A.LOC(a[0][0])+(j×n+i)×d B.LOC(a[0][0])+(j×m+i)×d C.LOC(a[0][0])+((j-1)×n+i-1)×d D.LOC(a[0][0])+((j-1)×m+i-1)×d
A.p->next=q->next;q->next=p; B.q->next=p->next;p=q; C.p->next=q->next;p->next=q; D.q->next=>next;p->next=q;
A.前序線索二叉樹中求前序后繼 B.中序線索二叉樹中求中序后繼 C.中序線索二叉樹中求中序前趨 D.后序線索二叉樹中求后序后繼