# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
1218325 | JhoZzel | Gym Badges (NOI22_gymbadges) | C++20 | Compilation error | 0 ms | 0 KiB |
#include <bits/stdc++.h>
using namespace std;
#define ff first
#define ss second
using ll = long long;
const ll INF = 1e16;
const int N = 5000 + 5;
pair<ll,int> dp[N][N];
int main() {
cin.tie(0) -> sync_with_stdio(0);
for (int i = 0; i < N; i++)
for (int j = 0; j < N; j++)
dp[i][j] = INF;
int n; cin >> n;
vector<pair<int,int>> a(n);
for (int i = 0; i < n; i++) cin >> a[i].ss;
for (int i = 0; i < n; i++) cin >> a[i].ff;
sort(a.begin(), a.end(), [&](pair<int,int> x, pair<int,int> y) {
return x.ff + x.ss < y.ff + y.ss;
});
bool same = 1;
for (int i = 0; i < n; i++) if (a[i].ff != a[0].ff) same = 0;
if (same) {
ll sa = 0;
int cnt = 0;
for (int i = 0; i < n; i++) {
if (sa + a[i].ss > a[0].ff) break;
sa += a[i].ss;
cnt++;
}
cout << cnt << "\n";
return 0;
}
a.insert(a.begin(), pair{0, 0});
for (int i = 0; i <= n; i++) dp[i][0] = 0;
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= i; j++) {
dp[i][j] = dp[i - 1][j];
if (dp[i - 1][j - 1] <= a[i].ff) {
dp[i][j] = min(dp[i][j], dp[i - 1][j - 1] + a[i].ss);
}
}
}
int ans = 0;
for (int j = 1; j <= n; j++) {
if (dp[n][j] != INF) ans = j;
}
cout << ans << "\n";
return 0;
}
Compilation message (stderr)
Main.cpp: In function 'int main()': Main.cpp:20:24: error: no match for 'operator=' (operand types are 'std::pair<long long int, int>' and 'const ll' {aka 'const long long int'}) 20 | dp[i][j] = INF; | ^~~ In file included from /usr/include/c++/11/bits/stl_algobase.h:64, from /usr/include/c++/11/bits/specfun.h:45, from /usr/include/c++/11/cmath:1935, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:41, from Main.cpp:1: /usr/include/c++/11/bits/stl_pair.h:418:9: note: candidate: 'template<class _U1, class _U2> constexpr typename std::enable_if<std::__and_<std::is_assignable<_T1&, const _U1&>, std::is_assignable<_T2&, const _U2&> >::value, std::pair<_T1, _T2>&>::type std::pair<_T1, _T2>::operator=(const std::pair<_U1, _U2>&) [with _U1 = _U1; _U2 = _U2; _T1 = long long int; _T2 = int]' 418 | operator=(const pair<_U1, _U2>& __p) | ^~~~~~~~ /usr/include/c++/11/bits/stl_pair.h:418:9: note: template argument deduction/substitution failed: Main.cpp:20:24: note: mismatched types 'const std::pair<_T1, _T2>' and 'const ll' {aka 'const long long int'} 20 | dp[i][j] = INF; | ^~~ In file included from /usr/include/c++/11/bits/stl_algobase.h:64, from /usr/include/c++/11/bits/specfun.h:45, from /usr/include/c++/11/cmath:1935, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:41, from Main.cpp:1: /usr/include/c++/11/bits/stl_pair.h:430:9: note: candidate: 'template<class _U1, class _U2> constexpr typename std::enable_if<std::__and_<std::is_assignable<_T1&, _U1&&>, std::is_assignable<_T2&, _U2&&> >::value, std::pair<_T1, _T2>&>::type std::pair<_T1, _T2>::operator=(std::pair<_U1, _U2>&&) [with _U1 = _U1; _U2 = _U2; _T1 = long long int; _T2 = int]' 430 | operator=(pair<_U1, _U2>&& __p) | ^~~~~~~~ /usr/include/c++/11/bits/stl_pair.h:430:9: note: template argument deduction/substitution failed: Main.cpp:20:24: note: mismatched types 'std::pair<_T1, _T2>' and 'const ll' {aka 'const long long int'} 20 | dp[i][j] = INF; | ^~~ In file included from /usr/include/c++/11/bits/stl_algobase.h:64, from /usr/include/c++/11/bits/specfun.h:45, from /usr/include/c++/11/cmath:1935, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:41, from Main.cpp:1: /usr/include/c++/11/bits/stl_pair.h:390:7: note: candidate: 'constexpr std::pair<_T1, _T2>& std::pair<_T1, _T2>::operator=(typename std::conditional<std::__and_<std::is_copy_assignable<_T1>, std::is_copy_assignable<_T2> >::value, const std::pair<_T1, _T2>&, const std::__nonesuch&>::type) [with _T1 = long long int; _T2 = int; typename std::conditional<std::__and_<std::is_copy_assignable<_T1>, std::is_copy_assignable<_T2> >::value, const std::pair<_T1, _T2>&, const std::__nonesuch&>::type = const std::pair<long long