在双向链表中,在指针p所指的结点之前插入指针s所指的结点,其操作是( )。
在双向链表中,在指针p所指的结点之前插入指针s所指的结点,其操作是( )。
s->prior-p->prior; s->next=p; p->next->prior=s; p-> next=S;
p->=prior=s; s->prior=p->prior; p->next->prior=s; s->next=p->next;
s->prior-p->prior; p->prior->next=s; S->next->P; p->prior=s;
p->prior=s; p->next->prior=s; s->prior-p; s->next=p->next;
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