Cee · August 29, 2015 14:08
diff --git a/power.c b/power.c
 int power(int n, int k) {
  if (k == 0) return 1;
  if (k == 1) return n;
  int ret = power(n, k >> 1);
  return (k & 1)
        ? ret * ret * n   //odd
        : ret * ret;      //even
 }
	int power(int n, int k) {
	if (k == 0) return 1;
	if (k == 1) return n;
	int ret = power(n, k >> 1);
	return (k & 1)
	? ret * ret * n //odd
	: ret * ret; //even
	}