Submission #1034283

#	Time	Username	Problem	Language	Result	Execution time	Memory
1034283		Antekb	Table Tennis (JOI24_tabletennis)	C++17	Compilation error	0 ms	0 KiB

Main

#include "bits/stdc++.h"	/** keep-include */
using namespace std;

#define rep(i, b, e) for(int i = (b); i <= (e); i++)
#define per(i, b, e) for(int i = (e); i >= (b); i--)
#define FOR(i, b, e) rep(i, b, (e) - 1)
#define SZ(x) int(x.size())
#define all(x) x.begin(), x.end()
#define pb push_back
#define mp make_pair
#define st first
#define nd second
#define int long long
using ll = long long;
using vi = vector<int>;
using pii = pair<int, int>;

auto &operator<<(auto &o, pair<auto, auto> p) {
	return o << "(" << p.st << ", " << p.nd << ")"; }
auto operator<<(auto &o, auto x)->decltype(end(x), o) {
	o << "{"; int i=0; for(auto e: x) o << ", " + 2*!i++ << e;
	return o << "}"; }
#ifdef LOCAL
#define deb(x...) cerr << "[" #x "]: ", [](auto...$) { \
	((cerr << $ << "; "),...) << endl; }(x)
#else
#define deb(...)
#endif


vector<vector<int> > get_tournament(vector<int> V){
    deb(V);
    int n=V.size();
    if(n==1){
        assert(V==vi({ll(0)}));
        return {{ll(0)}};
    }
    int d=n-1-V.back();
    V.pop_back();
    vi decreased;
    vi cur;
    for(int i=n-2; ; i--){
        if(i!=n-2 && (i==-1 || V[i]!=V[i+1])){
            while(d && cur.size()){
                assert(V[cur.back()]);
                V[cur.back()]--;
                decreased.pb(cur.back());
                cur.pop_back();
                d--;
            }
            cur.clear();
        }
        if(i==-1)break;
        cur.pb(i);
    }
    auto res=get_tournament(V);
    assert(res.size()==n-1);
    res.pb(vi(n-1, ll(1)));
    for(int i=0; i<=n-1; i++){
        res[i].pb(0);
    }
    deb(n, decreased);
    for(int i:decreased){
        res[i][n-1]=1;
        res[n-1][i]=0;
    }
    return res;
}

vector<int> degrees;

using lll=__int128;
unordered_set<lll > S;
lll base=6000;
lll base2=base*base*base;
lll base3=base2*base*base;
lll hasz(int a, int b, int c, int d){
    return a+base*b+base2*c+base3*d;
}

bool backtrack(int n, int sum_deg, int sum_deg2, int max_deg){
    deb(n, sum_deg, sum_deg2, max_deg);
    if(sum_deg<n*(n-1)/2)return false;
    if(sum_deg2>n*max_deg*max_deg)return false;
    if(sum_deg2<(sum_deg*sum_deg)/n)return false;
    lll hash=hasz(n, sum_deg, sum_deg2, max_deg);
    if(S.find(hash)!=S.end())return false;
    if(n==1){
        if(sum_deg2==sum_deg*sum_deg && sum_deg<=max_deg){
            degrees.pb(sum_deg);
            return 1;
        }
        else return 0;
    }
    for(int deg=min(max_deg, sum_deg-(n-2)*(n-1)/2); deg>=0; deg--){
        if(deg*n<sum_deg)break;
        degrees.pb(deg);
        if(backtrack(n-1, sum_deg-deg, sum_deg2-deg*deg, deg))return true;
        degrees.pop_back();
    }
    S.insert(hash);
    return false;
}

//pamietac o tym ze m long longiem gdy n >=2000
void solve(int n, int m) {
    int sum_deg=n*(n-1)/2;
    int sum_deg2=2*(sum_deg*(n-2)/3-m)+sum_deg;
    deb(sum_deg, sum_deg2);
    if(!backtrack(n, sum_deg, sum_deg2, n-1)){
        cout<<"No\n";
        return;
    }
    cout<<"Yes\n";
    reverse(all(degrees));
    auto res=get_tournament(degrees);
    degrees.clear();
    for(int i=1; i<n; i++){
        for(int j=0; j<i; j++)cout<<res[i][j];
        cout<<"\n";
    }
}

int32_t main() {
	cin.tie(0)->sync_with_stdio(0);
	int tt = 1;
	bool test=0;
    if(test==0){
        cin >> tt;
        FOR(te, 0, tt){
            int n, m;
            cin>>n>>m;
            solve(n, m);
        }
    }
    else{
        for(int n=3; n<=20; n++){
            int troj=n*(n-1)*(n-2)/6;
            for(int m=0; m<=troj; m++){
                solve(n, m);
            }
        }
    }
    
    return 0;
}

Compilation message (stderr)

