# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
1262376 | PlayVoltz | Maze (JOI23_ho_t3) | C++20 | Compilation error | 0 ms | 0 KiB |
#include <cstdio>
#include <stdio.h>
#include <stdbool.h>
#include <iostream>
#include <map>
#include <vector>
#include <climits>
#include <stack>
#include <string>
#include <queue>
#include <algorithm>
#include <set>
#include <unordered_set>
#include <unordered_map>
#include <cmath>
#include <cctype>
#include <bitset>
#include <iomanip>
#include <cstring>
#include <numeric>
#include <cassert>
#include <random>
#include <chrono>
#include <fstream>
using namespace std;
#define int long long
#define pii pair<int, int>
#define mp make_pair
#define pb push_back
#define fi first
#define se second
int dy[8]={0, 0, -1, 1, -1, 1, -1, 1};
int dx[8]={1, -1, 0, 0, -1, 1, 1, -1};
int32_t main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int n, m, k, sx, sy, ex, ey;
cin>>n>>m>>k>>sx>>sy>>ex>>ey, --sx, --sy, --ex, --ey;
vector<string> graph(n);
for (int i=0; i<n; ++i)cin>>graph[i];
vector<vector<bool> > visited(n, vector<bool>(m, 0));
vector<vector<pii> > dist(n, vector<pii>(m, mp(LLONG_MAX/2, LLONG_MAX/2)));
priority_queue<pair<pii, pii>, vector<pair<pii, pii> >, greater<pair<pii, pii> > > pq;
dist[sx][sy]=mp(0, k-1);
pq.push(mp(mp(0, k-1), mp(sx, sy)));
while (pq.size()){
int x=pq.top().se.fi, y=pq.top().se.se;
pq.pop();
if (visited[x][y])continue;
visited[x][y]=1;
for (int i=0; i<4; ++i){
int nx=x+dx[i], ny=y+dy[i];
if (nx<0||ny<0||nx>=n||ny>=m||visited[nx][ny])continue;
if (graph[nx][ny]=='.'&&mp(dist[x][y].fi, k-1)<dist[nx][ny]){
dist[nx][ny]=mp(dist[x][y].fi, k-1);
pq.push(mp(mp(dist[x][y].fi, k-1), mp(nx, ny)));
}
if (mp(dist[x][y].fi+1, 0)<dist[nx][ny]){
dist[nx][ny]=mp(dist[x][y].fi+1, 0);
pq.push(mp(mp(dist[x][y].fi+1, 0), mp(nx, ny)));
}
}
if (dist[x][y].se!=k-1)for (int i=0; i<8; ++i){
int nx=x+dx[i], ny=y+dy[i];
if (nx<0||ny<0||nx>=n||ny>=m||visited[nx][ny])continue;
if (mp(dist[x][y].fi, dist[x][y].se+1)<dist[nx][ny]){
dist[nx][ny]=mp(dist[x][y].fi, dist[x][y].se+1);
pq.push(mp(mp(dist[x][y].fi, dist[x][y].se+1), mp(nx, ny)));
}
}
}
cout<<dist[ex][ey].fi;
}
Compilation message (stderr)
Main.cpp: In function 'int32_t main()': Main.cpp:62:51: error: no match for 'operator<' (operand types are 'std::pair<long long int, int>' and '__gnu_cxx::__alloc_traits<std::allocator<std::pair<long long int, long long int> >, std::pair<long long int, long long int> >::value_type' {aka 'std::pair<long long int, long long int>'}) 62 | if (mp(dist[x][y].fi+1, 0)<dist[nx][ny]){ In file included from /usr/include/c++/11/bits/stl_algobase.h:67, from /usr/include/c++/11/bits/char_traits.h:39, from /usr/include/c++/11/ios:40, from /usr/include/c++/11/ostream:38, from /usr/include/c++/11/iostream:39, from Main.cpp:4: /usr/include/c++/11/bits/stl_iterator.h:538:5: 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 std::reverse_iterator<_IteratorL>&, const std::reverse_iterator<_IteratorR>&)' (reversed) 538 | operator<=>(const reverse_iterator<_IteratorL>& __x, | ^~~~~~~~ /usr/include/c++/11/bits/stl_iterator.h:538:5: note: template argument deduction/substitution