Submission #496807

#	Time	Username	Problem	Language	Result	Execution time	Memory
496807		Ziel	Maxcomp (info1cup18_maxcomp)	C++17	Compilation error	0 ms	0 KiB

This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.

maxcomp

/** * LES GREATEABLES BRO TEAM **/ #include <bits/stdc++.h> using namespace std; using ll = long long; #define sz(x) (int)x.size() const bool FLAG = false; void setIO(const string &f = ""); string to_string(const string s) { return '"' + s + '"'; } string to_string(const char c) { return char(39) + string(1, c) + char(39); } string to_string(const char* s) { return to_string(string(s)); } string to_string(bool f) { return (f ? "true" : "false"); } template<class A, class B> string to_string(const pair<A, B> x) { return "(" + to_string(x.first) + ", " + to_string(x.second) + ")"; } template<class A, class B, class C> string to_string(const tuple<A, B, C> x) { return "(" + to_string(get<0>(x)) + ", " + to_string(get<1>(x)) + ", " + to_string(get<2>(x)) + ")"; } template<class A, class B, class C, class D> string to_string(const tuple<A, B, C, D> x) { return "(" + to_string(get<0>(x)) + ", " + to_string(get<1>(x)) + ", " + to_string(get<2>(x)) + ", " + to_string(get<3>(x)) + ")"; } template<class T> string to_string(const T v) { string res = "{"; bool f = true; for (auto x: v) res += (f ? to_string(x) : ", " + to_string(x)), f = false; return res + "}"; } void debug_args() { cerr << "]\n"; } template<class H, class... T> void debug_args(H x, T... y) { cerr << to_string(x); if (sizeof... (y)) cerr << ", "; debug_args(y...); } #ifdef LOCAL #define debug(...) cerr << "[" << #__VA_ARGS__ << "]: [", debug_args(__VA_ARGS__); #else #define debug(...) 47 #endif #define int ll ll dp[105][55][55], mx[105][55][55], mn[105][55][55], a[55][55]; unordered_set<pair<int, int>> was[105][55][55]; void solve() { int n, m; cin >> n >> m; for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) cin >> a[i][j]; memset(dp, -1, sizeof(dp)); auto relax = [](ll &x, ll y) { if (x < y) { x = y; return true; } return false; }; if (n != 1) { for (int k = 1; k <= n + m; k++) { for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) { if (k == 1) { mx[k][i][j] = a[i][j]; mn[k][i][j] = a[i][j]; dp[k][i][j] = mx[k][i][j] - mn[k][i][j] - k; was[k][i][j].insert({i, j}); } else { mx[k][i][j] = -1; mn[k][i][j] = -1; if (i - 1 >= 1 && mx[k - 1][i - 1][j] != -1 && mn[k - 1][i - 1][j] != -1 && !was[k - 1][i - 1][j].count({i, j}) && relax(dp[k][i][j], max(a[i][j], mx[k - 1][i - 1][j]) - min(a[i][j], mn[k - 1][i - 1][j]) - k)) { mx[k][i][j] = max(a[i][j], mx[k - 1][i - 1][j]); mn[k][i][j] = min(a[i][j], mn[k - 1][i - 1][j]); was[k][i][j] = was[k - 1][i - 1][j]; was[k][i][j].insert({i, j}); } if (j - 1 >= 1 && mx[k - 1][i][j - 1] != -1 && mn[k - 1][i][j - 1] != -1 && !was[k - 1][i][j - 1].count({i, j}) && relax(dp[k][i][j], max(a[i][j], mx[k - 1][i][j - 1]) - min(a[i][j], mn[k - 1][i][j - 1]) - k)) { mx[k][i][j] = max(a[i][j], mx[k - 1][i][j - 1]); mn[k][i][j] = min(a[i][j], mn[k - 1][i][j - 1]); was[k][i][j] = was[k - 1][i][j - 1]; was[k][i][j].insert({i, j}); } if (i + 1 <= n && mx[k - 1][i + 1][j] != -1 && mn[k - 1][i + 1][j] != -1 && !was[k - 1][i + 1][j].count({i, j}) && relax(dp[k][i][j], max(a[i][j], mx[k - 1][i + 1][j]) - min(a[i][j], mn[k - 1][i + 1][j]) - k)) { mx[k][i][j] = max(a[i][j], mx[k - 1][i + 1][j]); mn[k][i][j] = min(a[i][j], mn[k - 1][i + 1][j]); was[k][i][j] = was[k - 1][i + 1][j]; was[k][i][j].insert({i, j}); } if (j + 1 <= m && mx[k - 1][i][j + 1] != -1 && mn[k - 1][i][j + 1] != -1 && !was[k - 1][i][j + 1].count({i, j}) && relax(dp[k][i][j], max(a[i][j], mx[k - 1][i][j + 1]) - min(a[i][j], mn[k - 1][i][j + 1]) - k)) { mx[k][i][j] = max(a[i][j], mx[k - 1][i][j + 1]); mn[k][i][j] = min(a[i][j], mn[k - 1][i][j + 1]); was[k][i][j] = was[k - 1][i][j + 1]; was[k][i][j].insert({i, j}); } } } } } } else { for (int k = 1; k <= n + m; k++) { for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) { if (k == 1) { mx[k][i][j] = a[i][j]; mn[k][i][j] = a[i][j]; dp[k][i][j] = mx[k][i][j] - mn[k][i][j] - k; } else { mx[k][i][j] = -1; mn[k][i][j] = -1; if (i - 1 >= 1 && mx[k - 1][i - 1][j] != -1 && mn[k - 1][i - 1][j] != -1 && relax(dp[k][i][j], max(a[i][j], mx[k - 1][i - 1][j]) - min(a[i][j], mn[k - 1][i - 1][j]) - k)) { mx[k][i][j] = max(a[i][j], mx[k - 1][i - 1][j]); mn[k][i][j] = min(a[i][j], mn[k - 1][i - 1][j]); } if (j - 1 >= 1 && mx[k - 1][i][j - 1] != -1 && mn[k - 1][i][j - 1] != -1 && relax(dp[k][i][j], max(a[i][j], mx[k - 1][i][j - 1]) - min(a[i][j], mn[k - 1][i][j - 1]) - k)) { mx[k][i][j] = max(a[i][j], mx[k - 1][i][j - 1]); mn[k][i][j] = min(a[i][j], mn[k - 1][i][j - 1]); } } } } } } ll res = -1; for (int k = 1; k <= n + m; k++) { for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) { relax(res, dp[k][i][j]); } } } cout << res; } signed main() { setIO(); int tt = 1; if (FLAG) { cin >> tt; } while (tt--) { solve(); } return 0; } void setIO(const string &f) { ios_base::sync_with_stdio(false); cin.tie(nullptr); if (fopen((f + ".in").c_str(), "r")) { freopen((f + ".in").c_str(), "r", stdin); freopen((f + ".out").c_str(), "w", stdout); } }

