A balance factor in AVL tree is used to check

2024

Answer: D. if the tree is unbalanced. — Answer : D Explanation The balance factor (BalanceFactor = height(left-sutree) − height(right-sutree)) is used to check if the tree is balanced or unbalanced.

1. A.

   what rotation to make.

2. B.

   if all child nodes are at same level.

3. C.

   when the last rotation occurred.

4. D.

   if the tree is unbalanced.

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