int, int>&]' 390 | operator=(typename conditional< | ^~~~~~~~ /usr/include/c++/11/bits/stl_pair.h:393:55: note: no known conversion for argument 1 from 'const ll' {aka 'const long long int'} to 'std::conditional<true, const std::pair<long long int, int>&, const std::__nonesuch&>::type' {aka 'const std::pair<long long int, int>&'} 390 | operator=(typename conditional< | ~~~~~~~~~~~~~~~~~~~~~ 391 | __and_<is_copy_assignable<_T1>, | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 392 | is_copy_assignable<_T2>>::value, | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 393 | const pair&, const __nonesuch&>::type __p) | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~ /usr/include/c++/11/bits/stl_pair.h:401:7: note: candidate: 'constexpr std::pair<_T1, _T2>& std::pair<_T1, _T2>::operator=(typename std::conditional<std::__and_<std::is_move_assignable<_Tp>, std::is_move_assignable<_T2> >::value, std::pair<_T1, _T2>&&, std::__nonesuch&&>::type) [with _T1 = long long int; _T2 = int; typename std::conditional<std::__and_<std::is_move_assignable<_Tp>, std::is_move_assignable<_T2> >::value, std::pair<_T1, _T2>&&, std::__nonesuch&&>::type = std::pair<long long int, int>&&]' 401 | operator=(typename conditional< | ^~~~~~~~ /usr/include/c++/11/bits/stl_pair.h:404:45: note: no known conversion for argument 1 from 'const ll' {aka 'const long long int'} to 'std::conditional<true, std::pair<long long int, int>&&, std::__nonesuch&&>::type' {aka 'std::pair<long long int, int>&&'} 401 | operator=(typename conditional< | ~~~~~~~~~~~~~~~~~~~~~ 402 | __and_<is_move_assignable<_T1>, | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 403 | is_move_assignable<_T2>>::value, | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 404 | pair&&, __nonesuch&&>::type __p) | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~ Main.cpp:50:45: error: no match for 'operator=' (operand types are 'std::pair<long long int, int>' and 'int') 50 | for (int i = 0; i <= n; i++) dp[i][0] = 0; | ^ In file included from /usr/include/c++/11/bits/stl_algobase.h:64, from /usr/include/c++/11/bits/specfun.h:45, from /usr/include/c++/11/cmath:1935, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:41, from Main.cpp:1: /usr/include/c++/11/bits/stl_pair.h:418:9: note: candidate: 'template<class _U1, class _U2> constexpr typename std::enable_if<std::__and_<std::is_assignable<_T1&, const _U1&>, std::is_assignable<_T2&, const _U2&> >::value, std::pair<_T1, _T2>&>::type std::pair<_T1, _T2>::operator=(const std::pair<_U1, _U2>&) [with _U1 = _U1; _U2 = _U2; _T1 = long long int; _T2 = int]' 418 | operator=(const pair<_U1, _U2>& __p) | ^~~~~~~~ /usr/include/c++/11/bits/stl_pair.h:418:9: note: template argument deduction/substitution failed: Main.cpp:50:45: note: mismatched types 'const std::pair<_T1, _T2>' and 'int' 50 | for (int i = 0; i <= n; i++) dp[i][0] = 0; | ^ In file included from /usr/include/c++/11/bits/stl_algobase.h:64, from /usr/include/c++/11/bits/specfun.h:45, from /usr/include/c++/11/cmath:1935, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:41, from Main.cpp:1: /usr/include/c++/11/bits/stl_pair.h:430:9: note: candidate: 'template<class _U1, class _U2> constexpr typename std::enable_if<std::__and_<std::is_assignable<_T1&, _U1&&>, std::is_assignable<_T2&, _U2&&> >::value, std::pair<_T1, _T2>&>::type std::pair<_T1, _T2>::operator=(std::pair<_U1, _U2>&&) [with _U1 = _U1; _U2 = _U2; _T1 = long long int; _T2 = int]' 430 | operator=(pair<_U1, _U2>&& __p) | ^~~~~~~~ /usr/include/c++/11/bits/stl_pair.h:430:9: note: template argument deduction/substitution failed: Main.cpp:50:45: note: mismatched types 'std::pair<_T1, _T2>' and 'int' 50 | for (int i = 0; i <= n; i++) dp[i][0] = 0; | ^ In file included from /usr/include/c++/11/bits/stl_algobase.h:64, from /usr/include/c++/11/bits/specfun.h:45, from /usr/include/c++/11/cmath:1935, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:41, from Main.cpp:1: /usr/include/c++/11/bits/stl_pair.h:390:7: note: candidate: 'constexpr std::pair<_T1, _T2>& std::pair<_T1, _T2>::operator=(typename std::conditional<std::__and_<std::is_copy_assignable<_T1>, std::is_copy_assignable<_T2> >::value, const std::pair<_T1, _T2>&, const std::__nonesuch&>::type) [with _T1 = long long int; _T2 = int; typename std::conditional<std::__and_<std::is_copy_assignable<_T1>, std::is_copy_assignable<_T2> >::value, const std::pair<_T1, _T2>&, const std::__nonesuch&>::type = const std::pair<long long int, int>&]' 390 | operator=(typename conditional< | ^~~~~~~~ /usr/include/c++/11/bits/stl_pair.h:393:55: note: no known conversion for argument 1 from 'int' to 'std::conditional<true, const std::pair<long long int, int>&, const std::__nonesuch&>::type' {aka 'const std::pair<long long int, int>&'} 390 | operator=(typename conditional< | ~~~~~~~~~~~~~~~~~~~~~ 391 | __and_<is_copy_assignable<_T1>, | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 392 | is_copy_assignable<_T2>>::value, | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 393 | const pair&, const __nonesuch&>::type __p) | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~ /usr/include/c++/11/bits/stl_pair.h:401:7: note: candidate: 'constexpr std::pair<_T1, _T2>& std::pair<_T1, _T2>::operator=(typename std::conditional<std::__and_<std::is_move_assignable<_Tp>, std::is_move_assignable<_T2> >::value, std::pair<_T1, _T2>&&, std::__nonesuch&&>::type) [with _T1 = long long int; _T2 = int; typename std::conditional<std::__and_<std::is_move_assignable<_Tp>, std::is_move_assignable<_T2> >::value, std::pair<_T1, _T2>&&, std::__nonesuch&&>::type = std::pair<long long int, int>&&]' 401 | operator=(typename conditional< | ^~~~~~~~ /usr/include/c++/11/bits/stl_pair.h:404:45: note: no known conversion for argument 1 from 'int' to 'std::conditional<true, std::pair<long long int, int>&&, std::__nonesuch&&>::type' {aka 'std::pair<long long int, int>&&'} 401 | operator=(typename conditional< | ~~~~~~~~~~~~~~~~~~~~~ 402 | __and_<is_move_assignable<_T1>, | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 403 | is_move_assignable<_T2>>::value, | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 404 | pair&&, __nonesuch&&>::type __p) | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~ Main.cpp:54:34: error: no match for 'operator<=' (operand types are 'std::pair<long long int, int>' and 'int') 54 | if (dp[i - 1][j - 1] <= a[i].ff) { | ~~~~~~~~~~~~~~~~ ^~ | | | std::pair<long long int, int> In file included from /usr/include/c++/11/regex:63, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:110, from Main.cpp:1: /usr/include/c++/11/bits/regex.h:1244:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Alloc> auto std::__cxx11::operator<=>(const std::__cxx11::sub_match<_BiIter>&, std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&)' (reversed) 1244 | operator<=>(const sub_match<_Bi_iter>& __lhs, | ^~~~~~~~ /usr/include/c++/11/bits/regex.h:1244:5: note: template argument deduction/substitution failed: Main.cpp:4:12: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int' 4 | #define ff first | ^~~~~ Main.cpp:54:42: note: in expansion of macro 'ff' 54 | if (dp[i - 1][j - 1] <= a[i].ff) { | ^~ In file included from /usr/include/c++/11/regex:63, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:110, from Main.cpp:1: /usr/include/c++/11/bits/regex.h:1412:5: note: candidate: 'template<class _Bi_iter> auto std::__cxx11::operator<=>(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)' (reversed) 1412 | operator<=>(const sub_match<_Bi_iter>& __lhs, | ^~~~~~~~ /usr/include/c++/11/bits/regex.h:1412:5: note: template argument deduction/substitution failed: Main.cpp:4:12: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int' 4 | #define ff first | ^~~~~ Main.cpp:54:42: note: in expansion of macro 'ff' 54 | if (dp[i - 1][j - 1] <= a[i].ff) { | ^~ In file included from /usr/include/c++/11/regex:63, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:110, from Main.cpp:1: /usr/include/c++/11/bits/regex.h:1585:5: note: candidate: 'template<class _Bi_iter> auto std::__cxx11::operator<=>(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)' (reversed) 1585 | operator<=>(const sub_match<_Bi_iter>& __lhs, | ^~~~~~~~ /usr/include/c++/11/bits/regex.h:1585:5: note: template argument deduction/substitution failed: Main.cpp:4:12: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int' 4 | #define ff first | ^~~~~ Main.cpp:54:42: note: in expansion of macro 'ff' 54 | if (dp[i - 1][j - 1] <= a[i].ff) { | ^~ In file included from /usr/include/c++/11/bits/stl_algobase.h:67, from /usr/include/c++/11/bits/specfun.h:45, from /usr/include/c++/11/cmath:1935, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:41, from Main.cpp:1: /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:4:12: note: mismatched types 'const std::reverse_iterator<_IteratorL>' and 'int' 4 | #define ff first | ^~~~~ Main.cpp:54:42: note: in expansion of macro 'ff' 54 | if (dp[i - 1][j - 1] <= a[i].ff) { | ^~ In file included from /usr/include/c++/11/bits/stl_algobase.h:67, from /usr/include/c++/11/bits/specfun.h:45, from /usr/include/c++/11/cmath:1935, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:41, from Main.cpp:1: /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:4:12: note: mismatched types 'const std::move_iterator<_IteratorL>' and 'int' 4 | #define ff first | ^~~~~ Main.cpp:54:42: note: in expansion of macro 'ff' 54 | if (dp[i - 1][j - 1] <= a[i].ff) { | ^~ 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/istream:38, from /usr/include/c++/11/sstream:38, from /usr/include/c++/11/complex:45, from /usr/include/c++/11/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54, from Main.cpp:1: /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:4:12: note: mismatched types 'std::basic_string_view<_CharT, _Traits>' and 'int' 4 | #define ff first | ^~~~~ Main.cpp:54:42: note: in expansion of macro 'ff' 54 | if (dp[i - 1][j - 1] <= a[i].ff) { | ^~ 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/istream:38, from /usr/include/c++/11/sstream:38, from /usr/include/c++/11/complex:45, from /usr/include/c++/11/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54, from Main.cpp:1: /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:4:12: note: mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'int' 4 | #define ff first | ^~~~~ Main.cpp:54:42: note: in expansion of macro 'ff' 54 | if (dp[i - 1][j - 1] <= a[i].ff) { | ^~ In file included from /usr/include/c++/11/functional:54, from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13, from /usr/include/c++/11/algorithm:74, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65, from Main.cpp:1: /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<_UTypes ...>&)' (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:4:12: note: mismatched types 'const std::tuple<_Tps ...>' and 'int' 4 | #define ff first | ^~~~~ Main.cpp:54:42: note: in expansion of macro 'ff' 54 | if (dp[i - 1][j - 1] <= a[i].ff) { | ^~ 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 /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:72, from Main.cpp:1: /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:4:12: note: mismatched types 'const std::unique_ptr<_Tp, _Dp>' and 'int' 4 | #define ff first | ^~~~~ Main.cpp:54:42: note: in expansion of macro 'ff' 54 | if (dp[i - 1][j - 1] <= a[i].ff) { | ^~ 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 /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:72, from Main.cpp:1: /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:4:12: note: mismatched types 'const std::unique_ptr<_Tp, _Dp>' and 'int' 4 | #define ff first | ^~~~~ Main.cpp:54:42: note: in expansion of macro 'ff' 54 | if (dp[i - 1][j - 1] <= a[i].ff) { | ^~ In file included from /usr/include/c++/11/bits/shared_ptr.h:53, from /usr/include/c++/11/memory:77, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:82, from Main.cpp:1: /usr/include/c++/11/bits/shared_ptr_base.h:1422:5: note: candidate: 'template<class _Tp, class _Up, __gnu_cxx::_Lock_policy _Lp> std::strong_ordering std::operator<=>(const std::__shared_ptr<_Tp1, _Lp>&, const std::__shared_ptr<_Tp2, _Lp>&)' (reversed) 1422 | operator<=>(const __shared_ptr<_Tp, _Lp>& __a, | ^~~~~~~~ /usr/include/c++/11/bits/shared_ptr_base.h:1422:5: note: template argument deduction/substitution failed: Main.cpp:4:12: note: mismatched types 'const std::__shared_ptr<_Tp1, _Lp>' and 'int' 4 | #define ff first | ^~~~~ Main.cpp:54:42: note: in expansion of macro 'ff' 54 | if (dp[i - 1][j - 1] <= a[i].ff) { | ^~ In file included from /usr/include/c++/11/bits/shared_ptr.h:53, from /usr/include/c++/11/memory:77, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:82, from Main.cpp:1: /usr/include/c++/11/bits/shared_ptr_base.h:1428:5: note: candidate: 'template<class _Tp, __gnu_cxx::_Lock_policy _Lp> std::strong_ordering std::operator<=>(const std::__shared_ptr<_Tp, _Lp>&, std::nullptr_t)' (reversed) 1428 | operator<=>(const __shared_ptr<_Tp, _Lp>& __a, nullptr_t) noexcept | ^~~~~~~~ /usr/include/c++/11/bits/shared_ptr_base.h:1428:5: note: template argument deduction/substitution failed: Main.cpp:4:12: note: mismatched types 'const std::__shared_ptr<_Tp, _Lp>' and 'int' 4 | #define ff first | ^~~~~ Main.cpp:54:42: note: in expansion of macro 'ff' 54 | if (dp[i - 1][j - 1] <= a[i].ff) { | ^~ In file included from /usr/include/c++/11/memory:77, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:82, from Main.cpp:1: /usr/include/c++/11/bits/shared_ptr.h:449:5: note: candidate: 'template<class _Tp, class _Up> std::strong_ordering std::operator<=>(const std::shared_ptr<_Tp>&, const std::shared_ptr<_Tp>&)' (reversed) 449 | operator<=>(const shared_ptr<_Tp>& __a, | ^~~~~~~~ /usr/include/c++/11/bits/shared_ptr.h:449:5: note: template argument deduction/substitution failed: Main.cpp:4:12: note: mismatched types 'const std::shared_ptr<_Tp>' and 'int' 4 | #define ff first | ^~~~~ Main.cpp:54:42: note: in expansion of macro 'ff' 54 | if (dp[i - 1][j - 1] <= a[i].ff) { | ^~ In file included from /usr/include/c++/11/memory:77, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:82, from Main.cpp:1: /usr/include/c++/11/bits/shared_ptr.h:455:5: note: candidate: 'template<class _Tp> std::strong_ordering std::operator<=>(const std::shared_ptr<_Tp>&, std::nullptr_t)' (reversed) 455 | operator<=>(const shared_ptr<_Tp>& __a, nullptr_t) noexcept | ^~~~~~~~ /usr/include/c++/11/bits/shared_ptr.h:455:5: note: template argument deduction/substitution failed: Main.cpp:4:12: note: mismatched types 'const std::shared_ptr<_Tp>' and 'int' 4 | #define ff first | ^~~~~ Main.cpp:54:42: note: in expansion of macro 'ff' 54 | if (dp[i - 1][j - 1] <= a[i].ff) { | ^~ In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:130, from Main.cpp:1: /usr/include/c++/11/optional:1096:5: 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 std::optional<_Tp>&, const std::optional<_Up>&)' (reversed) 1096 | operator<=>(const optional<_Tp>& __x, const optional<_Up>& __y) | ^~~~~~~~ /usr/include/c++/11/optional:1096:5: note: template argument deduction/substitution failed: Main.cpp:4:12: note: mismatched types 'const std::optional<_Tp>' and 'int' 4 | #define ff first | ^~~~~ Main.cpp:54:42: note: in expansion of macro 'ff' 54 | if (dp[i - 1][j - 1] <= a[i].ff) { | ^~ In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:130, from Main.cpp:1: /usr/include/c++/11/optional:1111:5: note: candidate: 'template<class _Tp> constexpr std::strong_ordering std::operator<=>(const std::optional<_Tp>&, std::nullopt_t)' (reversed) 1111 | operator<=>(const optional<_Tp>& __x, nullopt_t) noexcept | ^~~~~~~~ /usr/include/c++/11/optional:1111:5: note: template argument deduction/substitution failed: Main.cpp:4:12: note: mismatched types 'const std::optional<_Tp>' and 'int' 4 | #define ff first | ^~~~~ Main.cpp:54:42: note: in expansion of macro 'ff' 54 | if (dp[i - 1][j - 1] <= a[i].ff) { | ^~ In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:130, from Main.cpp:1: /usr/include/c++/11/optional:1253:5: note: candidate: 'template<class _Tp, class _Up> requires !