failed: Main.cpp:62:63: note: '__gnu_cxx::__alloc_traits<std::allocator<std::pair<long long int, long long int> >, std::pair<long long int, long long int> >::value_type' {aka 'std::pair<long long int, long long int>'} is not derived from 'const std::reverse_iterator<_IteratorL>' 62 | if (mp(dist[x][y].fi+1, 0)<dist[nx][ny]){ | ^ In file included from /usr/include/c++/11/bits/stl_algobase.h:67, from /usr/include/c++/11/bits/char_traits.h:39, from /usr/include/c++/11/ios:40, from /usr/include/c++/11/ostream:38, from /usr/include/c++/11/iostream:39, from Main.cpp:4: /usr/include/c++/11/bits/stl_iterator.h:1596:5: 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 std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)' (reversed) 1596 | operator<=>(const move_iterator<_IteratorL>& __x, | ^~~~~~~~ /usr/include/c++/11/bits/stl_iterator.h:1596:5: note: template argument deduction/substitution failed: Main.cpp:62:63: note: '__gnu_cxx::__alloc_traits<std::allocator<std::pair<long long int, long long int> >, std::pair<long long int, long long int> >::value_type' {aka 'std::pair<long long int, long long int>'} is not derived from 'const std::move_iterator<_IteratorL>' 62 | if (mp(dist[x][y].fi+1, 0)<dist[nx][ny]){ | ^ In file included from /usr/include/c++/11/bits/basic_string.h:48, from /usr/include/c++/11/string:55, from /usr/include/c++/11/bits/locale_classes.h:40, from /usr/include/c++/11/bits/ios_base.h:41, from /usr/include/c++/11/ios:42, from /usr/include/c++/11/ostream:38, from /usr/include/c++/11/iostream:39, from Main.cpp:4: /usr/include/c++/11/string_view:556:5: note: candidate: 'template<class _CharT, class _Traits> constexpr decltype (__char_traits_cmp_cat<_Traits>(0)) std::operator<=>(std::basic_string_view<_CharT, _Traits>, std::__type_identity_t<std::basic_string_view<_CharT, _Traits> >)' (reversed) 556 | operator<=>(basic_string_view<_CharT, _Traits> __x, | ^~~~~~~~ /usr/include/c++/11/string_view:556:5: note: template argument deduction/substitution failed: Main.cpp:62:63: note: 'std::pair<long long int, long long int>' is not derived from 'std::basic_string_view<_CharT, _Traits>' 62 | if (mp(dist[x][y].fi+1, 0)<dist[nx][ny]){ | ^ In file included from /usr/include/c++/11/string:55, from /usr/include/c++/11/bits/locale_classes.h:40, from /usr/include/c++/11/bits/ios_base.h:41, from /usr/include/c++/11/ios:42, from /usr/include/c++/11/ostream:38, from /usr/include/c++/11/iostream:39, from Main.cpp:4: /usr/include/c++/11/bits/basic_string.h:6276:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> decltype (__char_traits_cmp_cat<_Traits>(0)) std::operator<=>(const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&, const _CharT*)' (reversed) 6276 | operator<=>(const basic_string<_CharT, _Traits, _Alloc>& __lhs, | ^~~~~~~~ /usr/include/c++/11/bits/basic_string.h:6276:5: note: template argument deduction/substitution failed: Main.cpp:62:63: note: '__gnu_cxx::__alloc_traits<std::allocator<std::pair<long long int, long long int> >, std::pair<long long int, long long int> >::value_type' {aka 'std::pair<long long int, long long int>'} is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' 62 | if (mp(dist[x][y].fi+1, 0)<dist[nx][ny]){ | ^ In file included from /usr/include/c++/11/bits/stl_map.h:63, from /usr/include/c++/11/map:61, from Main.cpp:5: /usr/include/c++/11/tuple:1557:5: note: candidate: 'template<class ... _Tps, class ... _Ups> constexpr std::common_comparison_category_t<decltype (std::__detail::__synth3way(declval<_Tps&>(), declval<_Ups&>()))...