Submission #1193442

#	Time	Username	Problem	Language	Result	Execution time	Memory
1193442		zyntherix	Mountains (NOI20_mountains)	C++20	Compilation error	0 ms	0 KiB

Mountains

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pi pair<int, int>
#define vi vector<int>
#define vs vector<string>
#define vb vector<bool>
#define vpi vector<pi>
#define pb push_back
#define all(a) (a).begin(), (a).end()
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
template <class T>
using st = tree<T, null_type, less_equal<T>, rb_tree_tag, tree_order_statistics_node_update>;
const int mod = 1e9 + 7;

void solve()
{
    int n;
    cin >> n;
    int arr[n];
    for (int i = 0; i < n; i++)
    {
        cin >> arr[i];
    }
    int pref[n], suff[n];
    pref[0] = 0;
    st<int> ms, sm;
    ms.insert(arr[0]);
    for (int i = 1; i < n; i++)
    {
        pref[i] = ms.order_of_key(arr[i]);
        ms.insert(arr[i]);
    }
    suff[n - 1] = 0;
    sm.insert(arr[n - 1]);
    for (int i = n - 2; i >= 0; i--)
    {
        suff[i] = sm.order_of_key(arr[i]);
        sm.insert(arr[i]);
    }
    int ans = 0;
    for (int i = 0; i < n; i++)
    {
        ans = (pref[i] * suff[i]);
    }
    cout << ans << '\n';
}

signed main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(NULL);
    cout.tie(NULL);
    int t = 1;
    // cin >> t;
    while (t--)
    {
        solve();
    }
    return 0;
}

Compilation message (stderr)

In file included from /usr/include/c++/11/ext/pb_ds/detail/type_utils.hpp:47,
                 from /usr/include/c++/11/ext/pb_ds/tag_and_trait.hpp:46,
                 from /usr/include/c++/11/ext/pb_ds/assoc_container.hpp:46,
                 from Mountains.cpp:11:
/usr/include/c++/11/tr1/type_traits:121:3: error: redefinition of 'struct std::tr1::__is_integral_helper<long long int>'
  121 |   _DEFINE_SPEC(0, __is_integral_helper, long long, true)
      |   ^
/usr/include/c++/11/tr1/type_traits:117:3: note: previous definition of 'struct std::tr1::__is_integral_helper<long long int>'
  117 |   _DEFINE_SPEC(0, __is_integral_helper, int, true)
      |   ^
/usr/include/c++/11/tr1/type_traits:122:3: error: redefinition of 'struct std::tr1::__is_integral_helper<long long unsigned int>'
  122 |   _DEFINE_SPEC(0, __is_integral_helper, unsigned long long, true)
      |   ^
/usr/include/c++/11/tr1/type_traits:118:3: note: previous definition of 'struct std::tr1::__is_integral_helper<long long unsigned int>'
  118 |   _DEFINE_SPEC(0, __is_integral_helper, unsigned int, true)
      |   ^
/usr/include/c++/11/tr1/type_traits:549:3: error: redefinition of 'struct std::tr1::__is_signed_helper<long long int>'
  549 |   _DEFINE_SPEC(0, __is_signed_helper, long long, true)
      |   ^
/usr/include/c++/11/tr1/type_traits:547:3: note: previous definition of 'struct std::tr1::__is_signed_helper<long long int>'
  547 |   _DEFINE_SPEC(0, __is_signed_helper, int, true)
      |   ^
/usr/include/c++/11/tr1/type_traits:564:3: error: redefinition of 'struct std::tr1::__is_unsigned_helper<long long unsigned int>'
  564 |   _DEFINE_SPEC(0, __is_unsigned_helper, unsigned long long, true)
      |   ^
/usr/include/c++/11/tr1/type_traits:562:3: note: previous definition of 'struct std::tr1::__is_unsigned_helper<long long unsigned int>'
  562 |   _DEFINE_SPEC(0, __is_unsigned_helper, unsigned int, true)
      |   ^
In file included from /usr/include/c++/11/tr1/functional:41,
                 from /usr/include/c++/11/ext/pb_ds/detail/standard_policies.hpp:51,
                 from /usr/include/c++/11/ext/pb_ds/assoc_container.hpp:47,
