Submission #845960

# Submission time Handle Problem Language Result Execution time Memory
845960 2023-09-07T01:00:32 Z Quadrilateral Passport (JOI23_passport) C++14
Compilation error
0 ms 0 KB
#include <iostream>
#include <fstream>
#include <vector>
#include <algorithm>
#include <queue>
#include <unordered_map>
#define MAXN 202020
using namespace std;

int N;

struct pass {
	int L, R;
};

vector<pass> passport;
int Q, ans[MAXN];
int queries[MAXN];
unordered_map<pair<int, int>, int> mp;

void fastIO() {
	ios_base::sync_with_stdio(0); cin.tie(0);
}

void input() {
	cin >> N;
	passport.resize(N + 1);
	for (int i = 1; i <= N; i++)
		cin >> passport[i].L >> passport[i].R;
	cin >> Q;
	for (int i = 1; i <= Q; i++)
		cin >> queries[i];
}

void init() {
	for (int i = 1; i <= N; i++)
		ans[i] = -1;
}

typedef pair<pair<int, int>, int> ppii;

pair<int, int> rangesum(int i, int l, int r) {
	return { min(passport[i].L, l), max(passport[i].R, r) };
}

void solve() {
	queue<ppii> BFS;
	BFS.push({ { queries[1], queries[1]}, 0 });
	while (BFS.front().second < N) {
		ppii tmp = BFS.front();
		mp[tmp.first] = tmp.second;
		BFS.pop();
		if (tmp.first.first == 1 && tmp.first.second == N) {
			ans[queries[1]] = tmp.second;
			break;
		}
		for (int i = tmp.first.first; i <= tmp.first.second; i++) {
			pair<int, int> tmprange = rangesum(i, tmp.first.first, tmp.first.second);
			if (tmprange.first == tmp.first.first && tmprange.second == tmp.first.second) continue;
			if (mp[tmprange] <= tmp.second + 1) continue;
			BFS.push({ tmprange, tmp.second + 1 });
		}
	}
}

void output() {
	for (int i = 1; i <= Q; i++)
		cout << ans[queries[i]] << '\n';
}

