-int dist[100*MFAC][100*MFAC];
-
-int mindist(const void *l, const void *r)
-{
- struct point lp = *(const struct point *)l;
- struct point rp = *(const struct point *)r;
- return dist[rp.y][rp.x]-dist[lp.y][lp.x];
-}
-
-struct point *is_in_q(struct point *q, size_t nq, int x, int y)