【判断题】【消耗次数：1】
一棵有18个结点的二叉树，其2度结点数的个数为8，则该树共有1个1度结点
①
正确
②
错误
参考答案：
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相关题目
【单选题】
设一棵采用链式存储的二叉树，除叶结点外每个结点度数都为2，该树结点中共有2n个指针域为空。则该树有（ ）个叶结点。
①
A．2n
②
B．2n+1
③
C．2n+2
④
D．N
【单选题】
设一棵采用链式存储的二叉树，除叶结点外每个结点度数都为2，该树结点中共有20个指针域为空。则该树有（ ）个叶结点。
①
A．21
②
B．22
③
C．9
④
D．10
【单选题】
设一棵采用链式存储的二叉树，除叶结点外每个结点度数都为2，该树结点中共有20个指针域为空。则该树共有（ ）个非叶子结点
①
A．21
②
B．22
③
C． 9
④
D．10
随机题目
【单选题】
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①
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②
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③
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④
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