answer.code: In function ‘void change(int)’:
answer.code:42:20: error: ‘place’ was not declared in this scope
   42 |             flag=1,place=Pair{i,j};
      |                    ^~~~~
answer.code:48:28: error: ‘place’ was not declared in this scope
   48 |                     flag=1,place=Pair{x,y};
      |                            ^~~~~
answer.code:54:24: error: ‘place’ was not declared in this scope
   54 |                 flag=1;place=Pair{i,j};
      |                        ^~~~~
answer.code:60:32: error: ‘place’ was not declared in this scope
   60 |                         flag=1;place=Pair{x,y};
      |                                ^~~~~
answer.code:66:12: error: ‘place’ was not declared in this scope
   66 |         if(place.first<=i){
      |            ^~~~~
answer.code:68:57: error: no matching function for call to ‘std::pair<int, int>::pair(<brace-enclosed initializer list>)’
   68 |                 Pair ano=Pair{place.first+1,place.second};
      |                                                         ^
In file included from /usr/include/c++/13/bits/stl_algobase.h:64,
                 from /usr/include/c++/13/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:51,
                 from answer.code:1:
/usr/include/c++/13/bits/stl_pair.h:719:28: note: candidate: ‘template<class _U1, class _U2, typename std::enable_if<(std::_PCC<((! std::is_same<int, _U1>::value) || (! std::is_same<int, _U2>::value)), int, int>::_MoveConstructiblePair<_U1, _U2>() && (! std::_PCC<((! std::is_same<int, _U1>::value) || (! std::is_same<int, _U2>::value)), int, int>::_ImplicitlyMoveConvertiblePair<_U1, _U2>())), bool>::type <anonymous> > constexpr std::pair<_T1, _T2>::pair(std::pair<_U1, _U2>&&) [with _U2 = _U1; typename std::enable_if<(std::_PCC<((! std::is_same<_T1, _U1>::value) || (! std::is_same<_T2, _U2>::value)), _T1, _T2>::_MoveConstructiblePair<_U1, _U2>() && (! std::_PCC<((! std::is_same<_T1, _U1>::value) || (! std::is_same<_T2, _U2>::value)), _T1, _T2>::_ImplicitlyMoveConvertiblePair<_U1, _U2>())), bool>::type <anonymous> = _U2; _T1 = int; _T2 = int]’
  719 |         explicit constexpr pair(pair<_U1, _U2>&& __p)
      |                            ^~~~
/usr/include/c++/13/bits/stl_pair.h:719:28: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/stl_pair.h:708:19: note: candidate: ‘template<class _U1, class _U2, typename std::enable_if<(std::_PCC<((! std::is_same<int, _U1>::value) || (! std::is_same<int, _U2>::value)), int, int>::_MoveConstructiblePair<_U1, _U2>() && std::_PCC<((! std::is_same<int, _U1>::value) || (! std::is_same<int, _U2>::value)), int, int>::_ImplicitlyMoveConvertiblePair<_U1, _U2>()), bool>::type <anonymous> > constexpr std::pair<_T1, _T2>::pair(std::pair<_U1, _U2>&&) [with _U2 = _U1; typename std::enable_if<(std::_PCC<((! std::is_same<_T1, _U1>::value) || (! std::is_same<_T2, _U2>::value)), _T1, _T2>::_MoveConstructiblePair<_U1, _U2>() && std::_PCC<((! std::is_same<_T1, _U1>::value) || (! std::is_same<_T2, _U2>::value)), _T1, _T2>::_ImplicitlyMoveConvertiblePair<_U1, _U2>()), bool>::type <anonymous> = _U2; _T1 = int; _T2 = int]’
  708 |         constexpr pair(pair<_U1, _U2>&& __p)
      |                   ^~~~
/usr/include/c++/13/bits/stl_pair.h:708:19: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/stl_pair.h:697:28: note: candidate: ‘template<class _U1, class _U2, typename std::enable_if<(_MoveConstructiblePair<_U1, _U2>() && (! _ImplicitlyMoveConvertiblePair<_U1, _U2>())), bool>::type <anonymous> > constexpr std::pair<_T1, _T2>::pair(_U1&&, _U2&&) [with _U2 = _U1; typename std::enable_if<(std::_PCC<true, _T1, _T2>::_MoveConstructiblePair<_U1, _U2>() && (! std::_PCC<true, _T1, _T2>::_ImplicitlyMoveConvertiblePair<_U1, _U2>())), bool>::type <anonymous> = _U2; _T1 = int; _T2 = int]’
  697 |         explicit constexpr pair(_U1&& __x, _U2&& __y)
      |                            ^~~~
/usr/include/c++/13/bits/stl_pair.h:697:28: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/stl_pair.h:687:19: note: candidate: ‘template<class _U1, class _U2, typename std::enable_if<(_MoveConstructiblePair<_U1, _U2>() && _ImplicitlyMoveConvertiblePair<_U1, _U2>()), bool>::type <anonymous> > constexpr std::pair<_T1, _T2>::pair(_U1&&, _U2&&) [with _U2 = _U1; typename std::enable_if<(std::_PCC<true, _T1, _T2>::_MoveConstructiblePair<_U1, _U2>() && std::_PCC<true, _T1, _T2>::_ImplicitlyMoveConvertiblePair<_U1, _U2>()), bool>::type <anonymous> = _U2; _T1 = int; _T2 = int]’
  687 |         constexpr pair(_U1&& __x, _U2&& __y)
      |                   ^~~~
/usr/include/c++/13/bits/stl_pair.h:687:19: note:   template argument deduction/substitution failed:
/usr/include/c++/13/bits/stl_pair.h:675:9: note: candidate: ‘template<class _U2, typename std::enable_if<std::__and_<std::is_pointer<int>, std::__not_<std::is_reference<_Tp> >, std::is_constructible<int, _U1>, std::__not...