> std::operator<=>(const std::tuple<_Tps ...>&, const std::tuple<_Args2 ...>&)' (reversed) 1557 | operator<=>(const tuple<_Tps...>& __t, const tuple<_Ups...>& __u) | ^~~~~~~~ /usr/include/c++/11/tuple:1557:5: note: template argument deduction/substitution failed: Main.cpp:62:63: note: '__gnu_cxx::__alloc_traits<std::allocator<std::pair<long long int, long long int> >, std::pair<long long int, long long int> >::value_type' {aka 'std::pair<long long int, long long int>'} is not derived from 'const std::tuple<_Tps ...>' 62 | if (mp(dist[x][y].fi+1, 0)<dist[nx][ny]){ | ^ In file included from /usr/include/c++/11/bits/locale_conv.h:41, from /usr/include/c++/11/locale:43, from /usr/include/c++/11/iomanip:43, from Main.cpp:18: /usr/include/c++/11/bits/unique_ptr.h:895:5: 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 std::unique_ptr<_Tp, _Dp>&, const std::unique_ptr<_Up, _Ep>&)' (reversed) 895 | operator<=>(const unique_ptr<_Tp, _Dp>& __x, | ^~~~~~~~ /usr/include/c++/11/bits/unique_ptr.h:895:5: note: template argument deduction/substitution failed: Main.cpp:62:63: note: '__gnu_cxx::__alloc_traits<std::allocator<std::pair<long long int, long long int> >, std::pair<long long int, long long int> >::value_type' {aka 'std::pair<long long int, long long int>'} is not derived from 'const std::unique_ptr<_Tp, _Dp>' 62 | if (mp(dist[x][y].fi+1, 0)<dist[nx][ny]){ | ^ In file included from /usr/include/c++/11/bits/locale_conv.h:41, from /usr/include/c++/11/locale:43, from /usr/include/c++/11/iomanip:43, from Main.cpp:18: /usr/include/c++/11/bits/unique_ptr.h:903:5: 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 std::unique_ptr<_Tp, _Dp>&, std::nullptr_t)' (reversed) 903 | operator<=>(const unique_ptr<_Tp, _Dp>& __x, nullptr_t) | ^~~~~~~~ /usr/include/c++/11/bits/unique_ptr.h:903:5: note: template argument deduction/substitution failed: Main.cpp:62:63: note: '__gnu_cxx::__alloc_traits<std::allocator<std::pair<long long int, long long int> >, std::pair<long long int, long long int> >::value_type' {aka 'std::pair<long long int, long long int>'} is not derived from 'const std::unique_ptr<_Tp, _Dp>' 62 | if (mp(dist[x][y].fi+1, 0)<dist[nx][ny]){ | ^ In file included from /usr/include/c++/11/bits/stl_algobase.h:64, from /usr/include/c++/11/bits/char_traits.h:39, from /usr/include/c++/11/ios:40, from /usr/include/c++/11/ostream:38, from /usr/include/c++/11/iostream:39, from Main.cpp:4: /usr/include/c++/11/bits/stl_pair.h:473:5: 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 std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&)' (rewritten) 473 | operator<=>(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y) | ^~~~~~~~ /usr/include/c++/11/bits/stl_pair.h:473:5: note: template argument