34. Sort numbers in GREATER order C++

#include <ostream>
#include <iterator>
#include <iostream>
#include <list>
#include <functional>

int main()
{
    using namespace std;

    int vector_size;
    cin >> vector_size;

    list<int> l;
    for (int i = 0; i < vector_size; ++i)
    {
        int n;
        cin >> n;
        l.push_back(n);
    }

    l.sort(greater<int>());

    copy(l.begin(), l.end(), ostream_iterator<int>(cout, ""));

    cout << endl;

    return 0;
}