/stl_function.h: In instantiation of 'constexpr bool std::greater<_Tp>::operator()(const _Tp&, const _Tp&) const [with _Tp = std::pair<long long int, Node>]':
/usr/include/c++/13/bits/predefined_ops.h:196:23:   required from 'constexpr bool __gnu_cxx::__ops::_Iter_comp_val<_Compare>::operator()(_Iterator, _Value&) [with _Iterator = __gnu_cxx::__normal_iterator<std::pair<long long int, Node>*, std::vector<std::pair<long long int, Node> > >; _Value = std::pair<long long int, Node>; _Compare = std::greater<std::pair<long long int, Node> >]'
/usr/include/c++/13/bits/stl_heap.h:140:48:   required from 'constexpr void std::__push_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare&) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<pair<long long int, Node>*, vector<pair<long long int, Node> > >; _Distance = long int; _Tp = pair<long long int, Node>; _Compare = __gnu_cxx::__ops::_Iter_comp_val<greater<pair<long long int, Node> > >]'
/usr/include/c++/13/bits/stl_heap.h:216:23:   required from 'constexpr void std::push_heap(_RAIter, _RAIter, _Compare) [with _RAIter = __gnu_cxx::__normal_iterator<pair<long long int, Node>*, vector<pair<long long int, Node> > >; _Compare = greater<pair<long long int, Node> >]'
/usr/include/c++/13/bits/stl_queue.h:749:16:   required from 'void std::priority_queue<_Tp, _Sequence, _Compare>::push(value_type&&) [with _Tp = std::pair<long long int, Node>; _Sequence = std::vector<std::pair<long long int, Node> >; _Compare = std::greater<std::pair<long long int, Node> >; value_type = std::pair<long long int, Node>]'
Main.cpp:37:12:   required from here
/usr/include/c++/13/bits/stl_iterator.h:601:5: note: candidate: 'template<class _Iterator>  requires  three_way_comparable<_Iterator, std::partial_ordering> constexpr std::compare_three_way_result_t<_Iterator, _Iterator> std::operator<=>(const reverse_iterator<_IteratorL>&, const reverse_iterator<_IteratorL>&)' (rewritten)
  601 |     operator<=>(const reverse_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/13/bits/stl_iterator.h:601:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/stl_function.h:398:20: note:   'const std::pair<long long int, Node>' is not derived from 'const std::reverse_iterator<_IteratorL>'
  398 |       { return __x > __y; }
      |                ~~~~^~~~~
/usr/include/c++/13/bits/stl_iterator.h:1756:5: note: candidate: 'template<class _Iterator>  requires  three_way_comparable<_Iterator, std::partial_ordering> constexpr std::compare_three_way_result_t<_Iterator, _Iterator> std::operator<=>(const move_iterator<_IteratorL>&, const move_iterator<_IteratorL>&)' (rewritten)
 1756 |     operator<=>(const move_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/13/bits/stl_iterator.h:1756:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/stl_function.h:398:20: note:   'const std::pair<long long int, Node>' is not derived from 'const std::move_iterator<_IteratorL>'
  398 |       { return __x > __y; }
      |                ~~~~^~~~~
/usr/include/c++/13/bits/regex.h:1116:5: note: candidate: 'template<class _BiIter> auto std::__cxx11::operator<=>(const sub_match<_BiIter>&, const sub_match<_BiIter>&)' (rewritten)
 1116 |     operator<=>(const sub_match<_BiIter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/13/bits/regex.h:1116:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/stl_function.h:398:20: note:   'const std::pair<long long int, Node>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
  398 |       { return __x > __y; }
      |                ~~~~^~~~~
In file included from /usr/include/c++/13/forward_list:40,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:175:
/usr/include/c++/13/bits/forward_list.h:1473:5: note: candidate: 'template<class _Tp, class _Alloc> std::__detail::__synth3way_t<_T1> std::operator<=>(const forward_list<_Tp, _Alloc>&, const forward_list<_Tp, _Alloc>&)' (rewritten)
 1473 |     operator<=>(const forward_list<_Tp, _Alloc>& __x,
      |     ^~~~~~~~
/usr/include/c++/13/bits/forward_list.h:1473:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/stl_function.h:398:20: note:   'const std::pair<long long int, Node>' is not derived from 'const std::forward_list<_Tp, _Alloc>'
  398 |       { return __x > __y; }
      |                ~~~~^~~~~
In file included from /usr/include/c++/13/stack:63,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:160:
/usr/include/c++/13/bits/stl_stack.h:410:5: note: candidate: 'template<class _Tp, class _Seq>  requires  three_way_comparable<_Seq, std::partial_ordering> std::compare_three_way_result_t<_Seq> std::operator<=>(const stack<_Tp, _Seq>&, const stack<_Tp, _Seq>&)' (rewritten)
