Language: C++

#include <bits/stdc++.h>
using namespace std;

int main() {
int N,M;
  vector<double> A(N);
  cin>>N>>M;
  for(int i=0;i<N;i++){
    cin>>A.at(i);
  }
  for(int i=0;i<M;i++){
      max_element(A.begin(),A.end())=max_element(A.begin(),A.end())/2;
 
  }
  int S=0;
  for(int i=0;i<N;i++){
    S+=floor(A.at(i));
  }
  cout<<S<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:68: error: no match for 'operator/' (operand types are '__gnu_cxx::__normal_iterator<double*, std::vector<double> >' and 'int')
   12 |       max_element(A.begin(),A.end())=max_element(A.begin(),A.end())/2;
      |                                      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~
      |                                                 |                   |
      |                                                 |                   int
      |                                                 __gnu_cxx::__normal_iterator<double*, std::vector<double> >
In file included from /usr/include/c++/14/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:127,
                 from a.cc:1:
/usr/include/c++/14/complex:430:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator/(const complex<_Tp>&, const complex<_Tp>&)'
  430 |     operator/(const complex<_Tp>& __x, const complex<_Tp>& __y)
      |     ^~~~~~~~
/usr/include/c++/14/complex:430:5: note:   template argument deduction/substitution failed:
a.cc:12:69: note:   '__gnu_cxx::__normal_iterator<double*, std::vector<double> >' is not derived from 'const std::complex<_Tp>'
   12 |       max_element(A.begin(),A.end())=max_element(A.begin(),A.end())/2;
      |                                                                     ^
/usr/include/c++/14/complex:439:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator/(const complex<_Tp>&, const _Tp&)'
  439 |     operator/(const complex<_Tp>& __x, const _Tp& __y)
      |     ^~~~~~~~
/usr/include/c++/14/complex:439:5: note:   template argument deduction/substitution failed:
a.cc:12:69: note:   '__gnu_cxx::__normal_iterator<double*, std::vector<double> >' is not derived from 'const std::complex<_Tp>'
   12 |       max_element(A.begin(),A.end())=max_element(A.begin(),A.end())/2;
      |                                                                     ^
/usr/include/c++/14/complex:448:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator/(const _Tp&, const complex<_Tp>&)'
  448 |     operator/(const _Tp& __x, const complex<_Tp>& __y)
      |     ^~~~~~~~
/usr/include/c++/14/complex:448:5: note:   template argument deduction/substitution failed:
a.cc:12:69: note:   mismatched types 'const std::complex<_Tp>' and 'int'
   12 |       max_element(A.begin(),A.end())=max_element(A.begin(),A.end())/2;
      |                                                                     ^
In file included from /usr/include/c++/14/valarray:605,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:166:
/usr/include/c++/14/bits/valarray_after.h:408:5: note: candidate: 'template<class _Dom1, class _Dom2> std::_Expr<std::__detail::_BinClos<std::__divides, std::_Expr, std::_Expr, _Dom1, _Dom2>, typename std::__fun<std::__divides, typename _Dom1::value_type>::result_type> std::operator/(const _Expr<_Dom1, typename _Dom1::value_type>&, const _Expr<_Dom2, typename _Dom2::value_type>&)'
  408 |     _DEFINE_EXPR_BINARY_OPERATOR(/, struct std::__divides)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/valarray_after.h:408:5: note:   template argument deduction/substitution failed:
a.cc:12:69: note:   '__gnu_cxx::__normal_iterator<double*, std::vector<double> >' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
   12 |       max_element(A.begin(),A.end())=max_element(A.begin(),A.end())/2;
      |                                                                     ^
/usr/include/c++/14/bits/valarray_after.h:408:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__divides, std::_Expr, std::_Constant, _Dom, typename _Dom::value_type>, typename std::__fun<std::__divides, typename _Dom1::value_type>::result_type> std::operator/(const _Expr<_Dom1, typename _Dom1::value_type>&, const typename _Dom::value_type&)'
  408 |     _DEFINE_EXPR_BINARY_OPERATOR(/, struct std::__divides)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/valarray_after.h:408:5: note:   template argument deduction/substitution failed:
a.cc:12:69: note:   '__gnu_cxx::__normal_iterator<double*, std::vector<double> >' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
   12 |       max_element(A.begin(),A.end())=max_element(A.begin(),A.end())/2;
