Which of the following rotations are correctly explained in the context of an AVL tree?
A. LL rotation: the new node is inserted in the left subtree of the left subtree of the critical node.
B. RR rotation: the new node is inserted in the right subtree of the right subtree of the critical node.
C. LR rotation: the new node is inserted in the right subtree of the left subtree of the critical node.
D. RL rotation: the new node is inserted in the left subtree of the right subtree of the critical node.
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Correct answer: C. A, B, C and D
Explanation
All four are the standard definitions of the four AVL imbalance cases.More Data Structures and Algorithms questions
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