#include <stdio.h>

/* test power function */
main()
{
  int i;
  for (i = 0; i < 10; ++i)
    printf("%d %4d %6d\n", i, power(2,i), power(-3,i));
  return 0;
}

/* power: raise base to n-th power; n >= 0 */
int power(int base, int n)
{
  int i, p;
  p = 1;
  for (i = 1; i <= n; ++i)
    p = p * base;
  return p;
}