  410 |     operator<=>(const stack<_Tp, _Seq>& __x, const stack<_Tp, _Seq>& __y)
      |     ^~~~~~~~
/usr/include/c++/13/bits/stl_stack.h:410:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/stl_function.h:398:20: note:   'const std::pair<long long int, Node>' is not derived from 'const std::stack<_Tp, _Seq>'
  398 |       { return __x > __y; }
      |                ~~~~^~~~~
In file included from /usr/include/c++/13/set:64,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:158:
/usr/include/c++/13/bits/stl_multiset.h:994:5: note: candidate: 'template<class _Key, class _Compare, class _Alloc> std::__detail::__synth3way_t<_T1> std::operator<=>(const multiset<_Key, _Compare, _Allocator>&, const multiset<_Key, _Compare, _Allocator>&)' (rewritten)
  994 |     operator<=>(const multiset<_Key, _Compare, _Alloc>& __x,
      |     ^~~~~~~~
/usr/include/c++/13/bits/stl_multiset.h:994:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/stl_function.h:398:20: note:   'const std::pair<long long int, Node>' is not derived from 'const std::multiset<_Key, _Compare, _Allocator>'
  398 |       { return __x > __y; }
      |                ~~~~^~~~~
In file included from /usr/include/c++/13/set:63:
/usr/include/c++/13/bits/stl_set.h:1008:5: note: candidate: 'template<class _Key, class _Compare, class _Alloc> std::__detail::__synth3way_t<_T1> std::operator<=>(const set<_Key, _Compare, _Allocator>&, const set<_Key, _Compare, _Allocator>&)' (rewritten)
 1008 |     operator<=>(const set<_Key, _Compare, _Alloc>& __x,
      |     ^~~~~~~~
/usr/include/c++/13/bits/stl_set.h:1008:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/stl_function.h:398:20: note:   'const std::pair<long long int, Node>' is not derived from 'const std::set<_Key, _Compare, _Allocator>'
  398 |       { return __x > __y; }
      |                ~~~~^~~~~
In file included from /usr/include/c++/13/queue:66,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:157:
/usr/include/c++/13/bits/stl_queue.h:434:5: note: candidate: 'template<class _Tp, class _Seq>  requires  three_way_comparable<_Seq, std::partial_ordering> std::compare_three_way_result_t<_Seq> std::operator<=>(const queue<_Tp, _Seq>&, const queue<_Tp, _Seq>&)' (rewritten)
  434 |     operator<=>(const queue<_Tp, _Seq>& __x, const queue<_Tp, _Seq>& __y)
      |     ^~~~~~~~
/usr/include/c++/13/bits/stl_queue.h:434:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/stl_function.h:398:20: note:   'const std::pair<long long int, Node>' is not derived from 'const std::queue<_Tp, _Seq>'
  398 |       { return __x > __y; }
      |                ~~~~^~~~~
In file included from /usr/include/c++/13/map:64,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:152:
/usr/include/c++/13/bits/stl_multimap.h:1155:5: note: candidate: 'template<class _Key, class _Tp, class _Compare, class _Alloc> std::__detail::__synth3way_t<std::pair<const _Key, _Val> > std::operator<=>(const multimap<_Key, _Tp, _Compare, _Allocator>&, const multimap<_Key, _Tp, _Compare, _Allocator>&)' (rewritten)
 1155 |     operator<=>(const multimap<_Key, _Tp, _Compare, _Alloc>& __x,
      |     ^~~~~~~~
/usr/include/c++/13/bits/stl_multimap.h:1155:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/stl_function.h:398:20: note:   'const std::pair<long long int, Node>' is not derived from 'const std::multimap<_Key, _Tp, _Compare, _Allocator>'
  398 |       { return __x > __y; }
      |                ~~~~^~~~~
In file included from /usr/include/c++/13/map:63:
/usr/include/c++/13/bits/stl_map.h:1534:5: note: candidate: 'template<class _Key, class _Tp, class _Compare, class _Alloc> std::__detail::__synth3way_t<std::pair<const _Key, _Val> > std::operator<=>(const map<_Key, _Tp, _Compare, _Allocator>&, const map<_Key, _Tp, _Compare, _Allocator>&)' (rewritten)
 1534 |     operator<=>(const map<_Key, _Tp, _Compare, _Alloc>& __x,
      |     ^~~~~~~~
/usr/include/c++/13/bits/stl_map.h:1534:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/stl_function.h:398:20: note:   'const std::pair<long long int, Node>' is not derived from 'const std::map<_Key, _Tp, _Compare, _Allocator>'
  398 |       { return __x > __y; }
      |                ~~~~^~~~~
In file included from /usr/include/c++/13/list:65,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:150:
/usr/include/c++/13/bits/stl_list.h:2159:5: note: candidate: 'template<class _Tp, class _Alloc> std::__detail::__synth3way_t<_T1> std::operator<=>(const __cxx11::list<_Tp, _Alloc>&, const __cxx11::list<_Tp, _Alloc>&)' (rewritten)
 2159 |     operator<=>(const list<_Tp, _Alloc>& __x, const list<_Tp, _Alloc>& __y)
