Quiz AVL's Tree

What is an example of an application of an AVL tree?

• Queue

• Stack

• Linked Lists

• Heap

What does the balance factor of a node represent in an AVL tree?

• Total number of nodes in the right subtree

• Total number of nodes in the left subtree

• Total height of the tree

• Difference between the height of the left subtree and the right subtree

What is the average complexity of search operations in an AVL tree?

• O(n)

• O(log n)

• O(n log n)

• O(1)

What operation is necessary to rebalance an AVL tree after inserting a node?

• Double rotation right-left

• Double rotation left-right

• Rotation left

• Rotation right

What is the result of rotating an AVL tree to the left?

• Disordered tree

• Tree with low height

• Balanced tree

• Tree with high height

What happens if an AVL tree becomes unbalanced?

• Function stops

• Rebalances

• Adds a node

• Deletes a node

What is the result of double right-left rotation of an AVL tree?

• Tree with high height

• Balanced tree

• Tree with low height

• Disordered tree