A balance factor in AVL tree is used to check ..................
A. what rotation to make.
B. if all child nodes are at same level.
C. when the last rotation occurred.
D. if the tree is unbalanced.
Answer:D
A balance factor in AVL tree is used to check ..................
A. what rotation to make. B. if all child nodes are at same level. C. when the last rotation occurred. D. if the tree is unbalanced.