| # | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
|---|---|---|---|---|---|---|---|
| 1214907 | jhe | Infinite Race (EGOI24_infiniterace2) | C++20 | 컴파일 에러 | 0 ms | 0 KiB |
#include <bits/stdc++.h>
using namespace std;
signed main() {
int n,q;
cin >> n >> q;
vector<bool> v(n, 0);
set<int> s;
int cnt = 0;
for (int _ = 0; _ < q; _++) {
int a;
cin >> a;
if (a < 0) v[-1 * a] = false;
else {
if (v[a]) {
if (s.find(a)!=s.end()) {
cnt++;
s.clear();
}
s.insert(a);
}
else {
v[a] = true;
s.insert(a);
}
}
}
cout << cnt < "\n";
}
컴파일 시 표준 에러 (stderr) 메시지
Main.cpp: In function 'int main()':
Main.cpp:29:17: error: no match for 'operator<' (operand types are 'std::basic_ostream<char>' and 'const char [2]')
29 | cout << cnt < "\n";
| ~~~~~~~~~~~ ^ ~~~~
| | |
| | const char [2]
| std::basic_ostream<char>
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:29:19: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'const char [2]'
29 | cout << cnt < "\n";
| ^~~~
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:29:19: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'const char [2]'
29 | cout << cnt < "\n";
| ^~~~
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:29:19: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'const char [2]'
29 | cout << cnt < "\n";
| ^~~~
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:29:19: note: mismatched types 'const std::reverse_iterator<_IteratorL>' and 'const char [2]'
29 | cout << cnt < "\n";
| ^~~~
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:29:19: note: mismatched types 'const std::move_iterator<_IteratorL>' and 'const char [2]'
29 | cout << cnt < "\n";
| ^~~~
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:29:19: note: mismatched types 'std::basic_string_view<_CharT, _Traits>' and 'const char*'
29 | cout << cnt < "\n";
| ^~~~
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:29:19: note: mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'const char [2]'
29 | cout << cnt < "\n";
| ^~~~
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:29:19: note: mismatched types 'const std::tuple<_Tps ...>' and 'const char [2]'
29 | cout << cnt < "\n";
| ^~~~
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:29:19: note: mismatched types 'const std::unique_ptr<_Tp, _Dp>' and 'const char [2]'
29 | cout << cnt < "\n";
| ^~~~
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:29:19: note: mismatched types 'const std::unique_ptr<_Tp, _Dp>' and 'const char [2]'
29 | cout << cnt < "\n";
| ^~~~
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:29:19: note: mismatched types 'const std::__shared_ptr<_Tp1, _Lp>' and 'const char [2]'
29 | cout << cnt < "\n";
| ^~~~
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:29:19: note: mismatched types 'const std::__shared_ptr<_Tp, _Lp>' and 'const char [2]'
29 | cout << cnt < "\n";
| ^~~~
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:29:19: note: mismatched types 'const std::shared_ptr<_Tp>' and 'const char [2]'
29 | cout << cnt < "\n";
| ^~~~
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:29:19: note: mismatched types 'const std::shared_ptr<_Tp>' and 'const char [2]'
29 | cout << cnt < "\n";
| ^~~~
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:29:19: note: mismatched types 'const std::optional<_Tp>' and 'const char [2]'
29 | cout << cnt < "\n";
| ^~~~
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:29:19: note: mismatched types 'const std::optional<_Tp>' and 'const char [2]'
29 | cout << cnt < "\n";
| ^~~~
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:29:19: note: mismatched types 'const std::optional<_Tp>' and 'const char [2]'
29 | cout << cnt < "\n";
| ^~~~
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:29:19: note: 'std::basic_ostream<char>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
29 | cout << cnt < "\n";
| ^~~~
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:29:19: note: 'std::basic_ostream<char>' is not derived from 'const std::pair<_T1, _T2>'
29 | cout << cnt < "\n";
| ^~~~
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:29:19: note: 'std::basic_ostream<char>' is not derived from 'const std::reverse_iterator<_IteratorL>'
29 | cout << cnt < "\n";