Compilation message (stderr)

maxcomp.cpp:63:46: error: use of deleted function 'std::unordered_set<_Value, _Hash, _Pred, _Alloc>::unordered_set() [with _Value = std::pair<long long int, long long int>; _Hash = std::hash<std::pair<long long int, long long int> >; _Pred = std::equal_to<std::pair<long long int, long long int> >; _Alloc = std::allocator<std::pair<long long int, long long int> >]'
   63 | unordered_set<pair<int, int>> was[105][55][55];
      |                                              ^
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 maxcomp.cpp:5:
/usr/include/c++/10/bits/unordered_set.h:135:7: note: 'std::unordered_set<_Value, _Hash, _Pred, _Alloc>::unordered_set() [with _Value = std::pair<long long int, long long int>; _Hash = std::hash<std::pair<long long int, long long int> >; _Pred = std::equal_to<std::pair<long long int, long long int> >; _Alloc = std::allocator<std::pair<long long int, long long int> >]' 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 = std::pair<long long int, long long int>; _Value = std::pair<long long int, long long int>; _Alloc = std::allocator<std::pair<long long int, long long int> >; _ExtractKey = std::__detail::_Identity; _Equal = std::equal_to<std::pair<long long int, long long int> >; _H1 = std::hash<std::pair<long long int, long long int> >; _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 maxcomp.cpp:5:
/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 = std::pair<long long int, long long int>; _Value = std::pair<long long int, long long int>; _Alloc = std::allocator<std::pair<long long int, long long int> >; _ExtractKey = std::__detail::_Identity; _Equal = std::equal_to<std::pair<long long int, long long int> >; _H1 = std::hash<std::pair<long long int, long long int> >; _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 = std::pair<long long int, long long int>; _Value = std::pair<long long int, long long int>; _ExtractKey = std::__detail::_Identity; _Equal = std::equal_to<std::pair<long long int, long long int> >; _H1 = std::hash<std::pair<long long int, long long int> >; _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 maxcomp.cpp:5:
/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 = std::pair<long long int, long long int>; _Value = std::pair<long long int, long long int>; _ExtractKey = std::__detail::_Identity; _Equal = std::equal_to<std::pair<long long int, long long int> >; _H1 = std::hash<std::pair<long long int, long long int> >; _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 = std::pair<long long int, long long int>; _Value = std::pair<long long int, long long int>; _ExtractKey = std::__detail::_Identity; _H1 = std::hash<std::pair<long long int, long long int> >; _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 = std::pair<long long int, long long int>; _Value = std::pair<long long int, long long int>; _ExtractKey = std::__detail::_Identity; _H1 = std::hash<std::pair<long long int, long long int> >; _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<std::pair<long long int, long long int> >]'
/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<std::pair<long long int, long long int> >]' 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<std::pair<long long int, long long int> >::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 maxcomp.cpp:5:
/usr/include/c++/10/bits/functional_hash.h:101:12: note: 'std::hash<std::pair<long long int, long long int> >::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<std::pair<long long int, long long int>, 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 = std::pair<long long int, long long int>; 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 = std::pair<long long int, long long int>; 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 maxcomp.cpp:5:
/usr/include/c++/10/bits/hashtable_policy.h:1112:7: error: use of deleted function 'std::hash<std::pair<long long int, long long int> >::~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 maxcomp.cpp:5:
/usr/include/c++/10/bits/functional_hash.h:101:12: note: 'std::hash<std::pair<long long int, long long int> >::~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 = std::pair<long long int, long long int>; 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 maxcomp.cpp:5:
/usr/include/c++/10/bits/hashtable_policy.h:1368:7: error: use of deleted function 'std::__detail::_Hashtable_ebo_helper<1, std::hash<std::pair<long long int, long long int> >, 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<std::pair<long long int, long long int> >, 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<std::pair<long long int, long long int> >::~hash()'
