Language: C++

#include<iostream>
#include<vector>
#include<algorithm>
#include<map>
#include<set>

using namespace std;
 
int main(void)
{   
    int n,tmp;
    cin >> n;
    vector<int> x(n);
    vector<int> y(n);
    for(int i = 0;i < n;i++){
        cin >> x[i];
        y[i] = x[i];
    }

    

    for(int i = 0;i < n;i++){
        tmp = y[i];
        y.erase(y.begin()+i);

        sort(y.begin(),y.end());

        cout << y[(n/2)-1] << endl;

        y.insert(y.begin,tmp);

    }
    
}

Compiler output:
a.cc: In function 'int main()':
a.cc:30:17: error: no matching function for call to 'std::vector<int>::insert(<unresolved overloaded function type>, int&)'
   30 |         y.insert(y.begin,tmp);
      |         ~~~~~~~~^~~~~~~~~~~~~
In file included from /usr/include/c++/14/vector:66,
                 from a.cc:2:
/usr/include/c++/14/bits/stl_vector.h:1484:9: note: candidate: 'template<class _InputIterator, class> std::vector<_Tp, _Alloc>::iterator std::vector<_Tp, _Alloc>::insert(const_iterator, _InputIterator, _InputIterator) [with <template-parameter-2-2> = _InputIterator; _Tp = int; _Alloc = std::allocator<int>]'
 1484 |         insert(const_iterator __position, _InputIterator __first,
      |         ^~~~~~
/usr/include/c++/14/bits/stl_vector.h:1484:9: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/vector:72:
/usr/include/c++/14/bits/vector.tcc:133:5: note: candidate: 'std::vector<_Tp, _Alloc>::iterator std::vector<_Tp, _Alloc>::insert(const_iterator, const value_type&) [with _Tp = int; _Alloc = std::allocator<int>; iterator = std::vector<int>::iterator; const_iterator = std::vector<int>::const_iterator; value_type = int]'
  133 |     vector<_Tp, _Alloc>::
      |     ^~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/vector.tcc:135:27: note:   no known conversion for argument 1 from '<unresolved overloaded function type>' to 'std::vector<int>::const_iterator'
  135 |     insert(const_iterator __position, const value_type& __x)
      |            ~~~~~~~~~~~~~~~^~~~~~~~~~
/usr/include/c++/14/bits/stl_vector.h:1395:7: note: candidate: 'std::vector<_Tp, _Alloc>::iterator std::vector<_Tp, _Alloc>::insert(const_iterator, value_type&&) [with _Tp = int; _Alloc = std::allocator<int>; iterator = std::vector<int>::iterator; const_iterator = std::vector<int>::const_iterator; value_type = int]'
 1395 |       insert(const_iterator __position, value_type&& __x)
      |       ^~~~~~
/usr/include/c++/14/bits/stl_vector.h:1395:29: note:   no known conversion for argument 1 from '<unresolved overloaded function type>' to 'std::vector<int>::const_iterator'
 1395 |       insert(const_iterator __position, value_type&& __x)
      |              ~~~~~~~~~~~~~~~^~~~~~~~~~
/usr/include/c++/14/bits/stl_vector.h:1413:7: note: candidate: 'std::vector<_Tp, _Alloc>::iterator std::vector<_Tp, _Alloc>::insert(const_iterator, std::initializer_list<_Tp>) [with _Tp = int; _Alloc = std::allocator<int>; iterator = std::vector<int>::iterator; const_iterator = std::vector<int>::const_iterator]'
 1413 |       insert(const_iterator __position, initializer_list<value_type> __l)
      |       ^~~~~~
/usr/include/c++/14/bits/stl_vector.h:1413:29: note:   no known conversion for argument 1 from '<unresolved overloaded function type>' to 'std::vector<int>::const_iterator'
 1413 |       insert(const_iterator __position, initializer_list<value_type> __l)
      |              ~~~~~~~~~~~~~~~^~~~~~~~~~
/usr/include/c++/14/bits/stl_vector.h:1439:7: note: candidate: 'std::vector<_Tp, _Alloc>::iterator std::vector<_Tp, _Alloc>::insert(const_iterator, size_type, const value_type&) [with _Tp = int; _Alloc = std::allocator<int>; iterator = std::vector<int>::iterator; const_iterator = std::vector<int>::const_iterator; size_type = long unsigned int; value_type = int]'
 1439 |       insert(const_iterator __position, size_type __n, const value_type& __x)
      |       ^~~~~~
/usr/include/c++/14/bits/stl_vector.h:1439:7: note:   candidate expects 3 arguments, 2 provided