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

bool string_less(const char* a_, const char* b_)
{
  return ::strcmp (a_, b_) < 0 ? 1 : 0;
}

char* letters[6] = {"bb", "aa", "ll", "dd", "qq", "cc" };

int main ()
{
  stable_sort (letters, letters + 6, string_less);
  for (int i = 0; i < 6; i++)
    cout << letters[i] << ' ';
  cout << endl;
  return 0;
}