/usr/include/c++/10/bits/hashtable_policy.h:1791:5: error: use of deleted function 'std::__detail::_Hash_code_base<std::pair<long long int, long long int>, std::pair<long long int, long long int>, std::__detail::_Identity, std::hash<std::pair<long long int, long long int> >, 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<std::pair<long long int, long long int>, std::pair<long long int, long long int>, std::__detail::_Identity, std::hash<std::pair<long long int, long long 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:
 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<std::pair<long long int, long long int> >, 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 maxcomp.cpp:5:
/usr/include/c++/10/bits/hashtable.h:451:7: error: use of deleted function 'std::__detail::_Hashtable_base<std::pair<long long int, long long int>, std::pair<long long int, long long int>, std::__detail::_Identity, std::equal_to<std::pair<long long int, long long int> >, std::hash<std::pair<long long int, long long int> >, 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 maxcomp.cpp:5:
/usr/include/c++/10/bits/hashtable_policy.h:1725:10: note: 'std::__detail::_Hashtable_base<std::pair<long long int, long long int>, std::pair<long long int, long long int>, std::__detail::_Identity, std::equal_to<std::pair<long long int, long long int> >, std::hash<std::pair<long long int, long long 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:
 1725 |   struct _Hashtable_base
      |          ^~~~~~~~~~~~~~~
/usr/include/c++/10/bits/hashtable_policy.h:1725:10: error: use of deleted function 'std::__detail::_Hash_code_base<std::pair<long long int, long long int>, std::pair<long long int, long long int>, std::__detail::_Identity, std::hash<std::pair<long long int, long long int> >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>::~_Hash_code_base()'
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 maxcomp.cpp:5:
/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 = std::pair<long long int, long long int>; _Value = std::pair<long long int, long long int>; _Alloc = std::allocator<std::pair<long long int, long long int> >; _ExtractKey = std::__detail::_Identity; _Equal = std::equal_to<std::pair<long long int, long long int> >; _H1 = std::hash<std::pair<long long int, long long int> >; _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<std::pair<long long int, long long int>, std::pair<long long int, long long int>, std::__detail::_Identity, std::equal_to<std::pair<long long int, long long int> >, std::hash<std::pair<long long int, long long int> >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, true, true> >::~_Hashtable_base()'
 1389 |     }
      |     ^
/usr/include/c++/10/bits/hashtable.h: In instantiation of 'std::_Hashtable<_Key, _Value, _Alloc, _ExtractKey, _Equal, _H1, _H2, _Hash, _RehashPolicy, _Traits>& std::_Hashtable<_Key, _Value, _Alloc, _ExtractKey, _Equal, _H1, _H2, _Hash, _RehashPolicy, _Traits>::operator=(const std::_Hashtable<_Key, _Value, _Alloc, _ExtractKey, _Equal, _H1, _H2, _Hash, _RehashPolicy, _Traits>&) [with _Key = std::pair<long long int, long long int>; _Value = std::pair<long long int, long long int>; _Alloc = std::allocator<std::pair<long long int, long long int> >; _ExtractKey = std::__detail::_Identity; _Equal = std::equal_to<std::pair<long long int, long long int> >; _H1 = std::hash<std::pair<long long int, long long int> >; _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:265:7:   required from here
/usr/include/c++/10/bits/hashtable.h:1066:35: error: use of deleted function 'std::__detail::_Hashtable_base<std::pair<long long int, long long int>, std::pair<long long int, long long int>, std::__detail::_Identity, std::equal_to<std::pair<long long int, long long int> >, std::hash<std::pair<long long int, long long int> >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, true, true> >& std::__detail::_Hashtable_base<std::pair<long long int, long long int>, std::pair<long long int, long long int>, std::__detail::_Identity, std::equal_to<std::pair<long long int, long long int> >, std::hash<std::pair<long long int, long long int> >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, true, true> >::operator=(const std::__detail::_Hashtable_base<std::pair<long long int, long long int>, std::pair<long long int, long long int>, std::__detail::_Identity, std::equal_to<std::pair<long long int, long long int> >, std::hash<std::pair<long long int, long long int> >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, true, true> >&)'
 1066 |        __hashtable_base::operator=(__ht);
      |        ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
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/