#include <iostream>
#include <vector>

void
view (vector < int >v)
{
  for (int i = 0; i < v.size (); i++) {
    cout << v[i] << " ";
  }
  cout << "\n";
}

void
view2 (vector < int >v)
{
  vector < int >::iterator it;
  for (it = v.begin (); it != v.end (); it++) {
    cout << *it << "\n";
  }
}

void
rview (vector < int >v)
{
  vector < int >::reverse_iterator it;
  for (it = v.rbegin (); it != v.rend (); it++) {
    cout << *it << " ";
  }
  cout << "\n";
}

void
view3 (vector < int >v)
{
  copy (v.begin (), v.end (), ostream_iterator < int >(cout, "\n"));
}

main ()
{
  vector < int >v (3, 2);
  v.push_back (1);
  view (v);
  rview (v);
  cout << "Size " << v.size () << "\n";
  cout << "Last " << v.back () << " First " << v[0] << "\n";
  v.pop_back ();
  view (v);
  v.clear ();
  v.insert (v.begin (), 2);
  *back_inserter (v) = 1;
  v.insert (v.begin () + 1, 0);
  view (v);
  v.erase (v.begin () + 1);
  view (v);
}