deduction/substitution failed: Main.cpp:62:63: note: deduced conflicting types for parameter '_T2' ('int' and 'long long int') 62 | if (mp(dist[x][y].fi+1, 0)<dist[nx][ny]){ | ^ In file included from /usr/include/c++/11/bits/stl_algobase.h:67, from /usr/include/c++/11/bits/char_traits.h:39, from /usr/include/c++/11/ios:40, from /usr/include/c++/11/ostream:38, from /usr/include/c++/11/iostream:39, from Main.cpp:4: /usr/include/c++/11/bits/stl_iterator.h:554:5: 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 std::reverse_iterator<_IteratorL>&, const std::reverse_iterator<_IteratorL>&)' (rewritten) 554 | operator<=>(const reverse_iterator<_Iterator>& __x, | ^~~~~~~~ /usr/include/c++/11/bits/stl_iterator.h:554:5: note: template argument deduction/substitution failed: Main.cpp:62:63: note: 'std::pair<long long int, int>' is not derived from 'const std::reverse_iterator<_IteratorL>' 62 | if (mp(dist[x][y].fi+1, 0)<dist[nx][ny]){ | ^ In file included from /usr/include/c++/11/bits/stl_algobase.h:67, from /usr/include/c++/11/bits/char_traits.h:39, from /usr/include/c++/11/ios:40, from /usr/include/c++/11/ostream:38, from /usr/include/c++/11/iostream:39, from Main.cpp:4: /usr/include/c++/11/bits/stl_iterator.h:1655:5: 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 std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorL>&)' (rewritten) 1655 | operator<=>(const move_iterator<_Iterator>& __x, | ^~~~~~~~ /usr/include/c++/11/bits/stl_iterator.h:1655:5: note: template argument deduction/substitution failed: Main.cpp:62:63: note: 'std::pair<long long int, int>' is not derived from 'const std::move_iterator<_IteratorL>' 62 | if (mp(dist[x][y].fi+1, 0)<dist[nx][ny]){ | ^ In file included from /usr/include/c++/11/bits/basic_string.h:48, from /usr/include/c++/11/string:55, from /usr/include/c++/11/bits/locale_classes.h:40, from /usr/include/c++/11/bits/ios_base.h:41, from /usr/include/c++/11/ios:42, from /usr/include/c++/11/ostream:38, from /usr/include/c++/11/iostream:39, from Main.cpp:4: /usr/include/c++/11/string_view:549:5: note: candidate: 'template<class _CharT, class _Traits> constexpr decltype (__char_traits_cmp_cat<_Traits>(0)) std::operator<=>(std::basic_string_view<_CharT, _Traits>, std::basic_string_view<_CharT, _Traits>)' (rewritten) 549 | operator<=>(basic_string_view<_CharT, _Traits> __x, | ^~~~~~~~ /usr/include/c++/11/string_view:549:5: note: template argument deduction/substitution failed: Main.cpp:62:63: note: 'std::pair<long long int, int>' is not derived from 'std::basic_string_view<_CharT, _Traits>' 62 | if (mp(dist[x][y].fi+1, 0)<dist[nx][ny]){ | ^ In file included from /usr/include/c++/11/string:55, from /usr/include/c++/11/bits/locale_classes.h:40, from /usr/include/c++/11/bits/ios_base.h:41, from /usr/include/c++/11/ios:42, from /usr/include/c++/11/ostream:38, from /usr/include/c++/11/iostream:39, from Main.cpp:4: /usr/include/c++/11/bits/basic_string.h:6262:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> decltype (__char_traits_cmp_cat<_Traits>(0)) std::operator<=>(const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&, const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)' (rewritten) 