                 from Mountains.cpp:11:
/usr/include/c++/11/tr1/functional_hash.h:75:3: error: redefinition of 'std::size_t std::tr1::hash<_Tp>::operator()(_Tp) const [with _Tp = long long int; std::size_t = long unsigned int]'
   75 |   _TR1_hashtable_define_trivial_hash(long long);
      |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/tr1/functional_hash.h:73:3: note: 'std::size_t std::tr1::hash<_Tp>::operator()(_Tp) const [with _Tp = long long int; std::size_t = long unsigned int]' previously declared here
   73 |   _TR1_hashtable_define_trivial_hash(int);
      |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/tr1/functional_hash.h:79:3: error: redefinition of 'std::size_t std::tr1::hash<_Tp>::operator()(_Tp) const [with _Tp = long long unsigned int; std::size_t = long unsigned int]'
   79 |   _TR1_hashtable_define_trivial_hash(unsigned long long);
      |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/tr1/functional_hash.h:77:3: note: 'std::size_t std::tr1::hash<_Tp>::operator()(_Tp) const [with _Tp = long long unsigned int; std::size_t = long unsigned int]' previously declared here
   77 |   _TR1_hashtable_define_trivial_hash(unsigned int);
      |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/ext/pb_ds/detail/bin_search_tree_/traits.hpp:44,
                 from /usr/include/c++/11/ext/pb_ds/detail/branch_policy/traits.hpp:45,
                 from /usr/include/c++/11/ext/pb_ds/assoc_container.hpp:49,
                 from Mountains.cpp:11:
/usr/include/c++/11/ext/pb_ds/detail/bin_search_tree_/point_iterators.hpp: In instantiation of 'class __gnu_pbds::detail::bin_search_tree_const_it_<__gnu_pbds::detail::rb_tree_node_<long long int, long unsigned int, std::allocator<char> >*, long long int, long long int*, const long long int*, long long int&, const long long int&, true, std::allocator<char> >':
/usr/include/c++/11/bits/iterator_concepts.h:349:11:   required by substitution of 'template<class _Iterator>  requires (__iter_without_nested_types<_Iterator>) && (__cpp17_iterator<_Iterator>) struct std::__iterator_traits<_Iter, void> [with _Iterator = __gnu_pbds::detail::bin_search_tree_const_it_<__gnu_pbds::detail::rb_tree_node_<long long int, long unsigned int, std::allocator<char> >*, long long int, long long int*, const long long int*, long long int&, const long long int&, true, std::allocator<char> >]'
/usr/include/c++/11/bits/stl_iterator_base_types.h:177:12:   required from 'struct std::iterator_traits<__gnu_pbds::detail::bin_search_tree_const_it_<__gnu_pbds::detail::rb_tree_node_<long long int, long unsigned int, std::allocator<char> >*, long long int, long long int*, const long long int*, long long int&, const long long int&, true, std::allocator<char> > >'
/usr/include/c++/11/ext/pb_ds/detail/branch_policy/branch_policy.hpp:93:68:   required from 'struct __gnu_pbds::detail::branch_policy<__gnu_pbds::detail::bin_search_tree_const_node_it_<__gnu_pbds::detail::rb_tree_node_<long long int, long unsigned int, std::allocator<char> >, __gnu_pbds::detail::bin_search_tree_const_it_<__gnu_pbds::detail::rb_tree_node_<long long int, long unsigned int, std::allocator<char> >*, long long int, long long int*, const long long int*, long long int&, const long long int&, true, std::allocator<char> >, __gnu_pbds::detail::bin_search_tree_const_it_<__gnu_pbds::detail::rb_tree_node_<long long int, long unsigned int, std::allocator<char> >*, long long int, long long int*, const long long int*, long long int&, const long long