      |     ^~~~~~~~
/usr/include/c++/13/bits/stl_list.h:2159:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/stl_function.h:398:20: note:   'const std::pair<long long int, Node>' is not derived from 'const std::__cxx11::list<_Tp, _Alloc>'
  398 |       { return __x > __y; }
      |                ~~~~^~~~~
In file included from /usr/include/c++/13/deque:66,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:139:
/usr/include/c++/13/bits/stl_deque.h:2309:5: note: candidate: 'template<class _Tp, class _Alloc> std::__detail::__synth3way_t<_T1> std::operator<=>(const deque<_Tp, _Alloc>&, const deque<_Tp, _Alloc>&)' (rewritten)
 2309 |     operator<=>(const deque<_Tp, _Alloc>& __x, const deque<_Tp, _Alloc>& __y)
      |     ^~~~~~~~
/usr/include/c++/13/bits/stl_deque.h:2309:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/stl_function.h:398:20: note:   'const std::pair<long long int, Node>' is not derived from 'const std::deque<_Tp, _Alloc>'
  398 |       { return __x > __y; }
      |                ~~~~^~~~~
In file included from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:80:
/usr/include/c++/13/variant:1280:5: note: candidate: 'template<class ... _Types>  requires (three_way_comparable<_Types, std::partial_ordering> && ...) constexpr std::common_comparison_category_t<typename std::__detail::__cmp3way_res_impl<_Types, _Types>::type ...> std::operator<=>(const variant<_Types ...>&, const variant<_Types ...>&)' (rewritten)
 1280 |     operator<=>(const variant<_Types...>& __v, const variant<_Types...>& __w)
      |     ^~~~~~~~
/usr/include/c++/13/variant:1280:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/stl_function.h:398:20: note:   'const std::pair<long long int, Node>' is not derived from 'const std::variant<_Types ...>'
  398 |       { return __x > __y; }
      |                ~~~~^~~~~
In file included from /usr/include/c++/13/functional:65,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:53:
/usr/include/c++/13/array:304:5: note: candidate: 'template<class _Tp, long unsigned int _Nm> constexpr std::__detail::__synth3way_t<_T1> std::operator<=>(const array<_Tp, _Nm>&, const array<_Tp, _Nm>&)' (rewritten)
  304 |     operator<=>(const array<_Tp, _Nm>& __a, const array<_Tp, _Nm>& __b)
      |     ^~~~~~~~
/usr/include/c++/13/array:304:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/stl_function.h:398:20: note:   'const std::pair<long long int, Node>' is not derived from 'const std::array<_Tp, _Nm>'
  398 |       { return __x > __y; }
      |                ~~~~^~~~~
In file included from /usr/include/c++/13/vector:66,
                 from /usr/include/c++/13/functional:64:
/usr/include/c++/13/bits/stl_vector.h:2059:5: note: candidate: 'template<class _Tp, class _Alloc> constexpr std::__detail::__synth3way_t<_T1> std::operator<=>(const vector<_Tp, _Alloc>&, const vector<_Tp, _Alloc>&)' (rewritten)
 2059 |     operator<=>(const vector<_Tp, _Alloc>& __x, const vector<_Tp, _Alloc>& __y)
      |     ^~~~~~~~
/usr/include/c++/13/bits/stl_vector.h:2059:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/stl_function.h:398:20: note:   'const std::pair<long long int, Node>' is not derived from 'const std::vector<_Tp, _Alloc>'
  398 |       { return __x > __y; }
      |                ~~~~^~~~~
/usr/include/c++/13/bits/basic_string.h:3745:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> constexpr decltype (__char_traits_cmp_cat<_Traits>(0)) std::operator<=>(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)' (rewritten)
 3745 |     operator<=>(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/13/bits/basic_string.h:3745:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/stl_function.h:398:20: note:   'const std::pair<long long int, Node>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
  398 |       { return __x > __y; }
      |                ~~~~^~~~~
/usr/include/c++/13/string_view:625:5: note: candidate: 'template<class _CharT, class _Traits> constexpr decltype (__char_traits_cmp_cat<_Traits>(0)) std::operator<=>(basic_string_view<_CharT, _Traits>, basic_string_view<_CharT, _Traits>)' (rewritten)
  625 |     operator<=>(basic_string_view<_CharT, _Traits> __x,
      |     ^~~~~~~~
/usr/include/c++/13/string_view:625:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/stl_function.h:398:20: note:   'std::pair<long long int, Node>' is not derived from 'std::basic_string_view<_CharT, _Traits>'
  398 |       { return __x > __y; }
      |                ~~~~^~~~~
In file included from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:184:
