Question

1. Which tree is perfectly balanced where we split the node upon the recursive return, after the insert has taken plac...

1. Which tree is perfectly balanced where we split the node upon the recursive return, after the insert has taken place?


2. Which tree is perfectly balanced where we split the node prior to the recursive call?


3. Which tree is a simulation of a 2-3-4 tree?

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Answer #1

1. AVL Tree. In this, first, the node is inserted and on the recursive return at each node, it is checked whether the difference between the height is <= 1. If it is not, rotations are made at that node to make the tree balanced (at least from that node).

2. Red Black tree. In this when a node is inserted, we use recolouring and rotation to achieve a balanced tree. This is done prior to the recursive call.

3. Again, Red-Black Tree. The correlation can be shown as follows:

(20 (Black) 20 A Black Black OR ,Real 30 C 30 20, (20)e-Red A Black 2030, 4 o Red Red A A CS Scanned with CamScannerDo Upvote if you found it useful. :)

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