answer.code: In function ‘int countTypes(int)’:
answer.code:9:34: error: use of deleted function ‘std::unordered_set<_Value, _Hash, _Pred, _Alloc>::unordered_set() [with _Value = std::pair<int, int>; _Hash = std::hash<std::pair<int, int> >; _Pred = std::equal_to<std::pair<int, int> >; _Alloc = std::allocator<std::pair<int, int> >]’
9 | unordered_set<pair<int,int>> cardTypes;
| ^~~~~~~~~
In file included from /usr/include/c++/11/unordered_set:47,
from answer.code:2:
/usr/include/c++/11/bits/unordered_set.h:135:7: note: ‘std::unordered_set<_Value, _Hash, _Pred, _Alloc>::unordered_set() [with _Value = std::pair<int, int>; _Hash = std::hash<std::pair<int, int> >; _Pred = std::equal_to<std::pair<int, int> >; _Alloc = std::allocator<std::pair<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::pair<int, int>; _Value = std::pair<int, int>; _Alloc = std::allocator<std::pair<int, int> >; _ExtractKey = std::__detail::_Identity; _Equal = std::equal_to<std::pair<int, int> >; _Hash = std::hash<std::pair<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_set:46,
from answer.code:2:
/usr/include/c++/11/bits/hashtable.h:512:7: note: ‘std::_Hashtable<_Key, _Value, _Alloc, _ExtractKey, _Equal, _Hash, _RangeHash, _Unused, _RehashPolicy, _Traits>::_Hashtable() [with _Key = std::pair<int, int>; _Value = std::pair<int, int>; _Alloc = std::allocator<std::pair<int, int> >; _ExtractKey = std::__detail::_Identity; _Equal = std::equal_to<std::pair<int, int> >; _Hash = std::hash<std::pair<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:
512 | _Hashtable() = default;
| ^~~~~~~~~~
/usr/include/c++/11/bits/hashtable.h:512:7: error: use of deleted function ‘std::__detail::_Hashtable_base<_Key, _Value, _ExtractKey, _Equal, _Hash, _RangeHash, _Unused, _Traits>::_Hashtable_base() [with _Key = std::pair<int, int>; _Value = std::pair<int, int>; _ExtractKey = std::__detail::_Identity; _Equal = std::equal_to<std::pair<int, int> >; _Hash = std::hash<std::pair<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_set:46,
from answer.code:2:
/usr/include/c++/11/bits/hashtable_policy.h:1602:7: note: ‘std::__detail::_Hashtable_base<_Key, _Value, _ExtractKey, _Equal, _Hash, _RangeHash, _Unused, _Traits>::_Hashtable_base() [with _Key = std::pair<int, int>; _Value = std::pair<int, int>; _ExtractKey = std::__detail::_Identity; _Equal = std::equal_to<std::pair<int, int> >; _Hash = std::hash<std::pair<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:
1602 | _Hashtable_base() = default;
| ^~~~~~~~~~~~~~~
/usr/include/c++/11/bits/hashtable_policy.h:1602:7: 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::pair<int, int>; _Value = std::pair<int, int>; _ExtractKey = std::__detail::_Identity; _Hash = std::hash<std::pair<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:1209:7: note: ‘std::__detail::_Hash_code_base<_Key, _Value, _ExtractKey, _Hash, _RangeHash, _Unused, __cache_hash_code>::_Hash_code_base() [with _Key = std::pair<int, int>; _Value = std::pair<int, int>; _ExtractKey = std::__detail::_Identity; _Hash = std::hash<std::pair<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:
1209 | _Hash_code_base() = default;
| ^~~~~~~~~~~~~~~
/usr/include/c++/11/bits/hashtable_policy.h:1209:7: e...