/usr/include/c++/13/thread:67:3: note: candidate: 'std::strong_ordering std::operator<=>(thread::id, thread::id)' (rewritten)
   67 |   operator<=>(thread::id __x, thread::id __y) noexcept
      |   ^~~~~~~~
/usr/include/c++/13/thread:67:26: note:   no known conversion for argument 1 from 'const std::pair<long long int, Node>' to 'std::thread::id'
   67 |   operator<=>(thread::id __x, thread::id __y) noexcept
      |               ~~~~~~~~~~~^~~
/usr/include/c++/13/variant:1303:3: note: candidate: 'constexpr std::strong_ordering std::operator<=>(monostate, monostate)' (rewritten)
 1303 |   operator<=>(monostate, monostate) noexcept { return strong_ordering::equal; }
      |   ^~~~~~~~
/usr/include/c++/13/variant:1303:15: note:   no known conversion for argument 1 from 'const std::pair<long long int, Node>' to 'std::monostate'
 1303 |   operator<=>(monostate, monostate) noexcept { return strong_ordering::equal; }
      |               ^~~~~~~~~
In file included from /usr/include/c++/13/bits/ios_base.h:46,
                 from /usr/include/c++/13/streambuf:43,
                 from /usr/include/c++/13/bits/streambuf_iterator.h:35,
                 from /usr/include/c++/13/iterator:66,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:54:
/usr/include/c++/13/system_error:498:3: note: candidate: 'std::strong_ordering std::operator<=>(const error_condition&, const error_condition&)' (rewritten)
  498 |   operator<=>(const error_condition& __lhs,
      |   ^~~~~~~~
/usr/include/c++/13/system_error:498:38: note:   no known conversion for argument 1 from 'const std::pair<long long int, Node>' to 'const std::error_condition&'
  498 |   operator<=>(const error_condition& __lhs,
      |               ~~~~~~~~~~~~~~~~~~~~~~~^~~~~
/usr/include/c++/13/system_error:316:3: note: candidate: 'std::strong_ordering std::operator<=>(const error_code&, const error_code&)' (rewritten)
  316 |   operator<=>(const error_code& __lhs, const error_code& __rhs) noexcept
      |   ^~~~~~~~
/usr/include/c++/13/system_error:316:33: note:   no known conversion for argument 1 from 'const std::pair<long long int, Node>' to 'const std::error_code&'
  316 |   operator<=>(const error_code& __lhs, const error_code& __rhs) noexcept
      |               ~~~~~~~~~~~~~~~~~~^~~~~
/usr/include/c++/13/bits/stl_iterator.h:558:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator>(const reverse_iterator<_IteratorL>&, const reverse_iterator<_IteratorR>&) requires requires{{std::operator>::__x->base() < std::operator>::__y->base()} -> decltype(auto) [requires std::convertible_to<<placeholder>, bool>];}'
  558 |     operator>(const reverse_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/13/bits/stl_iterator.h:558:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/stl_function.h:398:20: note:   'const std::pair<long long int, Node>' is not derived from 'const std::reverse_iterator<_IteratorL>'
  398 |       { return __x > __y; }
      |                ~~~~^~~~~
/usr/include/c++/13/bits/stl_iterator.h:1725:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator>(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&) requires requires{{std::operator>::__y->base() < std::operator>::__x->base()} -> decltype(auto) [requires std::convertible_to<<placeholder>, bool>];}'
 1725 |     operator>(const move_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/13/bits/stl_iterator.h:1725:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/stl_function.h:398:20: note:   'const std::pair<long long int, Node>' is not derived from 'const std::move_iterator<_IteratorL>'
  398 |       { return __x > __y; }
      |                ~~~~^~~~~
In file included from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:166:
/usr/include/c++/13/valarray:1211:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__greater, std::_Constant, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__greater, _Tp>::result_type> std::operator>(const typename valarray<_Tp>::value_type&, const valarray<_Tp>&)'
 1211 | _DEFINE_BINARY_OPERATOR(>, __greater)
      | ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/13/valarray:1211:1: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/stl_function.h:398:20: note:   'const std::pair<long long int, Node>' is not derived from 'const std::valarray<_Tp>'
  398 |       { return __x > __y; }
      |                ~~~~^~~~~
/usr/include/c++/13/valarray:1211:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__greater, std::_ValArray, std::_Constant, _Tp, _Tp>, typename std::__fun<std::__greater, _Tp>::result_type> std::operator>(const valarray<_Tp>&, const typename valarray<_Tp>::value_type&)'
