一个深度为h的满k叉树,最多有多少个结点?(独根树深度为0) There is a full k-ary tree, whose depth is h. How many nodes can it have at most? (The depth of a tree, which only has a root node, is 0.)
A.
B.
C.
D.
A.
B.
C.
D.
万木冻欲折,孤根暖独回。前村深雪里,昨夜一枝开。
风递幽香出,禽窥素艳来。明年如应律,先发望春台①。
【注】①“望春台”,既指观赏春景的高台,又喻指京城。
(1)说说这首诗着力突出了所咏之物的什么特点,据此再给它拟一个恰当的标题。(2分)
(2)赏析“风递幽香出”一句。(4分)
(3)诗人早年曾热衷功名,颇有抱负,但科举失利,未得酬志。从尾联可以看出他当时有什么样的心愿?(2分)
A、“独在异乡为异客、每逢佳节倍思亲”中的“佳节”指的是中秋
B、“但使龙城飞将在,不教胡马度阴山”中的“飞将”指的是李广
C、“窗含西岭千秋雪、门泊东吴万里船”中的“西岭”指的是岷山
D、“忽如一夜春风来,千树万树梨花开”中的“梨花”指的是雪花
A、前序遍历
B、后序遍历
C、中序遍历
D、层次遍历
A、4
B、5
C、6
D、7
给出一棵树的逻辑结构T=(N,R),其中:N={A,B,C,D,E,F,G,H,I,J,K} R={r} r={(A,B),(B,E),(B,F),(F,G),(F,H),(A,C),(C,I),(C,J),(J,K),(A,D)} Given a logical structure of a tree, T=(N, R), and N={A, B, C, D, E, F, G, H, I, J, K}, R={r}, r={(A,B), (B,E), (B,F), (F,G), (F,H), (A,C), (C,I), (C,J), (J,K), (A,D)} 试回答下列问题: Please answer these questions: (1)哪个是根结点?which is the root node? (2)哪些是F的孩子?which are the child nodes of Node F? (3)结点K的层次是多少? (注:根的层数为0,独根树深度为0,高度为1,其他题目同样如此;同一个选项的 答案如果有多个字母,按照字典序排列,且不要以空格分隔) (P.S. the level of the root node is 0, the depth of a tree, which only has a root node, is 0, and its height is 1. Other problems have the same regulations. If there are several alphabets in one question, order them by lexicographical order, and do not add spaces.)
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