| # | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
|---|---|---|---|---|---|---|---|
| 1253310 | chr34 | Triple Peaks (IOI25_triples) | C++20 | 컴파일 에러 | 0 ms | 0 KiB |
#include <bits/stdc++.h>
using namespace std;
//#define int long long
#define endl "\n"
#define dbg(x) cout << #x << " = " << (x) << endl;
const long long INF = 1e18;
const int MAXN = 1e6 + 10;
const int MOD = 1e9 + 7;
bool match(vector<int> a, vector<int> b){
sort(a.begin(), a.end());
sort(b.begin(), b.end());
for(int i = 0; i < 3; ++i) if(a[i] != b[i]) return false;
return true;
}
long long count_triples(vector<int> h) {
int n = h.size();
long long ans = 0;
unordered_set<tuple<int, int, int>> s;
for(int k = 0; k < n; ++k){
int i = k - h[k];
int j1 = k - h[i];
if(i < j1 && j1 < k && s.find({i, j1, k}) == s.end() && h[j1] == j1 - i){
ans++;
//cout<<i<<" "<<j1<<" "<<k<<endl;
s.insert({i, j1, k});
}
int j2 = h[i] + i;
if(i < j2 && j2 < k && s.find({i, j2, k}) == s.end() && h[j2] == k - j2) {
ans++;
//cout<<i<<" "<<j2<<" "<<k<<endl;
s.insert({i, j2, k});
}
}
return ans;
}
vector<int> construct_range(int m, int k){
return {};
}
/*int main(){
ios::sync_with_stdio(false);
cin.tie(nullptr);
//freopen("input.in", "r", stdin);
//freopen("input.out", "w", stdout);
cout<<count_triples({1,1,2,2,3,4,4,5,5,7,7});
return 0;
}*/
컴파일 시 표준 에러 (stderr) 메시지
triples.cpp: In function 'long long int count_triples(std::vector<int>)':
triples.cpp:25:45: error: use of deleted function 'std::unordered_set<_Value, _Hash, _Pred, _Alloc>::unordered_set() [with _Value = std::tuple<int, int, int>; _Hash = std::hash<std::tuple<int, int, int> >; _Pred = std::equal_to<std::tuple<int, int, int> >; _Alloc = std::allocator<std::tuple<int, int, int> >]'
25 | unordered_set<tuple<int, int, int>> s;
| ^
In file included from /usr/include/c++/11/unordered_set:47,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:118,
from triples.cpp:1:
/usr/include/c++/11/bits/unordered_set.h:135:7: note: 'std::unordered_set<_Value, _Hash, _Pred, _Alloc>::unordered_set() [with _Value = std::tuple<int, int, int>; _Hash = std::hash<std::tuple<int, int, int> >; _Pred = std::equal_to<std::tuple<int, int, int> >; _Alloc = std::allocator<std::tuple<int, int, int> >]' is implicitly deleted because the default definition would be ill-formed:
135 | unordered_set() = default;
| ^~~~~~~~~~~~~
/usr/include/c++/11/bits/unordered_set.h:135:7: error: use of deleted function 'std::_Hashtable<_Key, _Value, _Alloc, _ExtractKey, _Equal, _Hash, _RangeHash, _Unused, _RehashPolicy, _Traits>::_Hashtable() [with _Key = std::tuple<int, int, int>; _Value = std::tuple<int, int, int>; _Alloc = std::allocator<std::tuple<int, int, int> >; _ExtractKey = std::__detail::_Identity; _Equal = std::equal_to<std::tuple<int, int, int> >; _Hash = std::hash<std::tuple<int, int, int> >; _RangeHash = std::__detail::_Mod_range_hashing; _Unused = std::__detail::_Default_ranged_hash; _RehashPolicy = std::__detail::_Prime_rehash_policy; _Traits = std::__detail::_Hashtable_traits<true, true, true>]'
In file included from /usr/include/c++/11/unordered_map:46,
from /usr/include/c++/11/functional:61,
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 triples.cpp:1:
/usr/include/c++/11/bits/hashtable.h:528:7: note: 'std::_Hashtable<_Key, _Value, _Alloc, _ExtractKey, _Equal, _Hash, _RangeHash, _Unused, _RehashPolicy, _Traits>::_Hashtable() [with _Key = std::tuple<int, int, int>; _Value = std::tuple<int, int, int>; _Alloc = std::allocator<std::tuple<int, int, int> >; _ExtractKey = std::__detail::_Identity; _Equal = std::equal_to<std::tuple<int, int, int> >; _Hash = std::hash<std::tuple<int, int, int> >; _RangeHash = std::__detail::_Mod_range_hashing; _Unused = std::__detail::_Default_ranged_hash; _RehashPolicy = std::__detail::_Prime_rehash_policy; _Traits = std::__detail::_Hashtable_traits<true, true, true>]' is implicitly deleted because the default definition would be ill-formed:
528 | _Hashtable() = default;
| ^~~~~~~~~~
/usr/include/c++/11/bits/hashtable.h:528:7: error: use of deleted function 'std::__detail::_Hashtable_base<_Key, _Value, _ExtractKey, _Equal, _Hash, _RangeHash, _Unused, _Traits>::_Hashtable_base() [with _Key = std::tuple<int, int, int>; _Value = std::tuple<int, int, int>; _ExtractKey = std::__detail::_Identity; _Equal = std::equal_to<std::tuple<int, int, int> >; _Hash = std::hash<std::tuple<int, int, int> >; _RangeHash = std::__detail::_Mod_range_hashing; _Unused = std::__detail::_Default_ranged_hash; _Traits = std::__detail::_Hashtable_traits<true, true, true>]'
In file included from /usr/include/c++/11/bits/hashtable.h:35,
from /usr/include/c++/11/unordered_map:46,
from /usr/include/c++/11/functional:61,
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 triples.cpp:1:
/usr/include/c++/11/bits/hashtable_policy.h:1604:7: note: 'std::__detail::_Hashtable_base<_Key, _Value, _ExtractKey, _Equal, _Hash, _RangeHash, _Unused, _Traits>::_Hashtable_base() [with _Key = std::tuple<int, int, int>; _Value = std::tuple<int, int, int>; _ExtractKey = std::__detail::_Identity; _Equal = std::equal_to<std::tuple<int, int, int> >; _Hash = std::hash<std::tuple<int, int, int> >; _RangeHash = std::__detail::_Mod_range_hashing; _Unused = std::__detail::_Default_ranged_hash; _Traits = std::__detail::_Hashtable_traits<true, true, true>]' is implicitly deleted because the default definition would be ill-formed:
1604 | _Hashtable_base() = default;
| ^~~~~~~~~~~~~~~
/usr/include/c++/11/bits/hashtable_policy.h:1604:7: error: use of deleted function 'std::__detail::_Hash_code_base<_Key, _Value, _ExtractKey, _Hash, _RangeHash, _Unused, __cache_hash_code>::_Hash_code_base() [with _Key = std::tuple<int, int, int>; _Value = std::tuple<int, int, int>; _ExtractKey = std::__detail::_Identity; _Hash = std::hash<std::tuple<int, int, int> >; _RangeHash = std::__detail::_Mod_range_hashing; _Unused = std::__detail::_Default_ranged_hash; bool __cache_hash_code = true]'
/usr/include/c++/11/bits/hashtable_policy.h: In instantiation of 'std::__detail::_Hashtable_ebo_helper<_Nm, _Tp, true>::_Hashtable_ebo_helper() [with int _Nm = 1; _Tp = std::hash<std::tuple<int, int, int> >]':
/usr/include/c++/11/bits/hashtable_policy.h:1210:7: required from here
/usr/include/c++/11/bits/hashtable_policy.h:1127:49: error: use of deleted function 'std::hash<std::tuple<int, int, int> >::hash()'
1127 | _Hashtable_ebo_helper() noexcept(noexcept(_Tp())) : _Tp() { }
| ^~~~~
In file included from /usr/include/c++/11/string_view:42,
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 triples.cpp:1:
/usr/include/c++/11/bits/functional_hash.h:102:12: note: 'std::hash<std::tuple<int, int, int> >::hash()' is implicitly deleted because the default definition would be ill-formed:
102 | struct hash : __hash_enum<_Tp>
| ^~~~
/usr/include/c++/11/bits/functional_hash.h:102:12: error: no matching function for call to 'std::__hash_enum<std::tuple<int, int, int>, false>::__hash_enum()'
/usr/include/c++/11/bits/functional_hash.h:83:7: note: candidate: 'std::__hash_enum<_Tp, <anonymous> >::__hash_enum(std::__hash_enum<_Tp, <anonymous> >&&) [with _Tp = std::tuple<int, int, int>; bool <anonymous> = false]'
83 | __hash_enum(__hash_enum&&);
| ^~~~~~~~~~~
/usr/include/c++/11/bits/functional_hash.h:83:7: note: candidate expects 1 argument, 0 provided
