answer.code: In function ‘int main()’:
answer.code:57:40: error: no match for ‘operator&’ (operand types are ‘std::bitset<5001>’ and ‘bool’)
   57 |                                 if(a[i]&a[j]==a[j]) ban[j]=1;
      |                                    ~~~~^~~~~~~~~~~
      |                                       |     |
      |                                       |     bool
      |                                       std::bitset<5001>
In file included from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:52,
                 from answer.code:1:
/usr/include/c++/13/bitset:1553:5: note: candidate: ‘template<long unsigned int _Nb> std::bitset<_Nb> std::operator&(const bitset<_Nb>&, const bitset<_Nb>&)’
 1553 |     operator&(const bitset<_Nb>& __x, const bitset<_Nb>& __y) _GLIBCXX_NOEXCEPT
      |     ^~~~~~~~
/usr/include/c++/13/bitset:1553:5: note:   template argument deduction/substitution failed:
answer.code:57:50: note:   mismatched types ‘const std::bitset<_Nb>’ and ‘bool’
   57 |                                 if(a[i]&a[j]==a[j]) ban[j]=1;
      |                                                  ^
In file included from /usr/include/c++/13/valarray:605,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:166:
/usr/include/c++/13/bits/valarray_after.h:411:5: note: candidate: ‘template<class _Dom1, class _Dom2> std::_Expr<std::__detail::_BinClos<std::__bitwise_and, std::_Expr, std::_Expr, _Dom1, _Dom2>, typename std::__fun<std::__bitwise_and, typename _Dom1::value_type>::result_type> std::operator&(const _Expr<_Dom1, typename _Dom1::value_type>&, const _Expr<_Dom2, typename _Dom2::value_type>&)’
  411 |     _DEFINE_EXPR_BINARY_OPERATOR(&, struct std::__bitwise_and)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/13/bits/valarray_after.h:411:5: note:   template argument deduction/substitution failed:
answer.code:57:50: note:   ‘std::bitset<5001>’ is not derived from ‘const std::_Expr<_Dom1, typename _Dom1::value_type>’
   57 |                                 if(a[i]&a[j]==a[j]) ban[j]=1;
      |                                                  ^
/usr/include/c++/13/bits/valarray_after.h:411:5: note: candidate: ‘template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__bitwise_and, std::_Expr, std::_Constant, _Dom, typename _Dom::value_type>, typename std::__fun<std::__bitwise_and, typename _Dom1::value_type>::result_type> std::operator&(const _Expr<_Dom1, typename _Dom1::value_type>&, const typename _Dom::value_type&)’
  411 |     _DEFINE_EXPR_BINARY_OPERATOR(&, struct std::__bitwise_and)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/13/bits/valarray_after.h:411:5: note:   template argument deduction/substitution failed:
answer.code:57:50: note:   ‘std::bitset<5001>’ is not derived from ‘const std::_Expr<_Dom1, typename _Dom1::value_type>’
   57 |                                 if(a[i]&a[j]==a[j]) ban[j]=1;
      |                                                  ^
/usr/include/c++/13/bits/valarray_after.h:411:5: note: candidate: ‘template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__bitwise_and, std::_Constant, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__bitwise_and, typename _Dom1::value_type>::result_type> std::operator&(const typename _Dom::value_type&, const _Expr<_Dom1, typename _Dom1::value_type>&)’
  411 |     _DEFINE_EXPR_BINARY_OPERATOR(&, struct std::__bitwise_and)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/13/bits/valarray_after.h:411:5: note:   template argument deduction/substitution failed:
answer.code:57:50: note:   mismatched types ‘const std::_Expr<_Dom1, typename _Dom1::value_type>’ and ‘bool’
   57 |                                 if(a[i]&a[j]==a[j]) ban[j]=1;
      |                                                  ^
/usr/include/c++/13/bits/valarray_after.h:411:5: note: candidate: ‘template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__bitwise_and, std::_Expr, std::_ValArray, _Dom, typename _Dom::value_type>, typename std::__fun<std::__bitwise_and, typename _Dom1::value_type>::result_type> std::operator&(const _Expr<_Dom1, typename _Dom1::value_type>&, const valarray<typename _Dom::value_type>&)’
  411 |     _DEFINE_EXPR_BINARY_OPERATOR(&, struct std::__bitwise_and)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/13/bits/valarray_after.h:411:5: note:   template argument deduction/substitution failed:
answer.code:57:50: note:   ‘std::bitset<5001>’ is not derived from ‘const std::_Expr<_Dom1, typename _Dom1::value_type>’
   57 |                                 if(a[i]&a[j]==a[j]) ban[j]=1;
      |                                                  ^
/usr/include/c++/13/bits/valarray_after.h:411:5: note: candidate: ‘template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__bitwise_and, std::_ValArray, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__bitwise_and, typename _Dom1::value_type>::result_type> std::operator&(const valarray<ty...