2.16-从la中删除从i开始len个元素后，把删除的元素放到lb中的j位之前

Status DeleteAndInsertSub(LinkedList la,LinkedList lb,int i,int j,int len)
{
	if(i<0||j<0||len<0)return INFEASIBLE;
	p=la;k=1;
	while(k<i){p=p->next;k++;}
	q=p;
	while(k<=len){q=q->next;k++;}
	s=lb;k=1;
	while(k<j){s=s->next;k++}
	s->next=p->next;q->next=s->next;

        p->next=q->next;//删除
}