在双向链表中,在p所指向的结点前插入一个q所指向的结点,相应的操作语句是()。注:双向链表的结点结构为(prior,data,next)
A. p->prior=q;q->next=p;p->prior->next=q;q->prior=q;
B. p->prior=q;p->prior->next=q;q->next=p;q->prior=p->prior;
C. q->next=p;q->prior=p->prior;p->prior->next=q;p->prior=q;
D. q->prior=p->prior;q->next=q;p->prior=q;p->prior=q;
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在单链表中,增加头结点的目的是()
A. 使单链表至少有一个结点
B. 标志表中首结点的位置
C. 链表判空、插入第一个结点以及删除第一个结点等运算方便
D. 说明该单链表是线性表的链式存储结构
头指针为H的循环单链表中尾结点P的特点是()
A. P->next=H
B. P->next= H->next
C. P=H
D. P=H->next
Bacon is a versatile man, his identities include the following except()
A. writer
B. scientist
C. philosopher
D. merchant
Bacon’s most important literary work Essays include articles since 1625()
A. 10
B. 38
C. 48
D. 58