 1211 | _DEFINE_BINARY_OPERATOR(>, __greater)
      | ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/13/valarray:1211:1: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/stl_function.h:398:20: note:   'const std::pair<long long int, Node>' is not derived from 'const std::valarray<_Tp>'
  398 |       { return __x > __y; }
      |                ~~~~^~~~~
/usr/include/c++/13/valarray:1211:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__greater, std::_ValArray, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__greater, _Tp>::result_type> std::operator>(const valarray<_Tp>&, const valarray<_Tp>&)'
 1211 | _DEFINE_BINARY_OPERATOR(>, __greater)
      | ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/13/valarray:1211:1: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/stl_function.h:398:20: note:   'const std::pair<long long int, Node>' is not derived from 'const std::valarray<_Tp>'
  398 |       { return __x > __y; }
      |                ~~~~^~~~~
In file included from /usr/include/c++/13/valarray:605:
/usr/include/c++/13/bits/valarray_after.h:420:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__greater, std::_ValArray, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__greater, typename _Dom1::value_type>::result_type> std::operator>(const valarray<typename _Dom::value_type>&, const _Expr<_Dom1, typename _Dom1::value_type>&)'
  420 |     _DEFINE_EXPR_BINARY_OPERATOR(>, struct std::__greater)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/13/bits/valarray_after.h:420:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/stl_function.h:398:20: note:   'const std::pair<long long int, Node>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
  398 |       { return __x > __y; }
      |                ~~~~^~~~~
/usr/include/c++/13/bits/valarray_after.h:420:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__greater, std::_Expr, std::_ValArray, _Dom, typename _Dom::value_type>, typename std::__fun<std::__greater, typename _Dom1::value_type>::result_type> std::operator>(const _Expr<_Dom1, typename _Dom1::value_type>&, const valarray<typename _Dom::value_type>&)'
  420 |     _DEFINE_EXPR_BINARY_OPERATOR(>, struct std::__greater)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/13/bits/valarray_after.h:420:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/stl_function.h:398:20: note:   'const std::pair<long long int, Node>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
  398 |       { return __x > __y; }
      |                ~~~~^~~~~
/usr/include/c++/13/bits/valarray_after.h:420:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__greater, std::_Constant, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__greater, typename _Dom1::value_type>::result_type> std::operator>(const typename _Dom::value_type&, const _Expr<_Dom1, typename _Dom1::value_type>&)'
  420 |     _DEFINE_EXPR_BINARY_OPERATOR(>, struct std::__greater)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/13/bits/valarray_after.h:420:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/stl_function.h:398:20: note:   'const std::pair<long long int, Node>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
  398 |       { return __x > __y; }
      |                ~~~~^~~~~
/usr/include/c++/13/bits/valarray_after.h:420:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__greater, std::_Expr, std::_Constant, _Dom, typename _Dom::value_type>, typename std::__fun<std::__greater, typename _Dom1::value_type>::result_type> std::operator>(const _Expr<_Dom1, typename _Dom1::value_type>&, const typename _Dom::value_type&)'
  420 |     _DEFINE_EXPR_BINARY_OPERATOR(>, struct std::__greater)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/13/bits/valarray_after.h:420:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/stl_function.h:398:20: note:   'const std::pair<long long int, Node>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
  398 |       { return __x > __y; }
      |                ~~~~^~~~~
/usr/include/c++/13/bits/valarray_after.h:420:5: note: candidate: 'template<class _Dom1, class _Dom2> std::_Expr<std::__detail::_BinClos<std::__greater, std::_Expr, std::_Expr, _Dom1, _Dom2>, typename std::__fun<std::__greater, typename _Dom1::value_type>::result_type> std::operator>(const _Expr<_Dom1, typename _Dom1::value_type>&, const _Expr<_Dom2, typename _Dom2::value_type>&)'
  420 |     _DEFINE_EXPR_BINARY_OPERATOR(>, struct std::__greater)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/13/bits/valarray_after.h:420:5: note:   template argument deduction/substitution failed:
/us