/usr/include/c++/11/bits/functional_hash.h:102:12: error: 'std::__hash_enum<_Tp, <anonymous> >::~__hash_enum() [with _Tp = std::tuple<int, int, int>; bool <anonymous> = false]' is private within this context
102 | struct hash : __hash_enum<_Tp>
| ^~~~
/usr/include/c++/11/bits/functional_hash.h:84:7: note: declared private here
84 | ~__hash_enum();
| ^
In file included from /usr/include/c++/11/bits/hashtable.h:35,
from /usr/include/c++/11/unordered_map:46,
from /usr/include/c++/11/functional:61,
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 triples.cpp:1:
/usr/include/c++/11/bits/hashtable_policy.h:1210:7: note: 'std::__detail::_Hash_code_base<_Key, _Value, _ExtractKey, _Hash, _RangeHash, _Unused, __cache_hash_code>::_Hash_code_base() [with _Key = std::tuple<int, int, int>; _Value = std::tuple<int, int, int>; _ExtractKey = std::__detail::_Identity; _Hash = std::hash<std::tuple<int, int, int> >; _RangeHash = std::__detail::_Mod_range_hashing; _Unused = std::__detail::_Default_ranged_hash; bool __cache_hash_code = true]' is implicitly deleted because the default definition would be ill-formed:
1210 | _Hash_code_base() = default;
| ^~~~~~~~~~~~~~~
/usr/include/c++/11/bits/hashtable_policy.h:1210:7: error: use of deleted function 'std::__detail::_Hashtable_ebo_helper<1, std::hash<std::tuple<int, int, int> >, true>::~_Hashtable_ebo_helper()'
/usr/include/c++/11/bits/hashtable_policy.h:1124:12: note: 'std::__detail::_Hashtable_ebo_helper<1, std::hash<std::tuple<int, int, int> >, true>::~_Hashtable_ebo_helper()' is implicitly deleted because the default definition would be ill-formed:
1124 | struct _Hashtable_ebo_helper<_Nm, _Tp, true>
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/bits/hashtable_policy.h:1124:12: error: use of deleted function 'std::hash<std::tuple<int, int, int> >::~hash()'
In file included from /usr/include/c++/11/string_view:42,
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 triples.cpp:1:
/usr/include/c++/11/bits/functional_hash.h:102:12: note: 'std::hash<std::tuple<int, int, int> >::~hash()' is implicitly deleted because the default definition would be ill-formed:
102 | struct hash : __hash_enum<_Tp>
| ^~~~
/usr/include/c++/11/bits/functional_hash.h:102:12: error: 'std::__hash_enum<_Tp, <anonymous> >::~__hash_enum() [with _Tp = std::tuple<int, int, int>; bool <anonymous> = false]' is private within this context
/usr/include/c++/11/bits/functional_hash.h:84:7: note: declared private here
84 | ~__hash_enum();
| ^
In file included from /usr/include/c++/11/bits/hashtable.h:35,
from /usr/include/c++/11/unordered_map:46,
from /usr/include/c++/11/functional:61,
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 triples.cpp:1:
/usr/include/c++/11/bits/hashtable_policy.h:1604:7: error: use of deleted function 'std::__detail::_Hash_code_base<std::tuple<int, int, int>, std::tuple<int, int, int>, std::__detail::_Identity, std::hash<std::tuple<int, int, int> >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>::~_Hash_code_base()'
1604 | _Hashtable_base() = default;
| ^~~~~~~~~~~~~~~
/usr/include/c++/11/bits/hashtable_policy.h:1188:12: note: 'std::__detail::_Hash_code_base<std::tuple<int, int, int>, std::tuple<int, int, int>, std::__detail::_Identity, std::hash<std::tuple<int, int, int> >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>::~_Hash_code_base()' is implicitly deleted because the default definition would be ill-formed:
1188 | struct _Hash_code_base
| ^~~~~~~~~~~~~~~
/usr/include/c++/11/bits/hashtable_policy.h:1188:12: error: use of deleted function 'std::__detail::_Hashtable_ebo_helper<1, std::hash<std::tuple<int, int, int> >, true>::~_Hashtable_ebo_helper()'
In file included from /usr/include/c++/11/unordered_map:46,
from /usr/include/c++/11/functional:61,
