Question 1107 – Nielit Scientist-B CS 22-07-2017

A balance factor in AVL tree is used to check

Correct Answer: A

Question 7 Explanation:

It is a self balancing tree with height difference at most 1. A balance factor in AVL tree is used to check what rotation to make.

What rotation to make

if all childs nodes are at same level

when the last rotation occurred

if the tree is unbalanced