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Which operation is not allowed in an AVL tree?

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Question: Which operation is not allowed in an AVL tree?

Options:

  1. Insertion
  2. Deletion
  3. Traversal
  4. Duplicate insertion

Correct Answer: Duplicate insertion

Solution: 

Duplicate insertion is not allowed in an AVL tree as it must maintain unique keys.

Which operation is not allowed in an AVL tree?

Practice Questions

Q1
Which operation is not allowed in an AVL tree?
  1. Insertion
  2. Deletion
  3. Traversal
  4. Duplicate insertion

Questions & Step-by-Step Solutions

Which operation is not allowed in an AVL tree?
  • Step 1: Understand what an AVL tree is. It is a type of binary search tree that keeps its height balanced.
  • Step 2: Know that in a binary search tree, each node must have a unique key.
  • Step 3: Realize that if you try to insert a duplicate key into an AVL tree, it will violate the rule of unique keys.
  • Step 4: Conclude that duplicate insertion is not allowed in an AVL tree.
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