int main() {
	fastIO();
	input();
	solve();
	output();
	return 0;
}

Compilation message

passport.cpp:19:36: error: use of deleted function 'std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_map() [with _Key = std::pair<int, int>; _Tp = int; _Hash = std::hash<std::pair<int, int> >; _Pred = std::equal_to<std::pair<int, int> >; _Alloc = std::allocator<std::pair<const std::pair<int, int>, int> >]'
   19 | unordered_map<pair<int, int>, int> mp;
      |                                    ^~
In file included from /usr/include/c++/10/unordered_map:47,
                 from passport.cpp:6:
/usr/include/c++/10/bits/unordered_map.h:141:7: note: 'std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_map() [with _Key = std::pair<int, int>; _Tp = int; _Hash = std::hash<std::pair<int, int> >; _Pred = std::equal_to<std::pair<int, int> >; _Alloc = std::allocator<std::pair<const std::pair<int, int>, int> >]' is implicitly deleted because the default definition would be ill-formed:
  141 |       unordered_map() = default;
      |       ^~~~~~~~~~~~~
/usr/include/c++/10/bits/unordered_map.h:141:7: error: use of deleted function 'std::_Hashtable<_Key, _Value, _Alloc, _ExtractKey, _Equal, _H1, _H2, _Hash, _RehashPolicy, _Traits>::_Hashtable() [with _Key = std::pair<int, int>; _Value = std::pair<const std::pair<int, int>, int>; _Alloc = std::allocator<std::pair<const std::pair<int, int>, int> >; _ExtractKey = std::__detail::_Select1st; _Equal = std::equal_to<std::pair<int, int> >; _H1 = std::hash<std::pair<int, 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, false, true>]'
In file included from /usr/include/c++/10/unordered_map:46,
                 from passport.cpp:6:
/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<int, int>; _Value = std::pair<const std::pair<int, int>, int>; _Alloc = std::allocator<std::pair<const std::pair<int, int>, int> >; _ExtractKey = std::__detail::_Select1st; _Equal = std::equal_to<std::pair<int, int> >; _H1 = std::hash<std::pair<int, 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, false, 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<int, int>; _Value = std::pair<const std::pair<int, int>, int>; _ExtractKey = std::__detail::_Select1st; _Equal = std::equal_to<std::pair<int, int> >; _H1 = std::hash<std::pair<int, int> >; _H2 = std::__detail::_Mod_range_hashing; _Hash = std::__detail::_Default_ranged_hash; _Traits = std::__detail::_Hashtable_traits<true, false, true>]'
In file included from /usr/include/c++/10/bits/hashtable.h:35,
                 from /usr/include/c++/10/unordered_map:46,
                 from passport.cpp:6:
/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<int, int>; _Value = std::pair<const std::pair<int, int>, int>; _ExtractKey = std::__detail::_Select1st; _Equal = std::equal_to<std::pair<int, int> >; _H1 = std::hash<std::pair<int, int> >; _H2 = std::__detail::_Mod_range_hashing; _Hash = std::__detail::_Default_ranged_hash; _Traits = std::__detail::_Hashtable_traits<true, false, 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<int, int>; _Value = std::pair<const std::pair<int, int>, int>; _ExtractKey = std::__detail::_Select1st; _H1 = std::hash<std::pair<int, 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<int, int>; _Value = std::pair<const std::pair<int, int>, int>; _ExtractKey = std::__detail::_Select1st; _H1 = std::hash<std::pair<int, 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<int, 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<int, 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<int, int> >::hash()'
In file included from /usr/include/c++/10/bits/basic_string.h:6787,
                 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/ostream:38,
                 from /usr/include/c++/10/iostream:39,
                 from passport.cpp:1:
/usr/include/c++/10/bits/functional_hash.h:101:12: note: 'std::hash<std::pair<int, 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<int, 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<int, 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<int, 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 passport.cpp:6:
/usr/include/c++/10/bits/hashtable_policy.h:1112:7: error: use of deleted function 'std::hash<std::pair<int, int> >::~hash()'
 1112 |       _Hashtable_ebo_helper() = default;
      |       ^~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/10/bits/basic_string.h:6787,
                 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/ostream:38,
                 from /usr/include/c++/10/iostream:39,
                 from passport.cpp:1:
/usr/include/c++/10/bits/functional_hash.h:101:12: note: 'std::hash<std::pair<int, 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<int, 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 passport.cpp:6:
/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<int, 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<int, 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<int, int> >::~hash()'
/usr/include/c++/10/bits/hashtable_policy.h:1791:5: error: use of deleted function 'std::__detail::_Hash_code_base<std::pair<int, int>, std::pair<const std::pair<int, int>, int>, std::__detail::_Select1st, std::hash<std::pair<int, 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<int, int>, std::pair<const std::pair<int, int>, int>, std::__detail::_Select1st, std::hash<std::pair<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:
 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<int, int> >, true>::~_Hashtable_ebo_helper()'
In file included from /usr/include/c++/10/unordered_map:46,
                 from passport.cpp:6:
/usr/include/c++/10/bits/hashtable.h:451:7: error: use of deleted function 'std::__detail::_Hashtable_base<std::pair<int, int>, std::pair<const std::pair<int, int>, int>, std::__detail::_Select1st, std::equal_to<std::pair<int, int> >, std::hash<std::pair<int, int> >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, 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 passport.cpp:6:
/usr/include/c++/10/bits/hashtable_policy.h:1725:10: note: 'std::__detail::_Hashtable_base<std::pair<int, int>, std::pair<const std::pair<int, int>, int>, std::__detail::_Select1st, std::equal_to<std::pair<int, int> >, std::hash<std::pair<int, int> >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, 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<int, int>, std::pair<const std::pair<int, int>, int>, std::__detail::_Select1st, std::hash<std::pair<int, int> >, 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 = std::pair<int, int>; _Value = std::pair<const std::pair<int, int>, int>; _ExtractKey = std::__detail::_Select1st; _H1 = std::hash<std::pair<int, int> >; _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_policy.h:707:45:   required from 'std::__detail::_Map_base<_Key, _Pair, _Alloc, std::__detail::_Select1st, _Equal, _H1, _H2, _Hash, _RehashPolicy, _Traits, true>::mapped_type& std::__detail::_Map_base<_Key, _Pair, _Alloc, std::__detail::_Select1st, _Equal, _H1, _H2, _Hash, _RehashPolicy, _Traits, true>::operator[](const key_type&) [with _Key = std::pair<int, int>; _Pair = std::pair<const std::pair<int, int>, int>; _Alloc = std::allocator<std::pair<const std::pair<int, int>, int> >; _Equal = std::equal_to<std::pair<int, int> >; _H1 = std::hash<std::pair<int, 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, false, true>; std::__detail::_Map_base<_Key, _Pair, _Alloc, std::__detail::_Select1st, _Equal, _H1, _H2, _Hash, _RehashPolicy, _Traits, true>::mapped_type = int; std::__detail::_Map_base<_Key, _Pair, _Alloc, std::__detail::_Select1st, _Equal, _H1, _H2, _Hash, _RehashPolicy, _Traits, true>::key_type = std::pair<int, int>]'
/usr/include/c++/10/bits/unordered_map.h:984:20:   required from 'std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::mapped_type& std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::operator[](const key_type&) [with _Key = std::pair<int, int>; _Tp = int; _Hash = std::hash<std::pair<int, int> >; _Pred = std::equal_to<std::pair<int, int> >; _Alloc = std::allocator<std::pair<const std::pair<int, int>, int> >; std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::mapped_type = int; std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::key_type = std::pair<int, int>]'
passport.cpp:51:15:   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<std::pair<int, int> >) (const std::pair<int, int>&)'
 1379 |  return _M_h1()(__k);
      |         ~~~~~~~^~~~~
In file included from /usr/include/c++/10/unordered_map:46,
                 from passport.cpp:6:
/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<int, int>; _Value = std::pair<const std::pair<int, int>, int>; _Alloc = std::allocator<std::pair<const std::pair<int, int>, int> >; _ExtractKey = std::__detail::_Select1st; _Equal = std::equal_to<std::pair<int, int> >; _H1 = std::hash<std::pair<int, 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, false, true>]':
/usr/include/c++/10/bits/unordered_map.h:102:11:   required from here
/usr/include/c++/10/bits/hashtable.h:1389:5: error: use of deleted function 'std::__detail::_Hashtable_base<std::pair<int, int>, std::pair<const std::pair<int, int>, int>, std::__detail::_Select1st, std::equal_to<std::pair<int, int> >, std::hash<std::pair<int, int> >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >::~_Hashtable_base()'
 1389 |     }
      |     ^