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

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

char* str [] = { "a", "a", "b", "b", "q", "w", "z" };

int main ()
{
  const unsigned strCt = sizeof (str)/sizeof (str[0]);
  cout
    << "d can be inserted at index: "
    << upper_bound (str,  str + strCt, "d", char_str_less) - str
    << endl;
  return 0;
}