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in Data Structures & Algorithms I by (110k points)
Figure below is a balanced binary tree. If a node inserted as child of the node R, how many nodes will become unbalanced?

(a) 2

(b) 1

(c) 3

(d) 0

The origin of the question is Binary Trees topic in chapter Binary Trees of Data Structures & Algorithms I

This question was addressed to me by my college director while I was bunking the class.

1 Answer

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Best answer
Right option is (b) 1

To explain: Only the node P will become unbalanced, with balance factor +2.

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