将长度为n的单链表链接在长度为m的单链表之后的算法时间复杂度是__________。
A.O(1)
B.O(n)
C.O(m)
D.O(m+n)
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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
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)