| ^~~~
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:29:19: note: 'std::basic_ostream<char>' is not derived from 'const std::move_iterator<_IteratorL>'
29 | cout << cnt < "\n";
| ^~~~
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:29:19: note: 'std::basic_ostream<char>' is not derived from 'std::basic_string_view<_CharT, _Traits>'
29 | cout << cnt < "\n";
| ^~~~
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:29:19: note: 'std::basic_ostream<char>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
29 | cout << cnt < "\n";
| ^~~~
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:29:19: note: 'std::basic_ostream<char>' is not derived from 'const std::array<_Tp, _Nm>'
29 | cout << cnt < "\n";
| ^~~~
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:29:19: note: 'std::basic_ostream<char>' is not derived from 'const std::vector<_Tp, _Alloc>'
29 | cout << cnt < "\n";
| ^~~~
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:29:19: note: 'std::basic_ostream<char>' is not derived from 'const std::deque<_Tp, _Alloc>'
29 | cout << cnt < "\n";
| ^~~~
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:29:19: note: 'std::basic_ostream<char>' is not derived from 'const std::__cxx11::list<_Tp, _Alloc>'
29 | cout << cnt < "\n";
| ^~~~
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:29:19: note: 'std::basic_ostream<char>' is not derived from 'const std::map<_Key, _Tp, _Compare, _Allocator>'
29 | cout << cnt < "\n";
| ^~~~
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:29:19: note: 'std::basic_ostream<char>' is not derived from 'const std::multimap<_Key, _Tp, _Compare, _Allocator>'
29 | cout << cnt < "\n";
| ^~~~
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:29:19: note: 'std::basic_ostream<char>' is not derived from 'const std::queue<_Tp, _Seq>'
29 | cout << cnt < "\n";
| ^~~~
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:29:19: note: 'std::basic_ostream<char>' is not derived from 'const std::set<_Key, _Compare, _Allocator>'
29 | cout << cnt < "\n";
| ^~~~
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:29:19: note: 'std::basic_ostream<char>' is not derived from 'const std::multiset<_Key, _Compare, _Allocator>'
29 | cout << cnt < "\n";
| ^~~~
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:29:19: note: 'std::basic_ostream<char>' is not derived from 'const std::stack<_Tp, _Seq>'
29 | cout << cnt < "\n";
| ^~~~
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:29:19: note: 'std::basic_ostream<char>' is not derived from 'const std::forward_list<_Tp, _Alloc>'
29 | cout << cnt < "\n";
| ^~~~
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:29:19: note: 'std::basic_ostream<char>' is not derived from 'const std::variant<_Types ...>'
29 | cout << cnt < "\n";
| ^~~~
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::basic_ostream<char>' 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::basic_ostream<char>' 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::basic_ostream<char>' 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::basic_ostream<char>' 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::basic_ostream<char>' to 'std::monostate'
1269 | operator<=>(monostate, monostate) noexcept { return strong_ordering::equal; }
| ^~~~~~~~~
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: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:29:19: note: 'std::basic_ostream<char>' is not derived from 'const std::reverse_iterator<_IteratorL>'
29 | cout << cnt < "\n";
| ^~~~
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: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:29:19: note: 'std::basic_ostream<char>' is not derived from 'const std::move_iterator<_IteratorL>'
29 | cout << cnt < "\n";
| ^~~~
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: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:29:19: note: 'std::basic_ostream<char>' is not derived from 'const std::unique_ptr<_Tp, _Dp>'
29 | cout << cnt < "\n";
| ^~~~
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: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:29:19: note: 'std::basic_ostream<char>' is not derived from 'const std::unique_ptr<_Tp, _Dp>'