Main.cpp:18:18: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
   18 | auto &operator<<(auto &o, pair<auto, auto> p) {
      |                  ^~~~
Main.cpp:18:32: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
   18 | auto &operator<<(auto &o, pair<auto, auto> p) {
      |                                ^~~~
Main.cpp:18:38: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
   18 | auto &operator<<(auto &o, pair<auto, auto> p) {
      |                                      ^~~~
Main.cpp:20:17: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
   20 | auto operator<<(auto &o, auto x)->decltype(end(x), o) {
      |                 ^~~~
Main.cpp:20:26: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
   20 | auto operator<<(auto &o, auto x)->decltype(end(x), o) {
      |                          ^~~~
In file included from /usr/include/c++/10/cassert:44,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:33,
                 from Main.cpp:1:
Main.cpp: In function 'std::vector<std::vector<long long int> > get_tournament(std::vector<long long int>)':
Main.cpp:57:22: warning: comparison of integer expressions of different signedness: 'std::vector<std::vector<long long int> >::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   57 |     assert(res.size()==n-1);
      |            ~~~~~~~~~~^~~~~
Main.cpp: At global scope:
Main.cpp:73:21: error: use of deleted function 'std::unordered_set<_Value, _Hash, _Pred, _Alloc>::unordered_set() [with _Value = __int128; _Hash = std::hash<__int128>; _Pred = std::equal_to<__int128>; _Alloc = std::allocator<__int128>]'
   73 | unordered_set<lll > S;
      |                     ^
In file included from /usr/include/c++/10/unordered_set:47,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:118,
                 from Main.cpp:1:
/usr/include/c++/10/bits/unordered_set.h:135:7: note: 'std::unordered_set<_Value, _Hash, _Pred, _Alloc>::unordered_set() [with _Value = __int128; _Hash = std::hash<__int128>; _Pred = std::equal_to<__int128>; _Alloc = std::allocator<__int128>]' is implicitly deleted because the default definition would be ill-formed:
  135 |       unordered_set() = default;
      |       ^~~~~~~~~~~~~
/usr/include/c++/10/bits/unordered_set.h:135:7: error: use of deleted function 'std::_Hashtable<_Key, _Value, _Alloc, _ExtractKey, _Equal, _H1, _H2, _Hash, _RehashPolicy, _Traits>::_Hashtable() [with _Key = __int128; _Value = __int128; _Alloc = std::allocator<__int128>; _ExtractKey = std::__detail::_Identity; _Equal = std::equal_to<__int128>; _H1 = std::hash<__int128>; _H2 = std::__detail::_Mod_range_hashing; _Hash = 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++/10/unordered_map:46,
                 from /usr/include/c++/10/functional:61,
                 from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/10/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from Main.cpp:1:
/usr/include/c++/10/bits/hashtable.h:451:7: note: 'std::_Hashtable<_Key, _Value, _Alloc, _ExtractKey, _Equal, _H1, _H2, _Hash, _RehashPolicy, _Traits>::_Hashtable() [with _Key = __int128; _Value = __int128; _Alloc = std::allocator<__int128>; _ExtractKey = std::__detail::_Identity; _Equal = std::equal_to<__int128>; _H1 = std::hash<__int128>; _H2 = std::__detail::_Mod_range_hashing; _Hash = 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:
  451 |       _Hashtable() = default;
      |       ^~~~~~~~~~
/usr/include/c++/10/bits/hashtable.h:451:7: error: use of deleted function 'std::__detail::_Hashtable_base<_Key, _Value, _ExtractKey, _Equal, _H1, _H2, _Hash, _Traits>::_Hashtable_base() [with _Key = __int128; _Value = __int128; _ExtractKey = std::__detail::_Identity; _Equal = std::equal_to<__int128>; _H1 = std::hash<__int128>; _H2 = std::__detail::_Mod_range_hashing; _Hash = std::__detail::_Default_ranged_hash; _Traits = std::__detail::_Hashtable_traits<true, true, true>]'
In file included from /usr/include/c++/10/bits/hashtable.h:35,
                 from /usr/include/c++/10/unordered_map:46,
                 from /usr/include/c++/10/functional:61,
                 from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/10/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from Main.cpp:1:
/usr/include/c++/10/bits/hashtable_policy.h:1791:5: note: 'std::__detail::_Hashtable_base<_Key, _Value, _ExtractKey, _Equal, _H1, _H2, _Hash, _Traits>::_Hashtable_base() [with _Key = __int128; _Value = __int128; _ExtractKey = std::__detail::_Identity; _Equal = std::equal_to<__int128>; _H1 = std::hash<__int128>; _H2 = std::__detail::_Mod_range_hashing; _Hash = std::__detail::_Default_ranged_hash; _Traits = std::__detail::_Hashtable_traits<true, true, true>]' is implicitly deleted because the default definition would be ill-formed:
 1791 |     _Hashtable_base() = default;
      |     ^~~~~~~~~~~~~~~
/usr/include/c++/10/bits/hashtable_policy.h:1791:5: error: use of deleted function 'std::__detail::_Hash_code_base<_Key, _Value, _ExtractKey, _H1, _H2, std::__detail::_Default_ranged_hash, true>::_Hash_code_base() [with _Key = __int128; _Value = __int128; _ExtractKey = std::__detail::_Identity; _H1 = std::hash<__int128>; _H2 = std::__detail::_Mod_range_hashing]'
/usr/include/c++/10/bits/hashtable_policy.h:1368:7: note: 'std::__detail::_Hash_code_base<_Key, _Value, _ExtractKey, _H1, _H2, std::__detail::_Default_ranged_hash, true>::_Hash_code_base() [with _Key = __int128; _Value = __int128; _ExtractKey = std::__detail::_Identity; _H1 = std::hash<__int128>; _H2 = std::__detail::_Mod_range_hashing]' is implicitly deleted because the default definition would be ill-formed:
 1368 |       _Hash_code_base() = default;
      |       ^~~~~~~~~~~~~~~
/usr/include/c++/10/bits/hashtable_policy.h:1368:7: error: use of deleted function 'std::__detail::_Hashtable_ebo_helper<_Nm, _Tp, true>::_Hashtable_ebo_helper() [with int _Nm = 1; _Tp = std::hash<__int128>]'
/usr/include/c++/10/bits/hashtable_policy.h:1112:7: note: 'std::__detail::_Hashtable_ebo_helper<_Nm, _Tp, true>::_Hashtable_ebo_helper() [with int _Nm = 1; _Tp = std::hash<__int128>]' is implicitly deleted because the default definition would be ill-formed:
 1112 |       _Hashtable_ebo_helper() = default;
      |       ^~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/10/bits/hashtable_policy.h:1112:7: error: use of deleted function 'std::hash<__int128>::hash()'
In file included from /usr/include/c++/10/string_view:42,
                 from /usr/include/c++/10/bits/basic_string.h:48,
                 from /usr/include/c++/10/string:55,
                 from /usr/include/c++/10/bits/locale_classes.h:40,
                 from /usr/include/c++/10/bits/ios_base.h:41,
                 from /usr/include/c++/10/ios:42,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from Main.cpp:1:
/usr/include/c++/10/bits/functional_hash.h:101:12: note: 'std::hash<__int128>::hash()' is implicitly deleted because the default definition would be ill-formed:
  101 |     struct hash : __hash_enum<_Tp>
      |            ^~~~
/usr/include/c++/10/bits/functional_hash.h:101:12: error: no matching function for call to 'std::__hash_enum<__int128, false>::__hash_enum()'
/usr/include/c++/10/bits/functional_hash.h:82:7: note: candidate: 'std::__hash_enum<_Tp, <anonymous> >::__hash_enum(std::__hash_enum<_Tp, <anonymous> >&&) [with _Tp = __int128; bool <anonymous> = false]'
   82 |       __hash_enum(__hash_enum&&);
      |       ^~~~~~~~~~~
/usr/include/c++/10/bits/functional_hash.h:82:7: note:   candidate expects 1 argument, 0 provided
/usr/include/c++/10/bits/functional_hash.h:101:12: error: 'std::__hash_enum<_Tp, <anonymous> >::~__hash_enum() [with _Tp = __int128; bool <anonymous> = false]' is private within this context
  101 |     struct hash : __hash_enum<_Tp>
      |            ^~~~
/usr/include/c++/10/bits/functional_hash.h:83:7: note: declared private here
   83 |       ~__hash_enum();
      |       ^
In file included from /usr/include/c++/10/bits/hashtable.h:35,
                 from /usr/include/c++/10/unordered_map:46,
                 from /usr/include/c++/10/functional:61,
                 from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/10/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from Main.cpp:1:
/usr/include/c++/10/bits/hashtable_policy.h:1112:7: error: use of deleted function 'std::hash<__int128>::~hash()'
 1112 |       _Hashtable_ebo_helper() = default;
