Can you explain how AVL tree insertion works?
Sure! AVL trees are self-balancing binary search trees. When you insert a node, you first perform a standard binary search tree insertion.
What happens after the insertion?
After inserting, you check the balance factor of each node. If any node becomes unbalanced (balance factor > 1 or < -1), you perform rotations to restore balance.
What are the types of rotations used?
There are four types of rotations: Left Rotation, Right Rotation, Left-Right Rotation, and Right-Left Rotation, depending on the imbalance.
Can you give me an example of an insertion?
Absolutely! Let's say we insert 30, then 20, and finally 25. After inserting 25, the tree will perform a Left-Right Rotation to balance.
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