/* computing the maximum over an array */
int max(int len, const int arr[]) {
	int i;
	int x = arr[0];
	for (i = 1; i < len; i++) {
		if (x < arr[i]) {
			x = arr[i];
		}
	}
	return x;
}

int main() {

	/* BENCHMARK START */
	/* array for benchmark */
	const int arr [] = { 2,  3,  5,  7, 11, 13, 17, 19,
						 23, 29, 31, 37, 41, 43, 47, 53 };
	int retval = max(16, arr);
	/* BENCHMARK END */

	return retval;
}