answer.code: In function ‘int main()’:
answer.code:140:14: warning: structured bindings only available with ‘-std=c++17’ or ‘-std=gnu++17’ [-Wc++17-extensions]
  140 |         auto [nw, v] = q.front(); q.pop();
      |              ^
answer.code:153:28: error: no matching function for call to ‘std::vector<std::array<int, 5> >::push_back(<brace-enclosed initializer list>)’
  153 |                 v.push_back({0, i, j, 3-i, 3-j});
      |                 ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/13/vector:66,
                 from answer.code:2:
/usr/include/c++/13/bits/stl_vector.h:1278:7: note: candidate: ‘void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = std::array<int, 5>; _Alloc = std::allocator<std::array<int, 5> >; value_type = std::array<int, 5>]’
 1278 |       push_back(const value_type& __x)
      |       ^~~~~~~~~
/usr/include/c++/13/bits/stl_vector.h:1278:35: note:   no known conversion for argument 1 from ‘<brace-enclosed initializer list>’ to ‘const std::vector<std::array<int, 5> >::value_type&’ {aka ‘const std::array<int, 5>&’}
 1278 |       push_back(const value_type& __x)
      |                 ~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/13/bits/stl_vector.h:1295:7: note: candidate: ‘void std::vector<_Tp, _Alloc>::push_back(value_type&&) [with _Tp = std::array<int, 5>; _Alloc = std::allocator<std::array<int, 5> >; value_type = std::array<int, 5>]’
 1295 |       push_back(value_type&& __x)
      |       ^~~~~~~~~
/usr/include/c++/13/bits/stl_vector.h:1295:30: note:   no known conversion for argument 1 from ‘<brace-enclosed initializer list>’ to ‘std::vector<std::array<int, 5> >::value_type&&’ {aka ‘std::array<int, 5>&&’}
 1295 |       push_back(value_type&& __x)
      |                 ~~~~~~~~~~~~~^~~
answer.code:164:28: error: no matching function for call to ‘std::vector<std::array<int, 5> >::push_back(<brace-enclosed initializer list>)’
  164 |                 v.push_back({1, i, j, 3-i, 3-j});
      |                 ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/13/bits/stl_vector.h:1278:7: note: candidate: ‘void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = std::array<int, 5>; _Alloc = std::allocator<std::array<int, 5> >; value_type = std::array<int, 5>]’
 1278 |       push_back(const value_type& __x)
      |       ^~~~~~~~~
/usr/include/c++/13/bits/stl_vector.h:1278:35: note:   no known conversion for argument 1 from ‘<brace-enclosed initializer list>’ to ‘const std::vector<std::array<int, 5> >::value_type&’ {aka ‘const std::array<int, 5>&’}
 1278 |       push_back(const value_type& __x)
      |                 ~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/13/bits/stl_vector.h:1295:7: note: candidate: ‘void std::vector<_Tp, _Alloc>::push_back(value_type&&) [with _Tp = std::array<int, 5>; _Alloc = std::allocator<std::array<int, 5> >; value_type = std::array<int, 5>]’
 1295 |       push_back(value_type&& __x)
      |       ^~~~~~~~~
/usr/include/c++/13/bits/stl_vector.h:1295:30: note:   no known conversion for argument 1 from ‘<brace-enclosed initializer list>’ to ‘std::vector<std::array<int, 5> >::value_type&&’ {aka ‘std::array<int, 5>&&’}
 1295 |       push_back(value_type&& __x)
      |                 ~~~~~~~~~~~~~^~~
answer.code:175:14: warning: structured bindings only available with ‘-std=c++17’ or ‘-std=gnu++17’ [-Wc++17-extensions]
  175 |     for(auto [op, x, y, x2, y2]: res)
      |              ^
answer.code:175:14: error: deduced type ‘std::array<int, 5>’ for ‘<structured bindings>’ is incomplete
  175 |     for(auto [op, x, y, x2, y2]: res)
      |              ^~~~~~~~~~~~~~~~~~
In file included from answer.code:3:
/usr/include/c++/13/tuple:2005:45: note: declaration of ‘struct std::array<int, 5>’
 2005 |   template<typename _Tp, size_t _Nm> struct array;
      |                                             ^~~~~
answer.code:189:14: warning: structured bindings only available with ‘-std=c++17’ or ‘-std=gnu++17’ [-Wc++17-extensions]
  189 |     for(auto [x, y]: ans) cout << x << " " << y << endl;
      |              ^
/usr/include/c++/13/bits/stl_vector.h: In instantiation of ‘std::_Vector_base<_Tp, _Alloc>::~_Vector_base() [with _Tp = std::array<int, 5>; _Alloc = std::allocator<std::array<int, 5> >]’:
/usr/include/c++/13/bits/stl_vector.h:528:7:   required from here
/usr/include/c++/13/bits/stl_vector.h:367:49: error: invalid use of incomplete type ‘struct std::array<int, 5>’
  367 |                       _M_impl._M_end_of_storage - _M_impl._M_start);
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
/usr/include/c++/13/tuple:2005:45: note: declaration of ‘struct std::array<int, 5>’
 2005 |   template<typename _Tp, size_t _Nm> struct array;
      |                                             ^~~~~
In file included from /usr/include/c++/13/vector:72:
/usr/include/c++/13/bits/vector.tcc: In instantiation of ‘std::vector<_Tp, _Alloc>& std::vector<_Tp, _Alloc>::operator=(const std::vector<...