int deletelist(LinkList &L){??LinkList q=L;?if(!(q->next))//如果鏈表為空,刪除空鏈表?{??delete q;??return OK;?}?LinkList g=q->next;?while(g||q)?{?g=q->next;??delete q;?q=g->next;?delete g;?}?return OK;}