6262 | operator<=>(const basic_string<_CharT, _Traits, _Alloc>& __lhs, | ^~~~~~~~ /usr/include/c++/11/bits/basic_string.h:6262:5: note: template argument deduction/substitution failed: Main.cpp:62:63: note: 'std::pair<long long int, int>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' 62 | if (mp(dist[x][y].fi+1, 0)<dist[nx][ny]){ | ^ In file included from /usr/include/c++/11/tuple:39, from /usr/include/c++/11/bits/stl_map.h:63, from /usr/include/c++/11/map:61, from Main.cpp:5: /usr/include/c++/11/array:282:5: note: candidate: 'template<class _Tp, long unsigned int _Nm> constexpr std::__detail::__synth3way_t<_T1> std::operator<=>(const std::array<_Tp, _Nm>&, const std::array<_Tp, _Nm>&)' (rewritten) 282 | operator<=>(const array<_Tp, _Nm>& __a, const array<_Tp, _Nm>& __b) | ^~~~~~~~ /usr/include/c++/11/array:282:5: note: template argument deduction/substitution failed: Main.cpp:62:63: note: 'std::pair<long long int, int>' is not derived from 'const std::array<_Tp, _Nm>' 62 | if (mp(dist[x][y].fi+1, 0)<dist[nx][ny]){ | ^ In file included from /usr/include/c++/11/map:61, from Main.cpp:5: /usr/include/c++/11/bits/stl_map.h:1484:5: note: candidate: 'template<class _Key, class _Tp, class _Compare, class _Alloc> std::__detail::__synth3way_t<std::pair<const _Key, _Tp> > std::operator<=>(const std::map<_Key, _Tp, _Compare, _Allocator>&, const std::map<_Key, _Tp, _Compare, _Allocator>&)' (rewritten) 1484 | operator<=>(const map<_Key, _Tp, _Compare, _Alloc>& __x, | ^~~~~~~~ /usr/include/c++/11/bits/stl_map.h:1484:5: note: template argument deduction/substitution failed: Main.cpp:62:63: note: 'std::pair<long long int, int>' is not derived from 'const std::map<_Key, _Tp, _Compare, _Allocator>' 62 | if (mp(dist[x][y].fi+1, 0)<dist[nx][ny]){ | ^ In file included from /usr/include/c++/11/map:62, from Main.cpp:5: /usr/include/c++/11/bits/stl_multimap.h:1149:5: note: candidate: 'template<class _Key, class _Tp, class _Compare, class _Alloc> std::__detail::__synth3way_t<std::pair<const _Key, _Tp> > std::operator<=>(const std::multimap<_Key, _Tp, _Compare, _Allocator>&, const std::multimap<_Key, _Tp, _Compare, _Allocator>&)' (rewritten) 1149 | operator<=>(const multimap<_Key, _Tp, _Compare, _Alloc>& __x, | ^~~~~~~~ /usr/include/c++/11/bits/stl_multimap.h:1149:5: note: template argument deduction/substitution failed: Main.cpp:62:63: note: 'std::pair<long long int, int>' is not derived from 'const std::multimap<_Key, _Tp, _Compare, _Allocator>' 62 | if (mp(dist[x][y].fi+1, 0)<dist[nx][ny]){ | ^ In file included from /usr/include/c++/11/vector:67, from Main.cpp:6: /usr/include/c++/11/bits/stl_vector.h:1910:5: note: candidate: 'template<class _Tp, class _Alloc> std::__detail::__synth3way_t<_T1> std::operator<=>(const std::vector<_Tp, _Alloc>&, const std::vector<_Tp, _Alloc>&)' (rewritten) 1910 | operator<=>(const vector<_Tp, _Alloc>& __x, const vector<_Tp, _Alloc>& __y) | ^~~~~~~~ /usr/include/c++/11/bits/stl_vector.h:1910:5: note: template argument deduction/substitution failed: Main.cpp:62:63: note: 'std::pair<long long int, int>' is not derived from 'const