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Study room · CSE 212 Algorithms

BST · Problem 3(b)

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BST · Problem 3(b)

Past exam question · solved step by step

  1. Read the question
  2. Trace it on the tree
  3. 3Write the final answer
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Course AI · Data Structures

Grounded
Explain AVL tree rotations with an exam-ready example.
Course AI

An AVL tree rebalances whenever a node's balance factor moves outside −1 to +1. The rotation depends on where the new node was inserted:

  • LL → right rotation
  • RR → left rotation
  • LR → left, then right
  • RL → right, then left
Referenced materialAVL balancing rules
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