      |                                                                     ^
/usr/include/c++/14/bits/valarray_after.h:408:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__divides, std::_Constant, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__divides, typename _Dom1::value_type>::result_type> std::operator/(const typename _Dom::value_type&, const _Expr<_Dom1, typename _Dom1::value_type>&)'
  408 |     _DEFINE_EXPR_BINARY_OPERATOR(/, struct std::__divides)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/valarray_after.h:408:5: note:   template argument deduction/substitution failed:
a.cc:12:69: note:   mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'int'
   12 |       max_element(A.begin(),A.end())=max_element(A.begin(),A.end())/2;
      |                                                                     ^
/usr/include/c++/14/bits/valarray_after.h:408:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__divides, std::_Expr, std::_ValArray, _Dom, typename _Dom::value_type>, typename std::__fun<std::__divides, typename _Dom1::value_type>::result_type> std::operator/(const _Expr<_Dom1, typename _Dom1::value_type>&, const valarray<typename _Dom::value_type>&)'
  408 |     _DEFINE_EXPR_BINARY_OPERATOR(/, struct std::__divides)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/valarray_after.h:408:5: note:   template argument deduction/substitution failed:
a.cc:12:69: note:   '__gnu_cxx::__normal_iterator<double*, std::vector<double> >' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
   12 |       max_element(A.begin(),A.end())=max_element(A.begin(),A.end())/2;
      |                                                                     ^
/usr/include/c++/14/bits/valarray_after.h:408:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__divides, std::_ValArray, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__divides, typename _Dom1::value_type>::result_type> std::operator/(const valarray<typename _Dom::value_type>&, const _Expr<_Dom1, typename _Dom1::value_type>&)'
  408 |     _DEFINE_EXPR_BINARY_OPERATOR(/, struct std::__divides)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/valarray_after.h:408:5: note:   template argument deduction/substitution failed:
a.cc:12:69: note:   mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'int'
   12 |       max_element(A.begin(),A.end())=max_element(A.begin(),A.end())/2;
      |                                                                     ^
/usr/include/c++/14/valarray:1199:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__divides, std::_ValArray, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__divides, _Tp>::result_type> std::operator/(const valarray<_Tp>&, const valarray<_Tp>&)'
 1199 | _DEFINE_BINARY_OPERATOR(/, __divides)
      | ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/valarray:1199:1: note:   template argument deduction/substitution failed:
a.cc:12:69: note:   '__gnu_cxx::__normal_iterator<double*, std::vector<double> >' is not derived from 'const std::valarray<_Tp>'
   12 |       max_element(A.begin(),A.end())=max_element(A.begin(),A.end())/2;
      |                                                                     ^
/usr/include/c++/14/valarray:1199:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__divides, std::_ValArray, std::_Constant, _Tp, _Tp>, typename std::__fun<std::__divides, _Tp>::result_type> std::operator/(const valarray<_Tp>&, const typename valarray<_Tp>::value_type&)'
 1199 | _DEFINE_BINARY_OPERATOR(/, __divides)
      | ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/valarray:1199:1: note:   template argument deduction/substitution failed:
a.cc:12:69: note:   '__gnu_cxx::__normal_iterator<double*, std::vector<double> >' is not derived from 'const std::valarray<_Tp>'
   12 |       max_element(A.begin(),A.end())=max_element(A.begin(),A.end())/2;
      |                                                                     ^
/usr/include/c++/14/valarray:1199:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__divides, std::_Constant, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__divides, _Tp>::result_type> std::operator/(const typename valarray<_Tp>::value_type&, const valarray<_Tp>&)'
 1199 | _DEFINE_BINARY_OPERATOR(/, __divides)
      | ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/valarray:1199:1: note:   template argument deduction/substitution failed:
a.cc:12:69: note:   mismatched types 'const std::valarray<_Tp>' and 'int'
   12 |       max_element(A.begin(),A.end())=max_element(A.begin(),A.end())/2;
      |                                                                     ^