(__is_optional_v<_Up>) && (three_way_comparable_with<_Tp, _Up, std::partial_ordering>) constexpr std::compare_three_way_result_t<_IteratorL, _IteratorR> std::operator<=>(const std::optional<_Tp>&, const _Up&)' (reversed) 1253 | operator<=>(const optional<_Tp>& __x, const _Up& __v) | ^~~~~~~~ /usr/include/c++/11/optional:1253:5: note: template argument deduction/substitution failed: Main.cpp:4:12: note: mismatched types 'const std::optional<_Tp>' and 'int' 4 | #define ff first | ^~~~~ Main.cpp:54:42: note: in expansion of macro 'ff' 54 | if (dp[i - 1][j - 1] <= a[i].ff) { | ^~ In file included from /usr/include/c++/11/regex:63, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:110, from Main.cpp:1: /usr/include/c++/11/bits/regex.h:1072:5: note: candidate: 'template<class _BiIter> auto std::__cxx11::operator<=>(const std::__cxx11::sub_match<_BiIter>&, const std::__cxx11::sub_match<_BiIter>&)' (rewritten) 1072 | operator<=>(const sub_match<_BiIter>& __lhs, | ^~~~~~~~ /usr/include/c++/11/bits/regex.h:1072:5: note: template argument deduction/substitution failed: Main.cpp:4:12: note: 'std::pair<long long int, int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>' 4 | #define ff first | ^~~~~ Main.cpp:54:42: note: in expansion of macro 'ff' 54 | if (dp[i - 1][j - 1] <= a[i].ff) { | ^~ In file included from /usr/include/c++/11/bits/stl_algobase.h:64, from /usr/include/c++/11/bits/specfun.h:45, from /usr/include/c++/11/cmath:1935, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:41, from Main.cpp:1: /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:4:12: note: mismatched types 'const std::pair<_T1, _T2>' and 'int' 4 | #define ff first | ^~~~~ Main.cpp:54:42: note: in expansion of macro 'ff' 54 | if (dp[i - 1][j - 1] <= a[i].ff) { | ^~ In file included from /usr/include/c++/11/bits/stl_algobase.h:67, from /usr/include/c++/11/bits/specfun.h:45, from /usr/include/c++/11/cmath:1935, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:41, from Main.cpp:1: /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:4:12: note: 'std::pair<long long int, int>' is not derived from 'const std::reverse_iterator<_IteratorL>' 4 | #define ff first | ^~~~~ Main.cpp:54:42: note: in expansion of macro 'ff' 54 | if (dp[i - 1][j - 1] <= a[i].ff) { | ^~ In file included from /usr/include/c++/11/bits/stl_algobase.h:67, from /usr/include/c++/11/bits/specfun.h:45, from /usr/include/c++/11/cmath:1935, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:41, from Main.cpp:1: /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:4:12: note: 'std::pair<long long int, int>' is not derived from 'const std::move_iterator<_IteratorL>' 4 | #define ff first | ^~~~~ Main.cpp:54:42: note: in expansion of macro 'ff' 54 | if (dp[i - 1][j - 1] <= a[i].ff) { | ^~ 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/istream:38, from /usr/include/c++/11/sstream:38, from /usr/include/c++/11/complex:45, from /usr/include/c++/11/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54, from Main.cpp:1: /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:4:12: note: 'std::pair<long long int, int>' is not derived from 'std::basic_string_view<_CharT, _Traits>' 4 | #define ff first | ^~~~~ Main.cpp:54:42: note: in expansion of macro 'ff' 54 | if (dp[i - 1][j - 1] <= a[i].ff) { | ^~ 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/istream:38, from /usr/include/c++/11/sstream:38, from /usr/include/c++/11/complex:45, from /usr/include/c++/11/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54, from Main.cpp:1: /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:4:12: note: 'std::pair<long long int, int>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' 4 | #define ff first | ^~~~~ Main.cpp:54:42: note: in expansion of macro 'ff' 54 | if (dp[i - 1][j - 1] <= a[i].ff) { | ^~ In file included from /usr/include/c++/11/tuple:39, from /usr/include/c++/11/functional:54, from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13, from /usr/include/c++/11/algorithm:74, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65, from Main.cpp:1: /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:4:12: note: 'std::pair<long long int, int>' is not derived from 'const std::array<_Tp, _Nm>' 4 | #define ff first | ^~~~~ Main.cpp:54:42: note: in expansion of macro 'ff' 54 | if (dp[i - 1][j - 1] <= a[i].ff) { | ^~ In file included from /usr/include/c++/11/vector:67, from /usr/include/c++/11/functional:62, from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13, from /usr/include/c++/11/algorithm:74, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65, from Main.cpp:1: /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:4:12: note: 'std::pair<long long int, int>' is not derived from 'const std::vector<_Tp, _Alloc>' 4 | #define ff first | ^~~~~ Main.cpp:54:42: note: in expansion of macro 'ff' 54 | if (dp[i - 1][j - 1] <= a[i].ff) { | ^~ In file included from /usr/include/c++/11/deque:67, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:68, from Main.cpp:1: /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:4:12: note: 'std::pair<long long int, int>' is not derived from 'const std::deque<_Tp, _Alloc>' 4 | #define ff first | ^~~~~ Main.cpp:54:42: note: in expansion of macro 'ff' 54 | if (dp[i - 1][j - 1] <= a[i].ff) { | ^~ In file included from /usr/include/c++/11/list:63, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:79, from Main.cpp:1: /usr/include/c++/11/bits/stl_list.h:2065:5: note: candidate: 'template<class _Tp, class _Alloc> std::__detail::__synth3way_t<_T1> std::operator<=>(const std::__cxx11::list<_Tp, _Alloc>&, const std::__cxx11::list<_Tp, _Alloc>&)' (rewritten) 2065 | operator<=>(const list<_Tp, _Alloc>& __x, const list<_Tp, _Alloc>& __y) | ^~~~~~~~ /usr/include/c++/11/bits/stl_list.h:2065:5: note: template argument deduction/substitution failed: Main.cpp:4:12: note: 'std::pair<long long int, int>' is not derived from 'const std::__cxx11::list<_Tp, _Alloc>' 4 | #define ff first | ^~~~~ Main.cpp:54:42: note: in expansion of macro 'ff' 54 | if (dp[i - 1][j - 1] <= a[i].ff) { | ^~ In file included from /usr/include/c++/11/map:61, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:81, from Main.cpp:1: /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:4:12: note: 'std::pair<long long int, int>' is not derived from 'const std::map<_Key, _Tp, _Compare, _Allocator>' 4 | #define ff first | ^~~~~ Main.cpp:54:42: note: in expansion of macro 'ff' 54 | if (dp[i - 1][j - 1] <= a[i].ff) { | ^~ In file included from /usr/include/c++/11/map:62, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:81, from Main.cpp:1: /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:4:12: note: 'std::pair<long long int, int>' is not derived from 'const std::multimap<_Key, _Tp, _Compare, _Allocator>' 4 | #define ff first | ^~~~~ Main.cpp:54:42: note: in expansion of macro 'ff' 54 | if (dp[i - 1][j - 1] <= a[i].ff) { | ^~ In file included from /usr/include/c++/11/queue:64, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:86, from Main.cpp:1: /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:4:12: note: 'std::pair<long long int, int>' is not derived from 'const std::queue<_Tp, _Seq>' 4 | #define ff first | ^~~~~ Main.cpp:54:42: note: in expansion of macro 'ff' 54 | if (dp[i - 1][j - 1] <= a[i].ff) { | ^~ In file included from /usr/include/c++/11/set:61, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:87, from Main.cpp:1: /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:4:12: note: 'std::pair<long long int, int>' is not derived from 'const std::set<_Key, _Compare, _Allocator>' 4 | #define ff first | ^~~~~ Main.cpp:54:42: note: in expansion of macro 'ff' 54 | if (dp[i - 1][j - 1] <= a[i].ff) { | ^~ In file included from /usr/include/c++/11/set:62, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:87, from Main.cpp:1: /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:4:12: note: 'std::pair<long long int, int>' is not derived from 'const std::multiset<_Key, _Compare, _Allocator>' 4 | #define ff first | ^~~~~ Main.cpp:54:42: note: in expansion of macro 'ff' 54 | if (dp[i - 1][j - 1] <= a[i].ff) { | ^~ In file included from /usr/include/c++/11/stack:61, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:89, from Main.cpp:1: /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:4:12: note: 'std::pair<long long int, int>' is not derived from 'const std::stack<_Tp, _Seq>' 4 | #define ff first | ^~~~~ Main.cpp:54:42: note: in expansion of macro 'ff' 54 | if (dp[i - 1][j - 1] <= a[i].ff) { | ^~ In file included from /usr/include/c++/11/forward_list:38, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:104, from Main.cpp:1: /usr/include/c++/11/bits/forward_list.h:1446:5: note: candidate: 'template<class _Tp, class _Alloc> std::__detail::__synth3way_t<_T1> std::operator<=>(const std::forward_list<_Tp, _Alloc>&, const std::forward_list<_Tp, _Alloc>&)' (rewritten) 1446 | operator<=>(const forward_list<_Tp, _Alloc>& __x, | ^~~~~~~~ /usr/include/c++/11/bits/forward_list.h:1446:5: note: template argument deduction/substitution failed: Main.cpp:4:12: note: 'std::pair<long long int, int>' is not derived from 'const std::forward_list<_Tp, _Alloc>' 4 | #define ff first | ^~~~~ Main.cpp:54:42: note: in expansion of macro 'ff' 54 | if (dp[i - 1][j - 1] <= a[i].ff) { | ^~ In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:133, from Main.cpp:1: /usr/include/c++/11/variant:1246:5: 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 std::variant<_Types ...>&, const std::variant<_Types ...>&)' (rewritten) 1246 | operator<=>(const variant<_Types...>& __v, const variant<_Types...>& __w) | ^~~~~~~~ /usr/include/c++/11/variant:1246:5: note: template argument deduction/substitution failed: Main.cpp:4:12: note: 'std::pair<long long int, int>' is not derived from 'const std::variant<_Types ...>' 4 | #define ff first | ^~~~~ Main.cpp:54:42: note: in expansion of macro 'ff' 54 | if (dp[i - 1][j - 1] <= a[i].ff) { | ^~ In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:142, from Main.cpp:1: /usr/include/c++/11/coroutine:144:3: note: candidate: 'constexpr std::strong_ordering std::__n4861::operator<=>(std::__n4861::coroutine_handle<void>, std::__n4861::coroutine_handle<void>)' (rewritten) 144 | operator<=>(coroutine_handle<> __a, coroutine_handle<> __b) noexcept | ^~~~~~~~ /usr/include/c++/11/coroutine:144:34: note: no known conversion for argument 1 from 'std::pair<long long int, int>' to 'std::__n4861::coroutine_handle<void>' 144 | operator<=>(coroutine_handle<> __a, coroutine_handle<> __b) noexcept | ~~~~~~~~~~~~~~~~~~~^~~ 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/istream:38, from /usr/include/c++/11/sstream:38, from /usr/include/c++/11/complex:45, from /usr/include/c++/11/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54, from Main.cpp:1: /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/x86_64-linux-gnu/c++/11/bits/stdc++.h:113, from Main.cpp:1: /usr/include/c++/11/thread:62:3: note: candidate: 'std::strong_ordering std::operator<=>(std::thread::id, std::thread::id)' (rewritten) 62 | operator<=>(thread::id __x, thread::id __y) noexcept | ^~~~~~~~ /usr/include/c++/11/thread:62:26: note: no known conversion for argument 1 from 'std::pair<long long int, int>' to 'std::thread::id' 62 | operator<=>(thread::id __x, thread::id __y) noexcept | ~~~~~~~~~~~^~~ In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:133, from Main.cpp:1: /usr/include/c++/11/variant:1269:3: note: candidate: 'constexpr std::strong_ordering std::operator<=>(std::monostate, std::monostate)' (rewritten) 1269 | operator<=>(monostate, monostate) noexcept { return strong_ordering::equal; } | ^~~~~~~~ /usr/include/c++/11/variant:1269:15: note: no known conversion for argument 1 from 'std::pair<long long int, int>' to 'std::monostate' 1269 | operator<=>(mono