/* Floor-time probe: measure the tasklib overhead (input read/parse + OB compare)
* that is included in the measured time for problem 1008 (IFACE). */
void count_2d(int n, const unsigned *x, const unsigned *y, unsigned *out) {
(void)x; (void)y;
if (n > 0) out[0] = 0; /* touch nothing else; expect Wrong Answer, time still reported */
}