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

int main ()
{
  vector <int> v (10);
  for (int i = 0; i < v.size (); i++)
    v[i] = i * i;
  vector <int> result (v.size ());
  adjacent_difference (v.begin (), v.end (), result.begin ());
  ostream_iterator<int> iter (cout, " ");
  copy (v.begin (), v.end (), iter);
  cout << endl;
  copy (result.begin (), result.end (), iter);
  cout << endl;
  return 0;
}