在单链表中,增加一个头节点的目的是为了__________。
A. 使单链表至少有一个节点
B. 标识链表中重要节点的位置
C. 方便运算的实现
D. 说明单链表是线性表的链式存储结构
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You arelistening to Wave FM, your favorite radio station. Today is Tuesday. Here isthe weather forecast for the rest of the week:Wednesday, Thursday and Friday will continueto be(1)
However,get ready to take out your umbrellas and ponchos because the weather will bebad this weekend. On Saturday it will be (3)