std::vector<_Tp, _Alloc>' 62 | if (mp(dist[x][y].fi+1, 0)<dist[nx][ny]){ | ^ In file included from /usr/include/c++/11/deque:67, from /usr/include/c++/11/stack:60, from Main.cpp:8: /usr/include/c++/11/bits/stl_deque.h:2265:5: note: candidate: 'template<class _Tp, class _Alloc> std::__detail::__synth3way_t<_T1> std::operator<=>(const std::deque<_Tp, _Alloc>&, const std::deque<_Tp, _Alloc>&)' (rewritten) 2265 | operator<=>(const deque<_Tp, _Alloc>& __x, const deque<_Tp, _Alloc>& __y) | ^~~~~~~~ /usr/include/c++/11/bits/stl_deque.h:2265:5: note: template argument deduction/substitution failed: Main.cpp:62:63: note: 'std::pair<long long int, int>' is not derived from 'const std::deque<_Tp, _Alloc>' 62 | if (mp(dist[x][y].fi+1, 0)<dist[nx][ny]){ | ^ In file included from /usr/include/c++/11/stack:61, from Main.cpp:8: /usr/include/c++/11/bits/stl_stack.h:367:5: 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 std::stack<_Tp, _Seq>&, const std::stack<_Tp, _Seq>&)' (rewritten) 367 | operator<=>(const stack<_Tp, _Seq>& __x, const stack<_Tp, _Seq>& __y) | ^~~~~~~~ /usr/include/c++/11/bits/stl_stack.h:367:5: note: template argument deduction/substitution failed: Main.cpp:62:63: note: 'std::pair<long long int, int>' is not derived from 'const std::stack<_Tp, _Seq>' 62 | if (mp(dist[x][y].fi+1, 0)<dist[nx][ny]){ | ^ In file included from /usr/include/c++/11/queue:64, from Main.cpp:10: /usr/include/c++/11/bits/stl_queue.h:392:5: 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 std::queue<_Tp, _Seq>&, const std::queue<_Tp, _Seq>&)' (rewritten) 392 | operator<=>(const queue<_Tp, _Seq>& __x, const queue<_Tp, _Seq>& __y) | ^~~~~~~~ /usr/include/c++/11/bits/stl_queue.h:392:5: note: template argument deduction/substitution failed: Main.cpp:62:63: note: 'std::pair<long long int, int>' is not derived from 'const std::queue<_Tp, _Seq>' 62 | if (mp(dist[x][y].fi+1, 0)<dist[nx][ny]){ | ^ In file included from /usr/include/c++/11/set:61, from Main.cpp:12: /usr/include/c++/11/bits/stl_set.h:1006:5: note: candidate: 'template<class _Key, class _Compare, class _Alloc> std::__detail::__synth3way_t<_T1> std::operator<=>(const std::set<_Key, _Compare, _Allocator>&, const std::set<_Key, _Compare, _Allocator>&)' (rewritten) 1006 | operator<=>(const set<_Key, _Compare, _Alloc>& __x, | ^~~~~~~~ /usr/include/c++/11/bits/stl_set.h:1006:5: note: template argument deduction/substitution failed: Main.cpp:62:63: note: 'std::pair<long long int, int>' is not derived from 'const std::set<_Key, _Compare, _Allocator>' 62 | if (mp(dist[x][y].fi+1, 0)<dist[nx][ny]){ | ^ In file included from /usr/include/c++/11/set:62, from Main.cpp:12: /usr/include/c++/11/bits/stl_multiset.h:992:5: note: candidate: 'template<class _Key, class _Compare, class _Alloc> std::__detail::__synth3way_t<_T1> std::operator<=>(const std::multiset<_Key, _Compare, _Allocator>&, const std::multiset<_Key, _Compare, _Allocator>&)' (rewritten) 992 | operator<=>(const multiset<_Key, _Compare, _Alloc>& __x, | ^~~~~~~~ /usr/include/c++/11/bits/stl_multiset.h:992:5: note: template argument deduction/substitution failed: Main.cpp:62:63: note: 'std::pair<long