is_sorted example

 template<typename  It>
 void  slow_sort(It  begin,  It  end)  {
         while  (!is_sorted(begin,  end))
                 random_shuffle(begin,  end);
 }
 int  main()  {
         int  a[ ]  =  {1, 2, 3, 5, 4};
         const  int  N  =  5;
         slow_sort(a,  a + N);
         copy(a,  a + N,
                 ostream_iterator<int>(cout, "  "));
 }