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

int sum (int x_, int y_)
{
  return x_ + y_;
}

int input1 [4] = { 7, 2, 3, 5 };
int input2 [4] = { 1, 5, 5, 8 };

int main ()
{
  int output [4];
  transform (input1, input1 + 4, input2, output, 
    pointer_to_binary_function<int, int, int> (sum));
  for (int i = 0; i < 4; i++)
    cout << output[i] << endl;
  return 0;
}