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

int vector1[5] = { 1, 2, 3, 4, 5 };
int vector2[5] = { 1, 2, 3, 4, 5 };

int main ()
{
  int result;
  result = inner_product (vector1, vector1 + 5, vector2, 0);
  cout << "Inner product = " << result << endl;
  return 0;
}