1.

Which_of_the_following_is_correct_with_respect_to_binary_trees?$

A. Let T be a binary tree. For every k ‚â• 0, there are no more than 2k nodes in level k
B. Let T be a binary tree with λ levels. Then T has no more than 2<sup>λ – 1</sup> nodes
C. Let T be a binary tree with N nodes. Then the number of levels is at least ceil(log (N + 1))
D. All of the mentioned
Answer» E.


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