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Category > Statistics Posted 14 May 2017 My Price 4.00

A top-down 2-3-4 tree is a B-tree of order 4 with the

a. A top-down 2-3-4 tree is a B-tree of order 4 with the following modification of the insert operation: Whenever a search for a leaf for a new key encounters a full node (i.e., a node with three keys), the node is split into two nodes by sending its middle key to the node’s parent, or, if the full node happens to be the root, the new root for the middle key is created. Construct a top-down 2-3-4 tree by inserting the following list of keys in the initially empty tree:

10, 6, 15, 31, 20, 27, 50, 44, 18.

b. What is the principal advantage of this insertion procedure compared with the one used for 2-3 trees in Section 6.3? What is its disadvantage?

 

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Status NEW Posted 14 May 2017 12:05 PM My Price 4.00

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file 1494766757-Answer.docx preview (188 words )
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