#include <iostream.h>
#include <stl.h>

int main ()
{
  vector<int> v; // Empty vector of integers.
  v.push_back (1);
  v.push_back (2);
  v.push_back (3);
  // Position immediately after last item.
  vector<int>::iterator i = v.end (); 
  // Move back one and then access.
  cout << "last element is " << *--i << endl; 
  i -= 2; // Jump back two items.
  cout << "first element is " << *i << endl;
  return 0;
}