int&, true, std::allocator<char> >, std::allocator<char> >, __gnu_pbds::detail::bin_search_tree_const_node_it_<__gnu_pbds::detail::rb_tree_node_<long long int, long unsigned int, std::allocator<char> >, __gnu_pbds::detail::bin_search_tree_const_it_<__gnu_pbds::detail::rb_tree_node_<long long int, long unsigned int, std::allocator<char> >*, long long int, long long int*, const long long int*, long long int&, const long long int&, true, std::allocator<char> >, __gnu_pbds::detail::bin_search_tree_const_it_<__gnu_pbds::detail::rb_tree_node_<long long int, long unsigned int, std::allocator<char> >*, long long int, long long int*, const long long int*, long long int&, const long long int&, true, std::allocator<char> >, std::allocator<char> >, std::allocator<char> >'
/usr/include/c++/11/ext/pb_ds/tree_policy.hpp:64:9:   required from 'class __gnu_pbds::tree_order_statistics_node_update<__gnu_pbds::detail::bin_search_tree_const_node_it_<__gnu_pbds::detail::rb_tree_node_<long long int, long unsigned int, std::allocator<char> >, __gnu_pbds::detail::bin_search_tree_const_it_<__gnu_pbds::detail::rb_tree_node_<long long int, long unsigned int, std::allocator<char> >*, long long int, long long int*, const long long int*, long long int&, const long long int&, true, std::allocator<char> >, __gnu_pbds::detail::bin_search_tree_const_it_<__gnu_pbds::detail::rb_tree_node_<long long int, long unsigned int, std::allocator<char> >*, long long int, long long int*, const long long int*, long long int&, const long long int&, true, std::allocator<char> >, std::allocator<char> >, __gnu_pbds::detail::bin_search_tree_const_node_it_<__gnu_pbds::detail::rb_tree_node_<long long int, long unsigned int, std::allocator<char> >, __gnu_pbds::detail::bin_search_tree_const_it_<__gnu_pbds::detail::rb_tree_node_<long long int, long unsigned int, std::allocator<char> >*, long long int, long long int*, const long long int*, long long int&, const long long int&, true, std::allocator<char> >, __gnu_pbds::detail::bin_search_tree_const_it_<__gnu_pbds::detail::rb_tree_node_<long long int, long unsigned int, std::allocator<char> >*, long long int, long long int*, const long long int*, long long int&, const long long int&, true, std::allocator<char> >, std::allocator<char> >, std::less_equal<long long int>, std::allocator<char> >'
/usr/include/c++/11/ext/pb_ds/detail/bin_search_tree_/bin_search_tree_.hpp:99:11:   required from 'class __gnu_pbds::detail::bin_search_tree_set<long long int, __gnu_pbds::null_type, std::less_equal<long long int>, __gnu_pbds::detail::tree_traits<long long int, __gnu_pbds::null_type, std::less_equal<long long int>, __gnu_pbds::tree_order_statistics_node_update, __gnu_pbds::rb_tree_tag, std::allocator<char> >, std::allocator<char> >'
/usr/include/c++/11/ext/pb_ds/detail/rb_tree_map_/rb_tree_.hpp:84:11:   required from 'class __gnu_pbds::detail::rb_tree_set<long long int, __gnu_pbds::null_type, std::less_equal<long long int>, __gnu_pbds::detail::tree_traits<long long int, __gnu_pbds::null_type, std::less_equal<long long int>, __gnu_pbds::tree_order_statistics_node_update, __gnu_pbds::rb_tree_tag, std::allocator<char> >, std::allocator<char> >'
