answer.code:1:8: error: ‘iostream’ was not declared in this scope
    1 | nclude<iostream>
      |        ^~~~~~~~
answer.code:1:8: error: ‘iostream’ was not declared in this scope
answer.code:1:8: error: ‘iostream’ was not declared in this scope
answer.code:1:8: error: ‘iostream’ was not declared in this scope
answer.code:1:8: error: ‘iostream’ was not declared in this scope
answer.code:1:8: error: ‘iostream’ was not declared in this scope
answer.code:1:8: error: ‘iostream’ was not declared in this scope
answer.code:1:8: error: ‘iostream’ was not declared in this scope
answer.code:1:8: error: ‘iostream’ was not declared in this scope
answer.code:1:1: error: ‘nclude’ does not name a type
    1 | nclude<iostream>
      | ^~~~~~
In file included from /usr/include/c++/11/bits/move.h:57,
                 from /usr/include/c++/11/bits/stl_pair.h:59,
                 from /usr/include/c++/11/utility:70,
                 from /usr/include/c++/11/algorithm:60,
                 from answer.code:2:
/usr/include/c++/11/type_traits:227:27: error: ‘size_t’ has not been declared
  227 |   template <typename _Tp, size_t = sizeof(_Tp)>
      |                           ^~~~~~
/usr/include/c++/11/type_traits:431:26: error: ‘std::size_t’ has not been declared
  431 |   template<typename _Tp, std::size_t _Size>
      |                          ^~~
/usr/include/c++/11/type_traits:432:25: error: ‘_Size’ was not declared in this scope
  432 |     struct is_array<_Tp[_Size]>
      |                         ^~~~~
/usr/include/c++/11/type_traits:432:31: error: template argument 1 is invalid
  432 |     struct is_array<_Tp[_Size]>
      |                               ^
/usr/include/c++/11/type_traits:537:42: error: ‘nullptr_t’ is not a member of ‘std’
  537 |     struct __is_null_pointer_helper<std::nullptr_t>
      |                                          ^~~~~~~~~
/usr/include/c++/11/type_traits:537:51: error: template argument 1 is invalid
  537 |     struct __is_null_pointer_helper<std::nullptr_t>
      |                                                   ^
/usr/include/c++/11/type_traits:1361:37: error: ‘size_t’ is not a member of ‘std’
 1361 |     : public integral_constant<std::size_t, alignof(_Tp)>
      |                                     ^~~~~~
/usr/include/c++/11/type_traits:1361:57: error: template argument 1 is invalid
 1361 |     : public integral_constant<std::size_t, alignof(_Tp)>
      |                                                         ^
/usr/include/c++/11/type_traits:1370:37: error: ‘size_t’ is not a member of ‘std’
 1370 |     : public integral_constant<std::size_t, 0> { };
      |                                     ^~~~~~
/usr/include/c++/11/type_traits:1370:46: error: template argument 1 is invalid
 1370 |     : public integral_constant<std::size_t, 0> { };
      |                                              ^
/usr/include/c++/11/type_traits:1372:26: error: ‘std::size_t’ has not been declared
 1372 |   template<typename _Tp, std::size_t _Size>
      |                          ^~~
/usr/include/c++/11/type_traits:1373:21: error: ‘_Size’ was not declared in this scope
 1373 |     struct rank<_Tp[_Size]>
      |                     ^~~~~
/usr/include/c++/11/type_traits:1373:27: error: template argument 1 is invalid
 1373 |     struct rank<_Tp[_Size]>
      |                           ^
/usr/include/c++/11/type_traits:1374:37: error: ‘size_t’ is not a member of ‘std’
 1374 |     : public integral_constant<std::size_t, 1 + rank<_Tp>::value> { };
      |                                     ^~~~~~
/usr/include/c++/11/type_traits:1374:65: error: template argument 1 is invalid
 1374 |     : public integral_constant<std::size_t, 1 + rank<_Tp>::value> { };
      |                                                                 ^
/usr/include/c++/11/type_traits:1378:37: error: ‘size_t’ is not a member of ‘std’
 1378 |     : public integral_constant<std::size_t, 1 + rank<_Tp>::value> { };
      |                                     ^~~~~~
/usr/include/c++/11/type_traits:1378:65: error: template argument 1 is invalid
 1378 |     : public integral_constant<std::size_t, 1 + rank<_Tp>::value> { };
      |                                                                 ^
/usr/include/c++/11/type_traits:1383:37: error: ‘size_t’ is not a member of ‘std’
 1383 |     : public integral_constant<std::size_t, 0> { };
      |                                     ^~~~~~
/usr/include/c++/11/type_traits:1383:46: error: template argument 1 is invalid
 1383 |     : public integral_constant<std::size_t, 0> { };
      |                                              ^
/usr/include/c++/11/type_traits:1385:42: error: ‘std::size_t’ has not been declared
 1385 |   template<typename _Tp, unsigned _Uint, std::size_t _Size>
      |                                          ^~~
/usr/include/c++/11/type_traits:1386:23: error: ‘_Size’ was not declared in this scope
 1386 |     struct extent<_Tp[_Size], _Uint>
      |                       ^~~~~
...