      |       ^~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/10/string_view:42,
                 from /usr/include/c++/10/bits/basic_string.h:48,
                 from /usr/include/c++/10/string:55,
                 from /usr/include/c++/10/bits/locale_classes.h:40,
                 from /usr/include/c++/10/bits/ios_base.h:41,
                 from /usr/include/c++/10/ios:42,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from Main.cpp:1:
/usr/include/c++/10/bits/functional_hash.h:101:12: note: 'std::hash<__int128>::~hash()' is implicitly deleted because the default definition would be ill-formed:
  101 |     struct hash : __hash_enum<_Tp>
      |            ^~~~
/usr/include/c++/10/bits/functional_hash.h:101:12: error: 'std::__hash_enum<_Tp, <anonymous> >::~__hash_enum() [with _Tp = __int128; bool <anonymous> = false]' is private within this context
/usr/include/c++/10/bits/functional_hash.h:83:7: note: declared private here
   83 |       ~__hash_enum();
      |       ^
In file included from /usr/include/c++/10/bits/hashtable.h:35,
                 from /usr/include/c++/10/unordered_map:46,
                 from /usr/include/c++/10/functional:61,
                 from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/10/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from Main.cpp:1:
/usr/include/c++/10/bits/hashtable_policy.h:1368:7: error: use of deleted function 'std::__detail::_Hashtable_ebo_helper<1, std::hash<__int128>, true>::~_Hashtable_ebo_helper()'
 1368 |       _Hash_code_base() = default;
      |       ^~~~~~~~~~~~~~~
/usr/include/c++/10/bits/hashtable_policy.h:1109:12: note: 'std::__detail::_Hashtable_ebo_helper<1, std::hash<__int128>, true>::~_Hashtable_ebo_helper()' is implicitly deleted because the default definition would be ill-formed:
 1109 |     struct _Hashtable_ebo_helper<_Nm, _Tp, true>
      |            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/10/bits/hashtable_policy.h:1109:12: error: use of deleted function 'std::hash<__int128>::~hash()'
/usr/include/c++/10/bits/hashtable_policy.h:1791:5: error: use of deleted function 'std::__detail::_Hash_code_base<__int128, __int128, std::__detail::_Identity, std::hash<__int128>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>::~_Hash_code_base()'
 1791 |     _Hashtable_base() = default;
      |     ^~~~~~~~~~~~~~~
/usr/include/c++/10/bits/hashtable_policy.h:1341:12: note: 'std::__detail::_Hash_code_base<__int128, __int128, std::__detail::_Identity, std::hash<__int128>, 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:
 1341 |     struct _Hash_code_base<_Key, _Value, _ExtractKey, _H1, _H2,
      |            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 1342 |       _Default_ranged_hash, true>
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/10/bits/hashtable_policy.h:1341:12: error: use of deleted function 'std::__detail::_Hashtable_ebo_helper<1, std::hash<__int128>, true>::~_Hashtable_ebo_helper()'
In file included from /usr/include/c++/10/unordered_map:46,
                 from /usr/include/c++/10/functional:61,
                 from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/10/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from Main.cpp:1:
/usr/include/c++/10/bits/hashtable.h:451:7: error: use of deleted function 'std::__detail::_Hashtable_base<__int128, __int128, std::__detail::_Identity, std::equal_to<__int128>, std::hash<__int128>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, true, true> >::~_Hashtable_base()'
  451 |       _Hashtable() = default;
      |       ^~~~~~~~~~
In file included from /usr/include/c++/10/bits/hashtable.h:35,
                 from /usr/include/c++/10/unordered_map:46,
                 from /usr/include/c++/10/functional:61,
                 from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/10/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from Main.cpp:1:
/usr/include/c++/10/bits/hashtable_policy.h:1725:10: note: 'std::__detail::_Hashtable_base<__int128, __int128, std::__detail::_Identity, std::equal_to<__int128>, std::hash<__int128>, 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:
 1725 |   struct _Hashtable_base
      |          ^~~~~~~~~~~~~~~
