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

int array [] = { 3, 6, 1, 2, 3, 2, 6, 7, 9 };

int main ()
{
  typedef multiset<int, less<int> > mset;
  mset s (array, array + 9);
  pair<mset::const_iterator, mset::const_iterator> p = s.equal_range (3);
  cout << "lower bound = " << *(p.first) << endl;
  cout << "upper bound = " << *(p.second) << endl;
  return 0;
}