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

int numbers[6] = { 5, 2, 4, 3, 1, 6 };

int main ()
{
  int result[3];
  partial_sort_copy (numbers, numbers + 6, result, result + 3);
  for (int i = 0; i < 3; i++)
    cout << result[i] << ' ';
  cout << endl;
  return 0;
}