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

int main ()
{
  typedef vector <int> IntVec;
  IntVec v (10);
  for (int i = 0; i < v.size (); i++)
    v[i] = i / 3;
  ostream_iterator<int> iter (cout, " ");
  cout << "Within the collection:\n\t";
  copy (v.begin (), v.end (), iter);
  pair <IntVec::iterator, IntVec::iterator> range;
  range = equal_range (v.begin (), v.end (), 2);
  cout
    << "\n2 can be inserted from before index "
    << (range.first - v.begin ())
    << " to before index "
    << (range.second - v.begin ())
    << endl;
  return 0;
}