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 triples.cpp:1:
/usr/include/c++/11/bits/hashtable.h:528:7: error: use of deleted function 'std::__detail::_Hashtable_base<std::tuple<int, int, int>, std::tuple<int, int, int>, std::__detail::_Identity, std::equal_to<std::tuple<int, int, int> >, std::hash<std::tuple<int, int, int> >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, true, true> >::~_Hashtable_base()'
528 | _Hashtable() = default;
| ^~~~~~~~~~
In file included from /usr/include/c++/11/bits/hashtable.h:35,
from /usr/include/c++/11/unordered_map:46,
from /usr/include/c++/11/functional:61,
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 triples.cpp:1:
/usr/include/c++/11/bits/hashtable_policy.h:1561:12: note: 'std::__detail::_Hashtable_base<std::tuple<int, int, int>, std::tuple<int, int, int>, std::__detail::_Identity, std::equal_to<std::tuple<int, int, int> >, std::hash<std::tuple<int, int, int> >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, true, true> >::~_Hashtable_base()' is implicitly deleted because the default definition would be ill-formed:
1561 | struct _Hashtable_base
| ^~~~~~~~~~~~~~~
/usr/include/c++/11/bits/hashtable_policy.h:1561:12: error: use of deleted function 'std::__detail::_Hash_code_base<std::tuple<int, int, int>, std::tuple<int, int, int>, std::__detail::_Identity, std::hash<std::tuple<int, int, int> >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>::~_Hash_code_base()'
In file included from /usr/include/c++/11/unordered_map:46,
from /usr/include/c++/11/functional:61,
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 triples.cpp:1:
/usr/include/c++/11/bits/hashtable.h:528:7: error: use of deleted function 'constexpr std::_Enable_default_constructor<false, _Tag>::_Enable_default_constructor() [with _Tag = std::__detail::_Hash_node_base]'
528 | _Hashtable() = default;
| ^~~~~~~~~~
In file included from /usr/include/c++/11/bits/hashtable.h:36,
from /usr/include/c++/11/unordered_map:46,
from /usr/include/c++/11/functional:61,
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 triples.cpp:1:
/usr/include/c++/11/bits/enable_special_members.h:113:15: note: declared here
113 | constexpr _Enable_default_constructor() noexcept = delete;
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/unordered_map:46,
from /usr/include/c++/11/functional:61,
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 triples.cpp:1:
/usr/include/c++/11/bits/hashtable.h: In instantiation of 'std::_Hashtable<_Key, _Value, _Alloc, _ExtractKey, _Equal, _Hash, _RangeHash, _Unused, _RehashPolicy, _Traits>::~_Hashtable() [with _Key = std::tuple<int, int, int>; _Value = std::tuple<int, int, int>; _Alloc = std::allocator<std::tuple<int, int, int> >; _ExtractKey = std::__detail::_Identity; _Equal = std::equal_to<std::tuple<int, int, int> >; _Hash = std::hash<std::tuple<int, int, int> >; _RangeHash = std::__detail::_Mod_range_hashing; _Unused = std::__detail::_Default_ranged_hash; _RehashPolicy = std::__detail::_Prime_rehash_policy; _Traits = std::__detail::_Hashtable_traits<true, true, true>]':
/usr/include/c++/11/bits/unordered_set.h:97:11: required from here
/usr/include/c++/11/bits/hashtable.h:1534:5: error: use of deleted function 'std::__detail::_Hashtable_base<std::tuple<int, int, int>, std::tuple<int, int, int>, std::__detail::_Identity, std::equal_to<std::tuple<int, int, int> >, std::hash<std::tuple<int, int, int> >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, true, true> >::~_Hashtable_base()'
1534 | }
| ^
In file included from /usr/include/c++/11/bits/hashtable.h:35,
from /usr/include/c++/11/unordered_map:46,
from /usr/include/c++/11/functional:61,