/usr/include/c++/10/bits/hashtable_policy.h:1725:10: error: use of deleted function 'std::__detail::_Hash_code_base<__int128, __int128, std::__detail::_Identity, std::hash<__int128>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>::~_Hash_code_base()'
/usr/include/c++/10/bits/hashtable_policy.h: In instantiation of 'std::__detail::_Hash_code_base<_Key, _Value, _ExtractKey, _H1, _H2, std::__detail::_Default_ranged_hash, true>::__hash_code std::__detail::_Hash_code_base<_Key, _Value, _ExtractKey, _H1, _H2, std::__detail::_Default_ranged_hash, true>::_M_hash_code(const _Key&) const [with _Key = __int128; _Value = __int128; _ExtractKey = std::__detail::_Identity; _H1 = std::hash<__int128>; _H2 = std::__detail::_Mod_range_hashing; std::__detail::_Hash_code_base<_Key, _Value, _ExtractKey, _H1, _H2, std::__detail::_Default_ranged_hash, true>::__hash_code = long unsigned int]':
/usr/include/c++/10/bits/hashtable.h:1452:46:   required from 'std::_Hashtable<_Key, _Value, _Alloc, _ExtractKey, _Equal, _H1, _H2, _Hash, _RehashPolicy, _Traits>::iterator std::_Hashtable<_Key, _Value, _Alloc, _ExtractKey, _Equal, _H1, _H2, _Hash, _RehashPolicy, _Traits>::find(const key_type&) [with _Key = __int128; _Value = __int128; _Alloc = std::allocator<__int128>; _ExtractKey = std::__detail::_Identity; _Equal = std::equal_to<__int128>; _H1 = std::hash<__int128>; _H2 = std::__detail::_Mod_range_hashing; _Hash = 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, _H1, _H2, _Hash, _RehashPolicy, _Traits>::iterator = std::__detail::_Hashtable_base<__int128, __int128, std::__detail::_Identity, std::equal_to<__int128>, std::hash<__int128>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, true, true> >::iterator; std::_Hashtable<_Key, _Value, _Alloc, _ExtractKey, _Equal, _H1, _H2, _Hash, _RehashPolicy, _Traits>::key_type = __int128]'
/usr/include/c++/10/bits/unordered_set.h:650:25:   required from 'std::unordered_set<_Value, _Hash, _Pred, _Alloc>::iterator std::unordered_set<_Value, _Hash, _Pred, _Alloc>::find(const key_type&) [with _Value = __int128; _Hash = std::hash<__int128>; _Pred = std::equal_to<__int128>; _Alloc = std::allocator<__int128>; std::unordered_set<_Value, _Hash, _Pred, _Alloc>::iterator = std::__detail::_Hashtable_base<__int128, __int128, std::__detail::_Identity, std::equal_to<__int128>, std::hash<__int128>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, true, true> >::iterator; std::unordered_set<_Value, _Hash, _Pred, _Alloc>::key_type = __int128]'
Main.cpp:87:19:   required from here
/usr/include/c++/10/bits/hashtable_policy.h:1377:16: error: static assertion failed: hash function must be invocable with an argument of key type
 1377 |  static_assert(__is_invocable<const _H1&, const _Key&>{},
      |                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/10/bits/hashtable_policy.h:1379:16: error: no match for call to '(const std::hash<__int128>) (const __int128&)'
 1379 |  return _M_h1()(__k);
      |         ~~~~~~~^~~~~
In file included from /usr/include/c++/10/unordered_map:46,
                 from /usr/include/c++/10/functional:61,
                 from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/10/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from Main.cpp:1:
/usr/include/c++/10/bits/hashtable.h: In instantiation of 'std::_Hashtable<_Key, _Value, _Alloc, _ExtractKey, _Equal, _H1, _H2, _Hash, _RehashPolicy, _Traits>::~_Hashtable() [with _Key = __int128; _Value = __int128; _Alloc = std::allocator<__int128>; _ExtractKey = std::__detail::_Identity; _Equal = std::equal_to<__int128>; _H1 = std::hash<__int128>; _H2 = std::__detail::_Mod_range_hashing; _Hash = std::__detail::_Default_ranged_hash; _RehashPolicy = std::__detail::_Prime_rehash_policy; _Traits = std::__detail::_Hashtable_traits<true, true, true>]':
/usr/include/c++/10/bits/unordered_set.h:97:11:   required from here
/usr/include/c++/10/bits/hashtable.h:1389:5: error: use of deleted function 'std::__detail::_Hashtable_base<__int128, __int128, std::__detail::_Identity, std::equal_to<__int128>, std::hash<__int128>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, true, true> >::~_Hashtable_base()'
 1389 |     }
      |     ^