LList

#include <list>
#include <iostream>
#include <iterator>

using namespace std;

int main()
{
    list<int> l = { 4, 7, 8, 1, 3 };
    int n = l.size();
    int i = 0;
    list<int>::iterator it = l.begin();
    while (it != l.end())
    {
        if (*it == n - i - 1)
        {
            it = l.erase(it);
        }
        else
        {
            ++it;
        }
        ++i;
    }
    it = l.begin();
    while (it != l.end())
    {
        cout << *it << ' ';
        ++it;
    }
}