29 | cout << cnt < "\n";
| ^~~~
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: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:29:19: note: mismatched types 'const std::unique_ptr<_Tp, _Dp>' and 'const char [2]'
29 | cout << cnt < "\n";
| ^~~~
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: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:29:19: note: 'std::basic_ostream<char>' is not derived from 'const std::queue<_Tp, _Seq>'
29 | cout << cnt < "\n";
| ^~~~
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: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:29:19: note: 'std::basic_ostream<char>' is not derived from 'const std::stack<_Tp, _Seq>'
29 | cout << cnt < "\n";
| ^~~~
In file included from /usr/include/c++/11/valarray:603,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
from Main.cpp:1:
/usr/include/c++/11/bits/valarray_after.h:419:5: note: candidate: 'template<class _Dom1, class _Dom2> std::_Expr<std::__detail::_BinClos<std::__less, std::_Expr, std::_Expr, _Dom1, _Dom2>, typename std::__fun<std::__less, typename _Dom1::value_type>::result_type> std::operator<(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::_Expr<_Dom2, typename _Dom2::value_type>&)'
419 | _DEFINE_EXPR_BINARY_OPERATOR(<, struct std::__less)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/bits/valarray_after.h:419:5: note: template argument deduction/substitution failed:
Main.cpp:29:19: note: 'std::basic_ostream<char>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
29 | cout << cnt < "\n";
| ^~~~
In file included from /usr/include/c++/11/valarray:603,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
from Main.cpp:1:
/usr/include/c++/11/bits/valarray_after.h:419:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__less, std::_Expr, std::_Constant, _Dom, typename _Dom::value_type>, typename std::__fun<std::__less, typename _Dom1::value_type>::result_type> std::operator<(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const typename _Dom::value_type&)'
419 | _DEFINE_EXPR_BINARY_OPERATOR(<, struct std::__less)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/bits/valarray_after.h:419:5: note: template argument deduction/substitution failed:
Main.cpp:29:19: note: 'std::basic_ostream<char>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
29 | cout << cnt < "\n";
| ^~~~
In file included from /usr/include/c++/11/valarray:603,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
from Main.cpp:1:
/usr/include/c++/11/bits/valarray_after.h:419:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__less, std::_Constant, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__less, typename _Dom1::value_type>::result_type> std::operator<(const typename _Dom::value_type&, const std::_Expr<_Dom1, typename _Dom1::value_type>&)'
419 | _DEFINE_EXPR_BINARY_OPERATOR(<, struct std::__less)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/bits/valarray_after.h:419:5: note: template argument deduction/substitution failed:
Main.cpp:29:19: note: mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'const char [2]'
29 | cout << cnt < "\n";
| ^~~~
In file included from /usr/include/c++/11/valarray:603,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
from Main.cpp:1:
/usr/include/c++/11/bits/valarray_after.h:419:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__less, std::_Expr, std::_ValArray, _Dom, typename _Dom::value_type>, typename std::__fun<std::__less, typename _Dom1::value_type>::result_type> std::operator<(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::valarray<typename _Dom::value_type>&)'
419 | _DEFINE_EXPR_BINARY_OPERATOR(<, struct std::__less)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/bits/valarray_after.h:419:5: note: template argument deduction/substitution failed:
Main.cpp:29:19: note: 'std::basic_ostream<char>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
29 | cout << cnt < "\n";
| ^~~~
In file included from /usr/include/c++/11/valarray:603,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
from Main.cpp:1:
/usr/include/c++/11/bits/valarray_after.h:419:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__less, std::_ValArray, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__less, typename _Dom1::value_type>::result_type> std::operator<(const std::valarray<typename _Dom::value_type>&, const std::_Expr<_Dom1, typename _Dom1::value_type>&)'
419 | _DEFINE_EXPR_BINARY_OPERATOR(<, struct std::__less)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/bits/valarray_after.h:419:5: note: template argument deduction/substitution failed:
Main.cpp:29:19: note: mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'const char [2]'
29 | cout << cnt < "\n";
| ^~~~
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
from Main.cpp:1:
/usr/include/c++/11/valarray:1200:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__less, std::_ValArray, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__less, _Tp>::result_type> std::operator<(const std::valarray<_Tp>&, const std::valarray<_Tp>&)'
1200 | _DEFINE_BINARY_OPERATOR(<, __less)
| ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/valarray:1200:1: note: template argument deduction/substitution failed:
Main.cpp:29:19: note: 'std::basic_ostream<char>' is not derived from 'const std::valarray<_Tp>'
29 | cout << cnt < "\n";
| ^~~~
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
from Main.cpp:1:
/usr/include/c++/11/valarray:1200:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__less, std::_ValArray, std::_Constant, _Tp, _Tp>, typename std::__fun<std::__less, _Tp>::result_type> std::operator<(const std::valarray<_Tp>&, const typename std::valarray<_Tp>::value_type&)'
1200 | _DEFINE_BINARY_OPERATOR(<, __less)
| ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/valarray:1200:1: note: template argument deduction/substitution failed:
Main.cpp:29:19: note: 'std::basic_ostream<char>' is not derived from 'const std::valarray<_Tp>'
29 | cout << cnt < "\n";
| ^~~~
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
from Main.cpp:1:
/usr/include/c++/11/valarray:1200:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__less, std::_Constant, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__less, _Tp>::result_type> std::operator<(const typename std::valarray<_Tp>::value_type&, const std::valarray<_Tp>&)'
1200 | _DEFINE_BINARY_OPERATOR(<, __less)
| ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/valarray:1200:1: note: template argument deduction/substitution failed:
Main.cpp:29:19: note: mismatched types 'const std::valarray<_Tp>' and 'const char [2]'
29 | cout << cnt < "\n";
| ^~~~
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:1063:5: note: candidate: 'template<class _Tp, class _Up> constexpr std::__optional_lt_t<_Tp, _Up> std::operator<(const std::optional<_Tp>&, const std::optional<_Up>&)'
1063 | operator<(const optional<_Tp>& __lhs, const optional<_Up>& __rhs)
| ^~~~~~~~
/usr/include/c++/11/optional:1063:5: note: template argument deduction/substitution failed:
Main.cpp:29:19: note: 'std::basic_ostream<char>' is not derived from 'const std::optional<_Tp>'
29 | cout << cnt < "\n";
| ^~~~
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:1197:5: note: candidate: 'template<class _Tp, class _Up> constexpr std::__optional_lt_t<_Tp, _Up> std::operator<(const std::optional<_Tp>&, const _Up&)'
1197 | operator<(const optional<_Tp>& __lhs, const _Up& __rhs)
| ^~~~~~~~
/usr/include/c++/11/optional:1197:5: note: template argument deduction/substitution failed:
Main.cpp:29:19: note: 'std::basic_ostream<char>' is not derived from 'const std::optional<_Tp>'
29 | cout << cnt < "\n";
| ^~~~
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:1203:5: note: candidate: 'template<class _Tp, class _Up> constexpr std::__optional_lt_t<_Up, _Tp> std::operator<(const _Up&, const std::optional<_Tp>&)'
1203 | operator<(const _Up& __lhs, const optional<_Tp>& __rhs)
| ^~~~~~~~
/usr/include/c++/11/optional:1203:5: note: template argument deduction/substitution failed:
Main.cpp:29:19: note: mismatched types 'const std::optional<_Tp>' and 'const char [2]'
29 | cout << cnt < "\n";
| ^~~~
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:1230:3: note: candidate: 'template<class ... _Types> constexpr bool std::operator<(const std::variant<_Types ...>&, const std::variant<_Types ...>&)'
1230 | _VARIANT_RELATION_FUNCTION_TEMPLATE(<,