/** @file list5103.cpp */
/** Listing 51-3. Erasing Elements from a Sequence Container */
template<class Container>
void erase_less(Container& cont)
{
  typename Container::iterator prev(cont.end());
  typename Container::iterator iter(cont.begin());
  while (iter != cont.end())
  {
    if (prev != cont.end() and not (*prev < *iter))
      iter = cont.erase(iter);
    else
    {
      prev = iter;
      ++iter;
    }
  }
}