/usr/include/c++/11/ext/pb_ds/assoc_container.hpp:555:9:   required from 'class __gnu_pbds::basic_branch<long long int, __gnu_pbds::null_type, __gnu_pbds::rb_tree_tag, __gnu_pbds::tree_order_statistics_node_update<__gnu_pbds::detail::bin_search_tree_const_node_it_<__gnu_pbds::detail::rb_tree_node_<long long int, long unsigned int, std::allocator<char> >, __gnu_pbds::detail::bin_search_tree_const_it_<__gnu_pbds::detail::rb_tree_node_<long long int, long unsigned int, std::allocator<char> >*, long long int, long long int*, const long long int*, long long int&, const long long int&, true, std::allocator<char> >, __gnu_pbds::detail::bin_search_tree_const_it_<__gnu_pbds::detail::rb_tree_node_<long long int, long unsigned int, std::allocator<char> >*, long long int, long long int*, const long long int*, long long int&, const long long int&, true, std::allocator<char> >, std::allocator<char> >, __gnu_pbds::detail::bin_search_tree_const_node_it_<__gnu_pbds::detail::rb_tree_node_<long long int, long unsigned int, std::allocator<char> >, __gnu_pbds::detail::bin_search_tree_const_it_<__gnu_pbds::detail::rb_tree_node_<long long int, long unsigned int, std::allocator<char> >*, long long int, long long int*, const long long int*, long long int&, const long long int&, true, std::allocator<char> >, __gnu_pbds::detail::bin_search_tree_const_it_<__gnu_pbds::detail::rb_tree_node_<long long int, long unsigned int, std::allocator<char> >*, long long int, long long int*, const long long int*, long long int&, const long long int&, true, std::allocator<char> >, std::allocator<char> >, std::less_equal<long long int>, std::allocator<char> >, __gnu_cxx::typelist::node<__gnu_cxx::typelist::chain<std::less_equal<long long int>, __gnu_cxx::typelist::chain<__gnu_pbds::detail::tree_traits<long long int, __gnu_pbds::null_type, std::less_equal<long long int>, __gnu_pbds::tree_order_statistics_node_update, __gnu_pbds::rb_tree_tag, std::allocator<char> >, __gnu_cxx::typelist::null_type> > >, std::allocator<char> >'
/usr/include/c++/11/ext/pb_ds/assoc_container.hpp:635:9:   required from 'class __gnu_pbds::tree<long long int, __gnu_pbds::null_type, std::less_equal<long long int>, __gnu_pbds::rb_tree_tag, __gnu_pbds::tree_order_statistics_node_update, std::allocator<char> >'
Mountains.cpp:29:13:   required from here
/usr/include/c++/11/ext/pb_ds/detail/bin_search_tree_/point_iterators.hpp:181:7: error: postfix '__gnu_pbds::detail::bin_search_tree_const_it_<Node_Pointer, Value_Type, Pointer, Const_Pointer, Reference, Const_Reference, Is_Forward_Iterator, _Alloc> __gnu_pbds::detail::bin_search_tree_const_it_<Node_Pointer, Value_Type, Pointer, Const_Pointer, Reference, Const_Reference, Is_Forward_Iterator, _Alloc>::operator++(long long int) [with Node_Pointer = __gnu_pbds::detail::rb_tree_node_<long long int, long unsigned int, std::allocator<char> >*; Value_Type = long long int; Pointer = long long int*; Const_Pointer = const long long int*; Reference = long long int&; Const_Reference = const long long int&; bool Is_Forward_Iterator = true; _Alloc = std::allocator<char>]' must have 'int' as its argument
  181 |       operator++(int)
      |       ^~~~~~~~
/usr/include/c++/11/ext/pb_ds/detail/bin_search_tree_/point_iterators.hpp:196:7: error: postfix '__gnu_pbds::detail::bin_search_tree_const_it_<Node_Pointer, Value_Type, Pointer, Const_Pointer, Reference, Const_Reference, Is_Forward_Iterator, _Alloc> __gnu_pbds::detail::bin_search_tree_const_it_<Node_Pointer, Value_Type, Pointer, Const_Pointer, Reference, Const_Reference, Is_Forward_Iterator, _Alloc>::operator--(long long int) [with Node_Pointer = __gnu_pbds::detail::rb_tree_node_<long long int, long unsigned int, std::allocator<char> >*; Value_Type = long long int; Pointer = long long int*; Const_Pointer = const long long int*; Reference = long long int&; Const_Reference = const long long int&; bool Is_Forward_Iterator = true; _Alloc = std::allocator<char>]' must have 'int' as its argument
  196 |       operator--(int)
      |       ^~~~~~~~