long int, int>' is not derived from 'const std::multiset<_Key, _Compare, _Allocator>' 62 | if (mp(dist[x][y].fi+1, 0)<dist[nx][ny]){ | ^ In file included from /usr/include/c++/11/bits/ios_base.h:46, from /usr/include/c++/11/ios:42, from /usr/include/c++/11/ostream:38, from /usr/include/c++/11/iostream:39, from Main.cpp:4: /usr/include/c++/11/system_error:261:3: note: candidate: 'std::strong_ordering std::operator<=>(const std::error_code&, const std::error_code&)' (rewritten) 261 | operator<=>(const error_code& __lhs, const error_code& __rhs) noexcept | ^~~~~~~~ /usr/include/c++/11/system_error:261:33: note: no known conversion for argument 1 from 'std::pair<long long int, int>' to 'const std::error_code&' 261 | operator<=>(const error_code& __lhs, const error_code& __rhs) noexcept | ~~~~~~~~~~~~~~~~~~^~~~~ /usr/include/c++/11/system_error:387:3: note: candidate: 'std::strong_ordering std::operator<=>(const std::error_condition&, const std::error_condition&)' (rewritten) 387 | operator<=>(const error_condition& __lhs, | ^~~~~~~~ /usr/include/c++/11/system_error:387:38: note: no known conversion for argument 1 from 'std::pair<long long int, int>' to 'const std::error_condition&' 387 | operator<=>(const error_condition& __lhs, | ~~~~~~~~~~~~~~~~~~~~~~~^~~~~ In file included from /usr/include/c++/11/bits/stl_algobase.h:67, from /usr/include/c++/11/bits/char_traits.h:39, from /usr/include/c++/11/ios:40, from /usr/include/c++/11/ostream:38, from /usr/include/c++/11/iostream:39, from Main.cpp:4: /usr/include/c++/11/bits/stl_iterator.h:509:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator<(const std::reverse_iterator<_IteratorL>&, const std::reverse_iterator<_IteratorR>&) requires requires{{std::operator<::__x->base() > std::operator<::__y->base()} -> decltype(auto) [requires std::convertible_to<<placeholder>, bool>];}' 509 | operator<(const reverse_iterator<_IteratorL>& __x, | ^~~~~~~~ /usr/include/c++/11/bits/stl_iterator.h:509:5: note: template argument deduction/substitution failed: Main.cpp:62:63: note: 'std::pair<long long int, int>' is not derived from 'const std::reverse_iterator<_IteratorL>' 62 | if (mp(dist[x][y].fi+1, 0)<dist[nx][ny]){ | ^ In file included from /usr/include/c++/11/bits/stl_algobase.h:67, from /usr/include/c++/11/bits/char_traits.h:39, from /usr/include/c++/11/ios:40, from /usr/include/c++/11/ostream:38, from /usr/include/c++/11/iostream:39, from Main.cpp:4: /usr/include/c++/11/bits/stl_iterator.h:1609:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator<(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&) requires requires{{std::operator<::__x->base() < std::operator<::__y->base()} -> decltype(auto) [requires std::convertible_to<<placeholder>, bool>];}' 1609 | operator<(const move_iterator<_IteratorL>& __x, | ^~~~~~~~ /usr/include/c++/11/bits/stl_iterator.h:1609:5: note: template argument deduction/substitution failed: Main.cpp:62:63: note: 'std::pair<long long int, int>' is not derived from 'const std::move_iterator<_IteratorL>' 62 | if (mp(dist[x][y].fi+1, 0)<dist[nx][ny]){ | ^ In file included from /usr/include/c++/11/stack:61, from Main.cpp:8: /usr/include/c++/11/bits/stl_stack.h:337:5: note: candidate: 'template<class _Tp, class _Seq> bool std::operator<(const std::stack<_Tp, _Seq>&, const std::stack<_Tp, _Seq>&)' 337 | operator<(const stack<_Tp, _Seq>& __x, const stack<_Tp, _Seq>& __y) | ^~~~~~~~ /usr/include/c++/11/bits/stl_stack.h:337:5: note: template argument deduction/substitution failed: Main.cpp:62:63: note: 'std::pair<long long int, int>' is not derived from 'const std::stack<_Tp, _Seq>' 62 | if (mp(dist[x][y].fi+1, 0)<dist[nx][ny]){ | ^ In file included from /usr/include/c++/11/queue:64, from Main.cpp:10: /usr/include/c++/11/bits/stl_queue.h:362:5: note: candidate: 'template<class _Tp, class _Seq> bool std::operator<(const std::queue<_Tp, _Seq>&, const std::queue<_Tp, _Seq>&)' 362 | operator<(const queue<_Tp, _Seq>& __x, const queue<_Tp, _Seq>& __y) | ^~~~~~~~ /usr/include/c++/11/bits/stl_queue.h:362:5: note: template argument deduction/substitution failed: Main.cpp:62:63: note: 'std::pair<long long int, int>' is not derived from 'const std::queue<_Tp, _Seq>' 62 | if (mp(dist[x][y].fi+1, 0)<dist[nx][ny]){ | ^ In file included from /usr/include/c++/11/bits/locale_conv.h:41, from /usr/include/c++/11/locale:43, from /usr/include/c++/11/iomanip:43, from Main.cpp:18: /usr/include/c++/11/bits/unique_ptr.h:795:5: 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>&)' 795 | operator<(const unique_ptr<_Tp, _Dp>& __x, | ^~~~~~~~ /usr/include/c++/11/bits/unique_ptr.h:795:5: note: template argument deduction/substitution failed: Main.cpp:62:63: note: 'std::pair<long long int, int>' is not derived from 'const std::unique_ptr<_Tp, _Dp>' 62 | if (mp(dist[x][y].fi+1, 0)<dist[nx][ny]){ | ^ In file included from /usr/include/c++/11/bits/locale_conv.h:41, from /usr/include/c++/11/locale:43, from /usr/include/c++/11/iomanip:43, from Main.cpp:18: /usr/include/c++/11/bits/unique_ptr.h:807:5: note: candidate: 'template<class _Tp, class _Dp> bool std::operator<(const std::unique_ptr<_Tp, _Dp>&, std::nullptr_t)' 807 | operator<(const unique_ptr<_Tp, _Dp>& __x, nullptr_t) | ^~~~~~~~ /usr/include/c++/11/bits/unique_ptr.h:807:5: note: template argument deduction/substitution failed: Main.cpp:62:63: note: 'std::pair<long long int, int>' is not derived from 'const std::unique_ptr<_Tp, _Dp>' 62 | if (mp(dist[x][y].fi+1, 0)<dist[nx][ny]){ | ^ In file included from /usr/include/c++/11/bits/locale_conv.h:41, from /usr/include/c++/11/locale:43, from /usr/include/c++/11/iomanip:43, from Main.cpp:18: /usr/include/c++/11/bits/unique_ptr.h:816:5: note: candidate: 'template<class _Tp, class _Dp> bool std::operator<(std::nullptr_t, const std::unique_ptr<_Tp, _Dp>&)' 816 | operator<(nullptr_t, const unique_ptr<_Tp, _Dp>& __x) | ^~~~~~~~ /usr/include/c++/11/bits/unique_ptr.h:816:5: note: template argument deduction/substitution failed: Main.cpp:62:63: note: '__gnu_cxx::__alloc_traits<std::allocator<std::pair<long long int, long long int> >, std::pair<long long int, long long int> >::value_type' {aka 'std::pair<long long int, long long int>'} is not derived from 'const std::unique_ptr<_Tp, _Dp>' 62 | if (mp(dist[x][y].fi+1, 0)<dist[nx][ny]){ | ^