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Lesson 86 / 14958%
Balanced Trees3/4

AVL Rotations (LL, RR, LR, RL)

Four moves keep the balance factor in {-1, 0, +1}.

// BST · left < root < right · search target = 40 → O(log n)50307020406080Click a step to search for 40 in this BST.
Visual explanation diagram · click steps to walk through it

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