/usr/include/c++/11/ext/pb_ds/detail/bin_search_tree_/point_iterators.hpp: In instantiation of 'class __gnu_pbds::detail::bin_search_tree_const_it_<__gnu_pbds::detail::rb_tree_node_<long long int, long unsigned int, std::allocator<char> >*, long long int, long long int*, const long long int*, long long int&, const long long int&, false, std::allocator<char> >':
/usr/include/c++/11/type_traits:1102:30:   required from 'struct std::__is_copy_assignable_impl<__gnu_pbds::detail::bin_search_tree_const_it_<__gnu_pbds::detail::rb_tree_node_<long long int, long unsigned int, std::allocator<char> >*, long long int, long long int*, const long long int*, long long int&, const long long int&, true, std::allocator<char> >, true>'
/usr/include/c++/11/type_traits:1107:12:   required from 'struct std::is_copy_assignable<__gnu_pbds::detail::bin_search_tree_const_it_<__gnu_pbds::detail::rb_tree_node_<long long int, long unsigned int, std::allocator<char> >*, long long int, long long int*, const long long int*, long long int&, const long long int&, true, std::allocator<char> > >'
/usr/include/c++/11/type_traits:152:12:   required from 'struct std::__and_<std::is_copy_assignable<__gnu_pbds::detail::bin_search_tree_const_it_<__gnu_pbds::detail::rb_tree_node_<long long int, long unsigned int, std::allocator<char> >*, long long int, long long int*, const long long int*, long long int&, const long long int&, true, std::allocator<char> > >, std::is_copy_assignable<bool> >'
/usr/include/c++/11/bits/stl_pair.h:390:7:   required from 'struct std::pair<__gnu_pbds::detail::bin_search_tree_const_it_<__gnu_pbds::detail::rb_tree_node_<long long int, long unsigned int, std::allocator<char> >*, long long int, long long int*, const long long int*, long long int&, const long long int&, true, std::allocator<char> >, bool>'
Mountains.cpp:30:14:   required from here
/usr/include/c++/11/ext/pb_ds/detail/bin_search_tree_/point_iterators.hpp:181:7: error: postfix '__gnu_pbds::detail::bin_search_tree_const_it_<Node_Pointer, Value_Type, Pointer, Const_Pointer, Reference, Const_Reference, Is_Forward_Iterator, _Alloc> __gnu_pbds::detail::bin_search_tree_const_it_<Node_Pointer, Value_Type, Pointer, Const_Pointer, Reference, Const_Reference, Is_Forward_Iterator, _Alloc>::operator++(long long int) [with Node_Pointer = __gnu_pbds::detail::rb_tree_node_<long long int, long unsigned int, std::allocator<char> >*; Value_Type = long long int; Pointer = long long int*; Const_Pointer = const long long int*; Reference = long long int&; Const_Reference = const long long int&; bool Is_Forward_Iterator = false; _Alloc = std::allocator<char>]' must have 'int' as its argument
  181 |       operator++(int)
      |       ^~~~~~~~
/usr/include/c++/11/ext/pb_ds/detail/bin_search_tree_/point_iterators.hpp:196:7: error: postfix '__gnu_pbds::detail::bin_search_tree_const_it_<Node_Pointer, Value_Type, Pointer, Const_Pointer, Reference, Const_Reference, Is_Forward_Iterator, _Alloc> __gnu_pbds::detail::bin_search_tree_const_it_<Node_Pointer, Value_Type, Pointer, Const_Pointer, Reference, Const_Reference, Is_Forward_Iterator, _Alloc>::operator--(long long int) [with Node_Pointer = __gnu_pbds::detail::rb_tree_node_<long long int, long unsigned int, std::allocator<char> >*; Value_Type = long long int; Pointer = long long int*; Const_Pointer = const long long int*; Reference = long long int&; Const_Reference = const long long int&; bool Is_Forward_Iterator = false; _Alloc = std::allocator<char>]' must have 'int' as its argument
  196 |       operator--(int)
      |       ^~~~~~~~