The following code example is taken from the book
 
  The C++ Standard Library - A Tutorial and Reference
 by Nicolai M. Josuttis, Addison-Wesley, 1999
 
  © Copyright Nicolai M. Josuttis 1999
#include <iostream>
#include <algorithm>
#include <functional>
#include <iterator>
using namespace std;
int main()
{
    int coll[] = { 5, 6, 2, 4, 1, 3 };
    // square all elements
    transform (coll, coll+6,        // first source
               coll,                // second source
               coll,                // destination
               multiplies<int>());  // operation
    // sort beginning with the second element
    sort (coll+1, coll+6);
    // print all elements
    copy (coll, coll+6,
          ostream_iterator<int>(cout," "));
    cout << endl;
}