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 triples.cpp:1:
/usr/include/c++/11/bits/hashtable_policy.h: In instantiation of 'std::__detail::_Hash_code_base<_Key, _Value, _ExtractKey, _Hash, _RangeHash, _Unused, __cache_hash_code>::__hash_code std::__detail::_Hash_code_base<_Key, _Value, _ExtractKey, _Hash, _RangeHash, _Unused, __cache_hash_code>::_M_hash_code(const _Key&) const [with _Key = std::tuple<int, int, int>; _Value = std::tuple<int, int, int>; _ExtractKey = std::__detail::_Identity; _Hash = std::hash<std::tuple<int, int, int> >; _RangeHash = std::__detail::_Mod_range_hashing; _Unused = std::__detail::_Default_ranged_hash; bool __cache_hash_code = true; std::__detail::_Hash_code_base<_Key, _Value, _ExtractKey, _Hash, _RangeHash, _Unused, __cache_hash_code>::__hash_code = long unsigned int]':
/usr/include/c++/11/bits/hashtable.h:1593:46: required from 'std::_Hashtable<_Key, _Value, _Alloc, _ExtractKey, _Equal, _Hash, _RangeHash, _Unused, _RehashPolicy, _Traits>::iterator std::_Hashtable<_Key, _Value, _Alloc, _ExtractKey, _Equal, _Hash, _RangeHash, _Unused, _RehashPolicy, _Traits>::find(const key_type&) [with _Key = std::tuple<int, int, int>; _Value = std::tuple<int, int, int>; _Alloc = std::allocator<std::tuple<int, int, int> >; _ExtractKey = std::__detail::_Identity; _Equal = std::equal_to<std::tuple<int, int, int> >; _Hash = std::hash<std::tuple<int, int, int> >; _RangeHash = std::__detail::_Mod_range_hashing; _Unused = std::__detail::_Default_ranged_hash; _RehashPolicy = std::__detail::_Prime_rehash_policy; _Traits = std::__detail::_Hashtable_traits<true, true, true>; std::_Hashtable<_Key, _Value, _Alloc, _ExtractKey, _Equal, _Hash, _RangeHash, _Unused, _RehashPolicy, _Traits>::iterator = std::__detail::_Insert_base<std::tuple<int, int, int>, std::tuple<int, int, int>, std::allocator<std::tuple<int, int, int> >, std::__detail::_Identity, std::equal_to<std::tuple<int, int, int> >, std::hash<std::tuple<int, int, int> >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true> >::iterator; std::_Hashtable<_Key, _Value, _Alloc, _ExtractKey, _Equal, _Hash, _RangeHash, _Unused, _RehashPolicy, _Traits>::key_type = std::tuple<int, int, int>]'
/usr/include/c++/11/bits/unordered_set.h:651:25: required from 'std::unordered_set<_Value, _Hash, _Pred, _Alloc>::iterator std::unordered_set<_Value, _Hash, _Pred, _Alloc>::find(const key_type&) [with _Value = std::tuple<int, int, int>; _Hash = std::hash<std::tuple<int, int, int> >; _Pred = std::equal_to<std::tuple<int, int, int> >; _Alloc = std::allocator<std::tuple<int, int, int> >; std::unordered_set<_Value, _Hash, _Pred, _Alloc>::iterator = std::__detail::_Insert_base<std::tuple<int, int, int>, std::tuple<int, int, int>, std::allocator<std::tuple<int, int, int> >, std::__detail::_Identity, std::equal_to<std::tuple<int, int, int> >, std::hash<std::tuple<int, int, int> >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true> >::iterator; std::unordered_set<_Value, _Hash, _Pred, _Alloc>::key_type = std::tuple<int, int, int>]'
triples.cpp:31:35: required from here
/usr/include/c++/11/bits/hashtable_policy.h:1217:23: error: static assertion failed: hash function must be invocable with an argument of key type
1217 | static_assert(__is_invocable<const _Hash&, const _Key&>{},
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/bits/hashtable_policy.h:1217:23: note: 'std::__is_invocable<const std::hash<std::tuple<int, int, int> >&, const std::tuple<int, int, int>&>{}' evaluates to false
/usr/include/c++/11/bits/hashtable_policy.h:1219:25: error: no match for call to '(const std::hash<std::tuple<int, int, int> >) (const std::tuple<int, int, int>&)'
1219 | return _M_hash()(__k);
| ~~~~~~~~~^~~~~