Language: C++

#include <bits/stdc++.h>
using namespace std;
using ll = long long; // ll は long long　と同じとする。
int main() {
    int N;
    cin >> N;
    int P[N];
    int Q[N];
    int R[N];
    for(int i = 0; i < N; i++){
        cin >> P[i];
    }
    for(int i = 0; i < N; i++){
        cin >> Q[i];
    }
    r = min(P , Q);
    p = max(P , Q);
    int ans = 0;
    while(r != p) {
        next_permutation(R.begin(),R.end());
        ans++;
    }
    cout << ans << endl;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:16:5: error: 'r' was not declared in this scope
   16 |     r = min(P , Q);
      |     ^
a.cc:16:12: error: no matching function for call to 'min(int [N], int [N])'
   16 |     r = min(P , Q);
      |         ~~~^~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:233:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:233:5: note:   template argument deduction/substitution failed:
a.cc:16:12: note:   variable-sized array type 'int [N]' is not a valid template argument
   16 |     r = min(P , Q);
      |         ~~~^~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5686:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(initializer_list<_Tp>)'
 5686 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5686:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(initializer_list<_Tp>, _Compare)'
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5696:5: note:   template argument deduction/substitution failed:
a.cc:16:12: note:   mismatched types 'std::initializer_list<_Tp>' and 'int*'
   16 |     r = min(P , Q);
      |         ~~~^~~~~~~
a.cc:17:5: error: 'p' was not declared in this scope
   17 |     p = max(P , Q);
      |     ^
a.cc:17:12: error: no matching function for call to 'max(int [N], int [N])'
   17 |     p = max(P , Q);
      |         ~~~^~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   template argument deduction/substitution failed:
a.cc:17:12: note:   variable-sized array type 'int [N]' is not a valid template argument
   17 |     p = max(P , Q);
      |         ~~~^~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5706:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5706 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5706:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)'
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5716:5: note:   template argument deduction/substitution failed:
a.cc:17:12: note:   mismatched types 'std::initializer_list<_Tp>' and 'int*'
   17 |     p = max(P , Q);
      |         ~~~^~~~~~~
a.cc:20:28: error: request for member 'begin' in 'R', which is of non-class type 'int [N]'
   20 |         next_permutation(R.begin(),R.end());
      |                            ^~~~~
a.cc:20:38: error: request for member 'end' in 'R', which is of non-class type 'int [N]'
   20 |         next_permutation(R.begin(),R.end());
      |                                      ^~~