# What is an AVL tree?

Category: QuestionsWhat is an AVL tree?
Editor">Editor Staff asked 5 months ago

What is an AVL tree?

(a) a tree which is balanced and is a height balanced tree

(b) a tree which is unbalanced and is a height balanced tree

(c) a tree with three children

(d) a tree with atmost 3 children

My question is based upon AVL Tree in chapter Binary Trees of Data Structures & Algorithms I

This question was posed to me in exam.

Editor">Editor Staff answered 5 months ago

Right choice is (a) a tree which is balanced and is a height balanced tree

Explanation: It is a self balancing tree with height difference atmost 1.

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