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Binary Search Tree. If best case is the number being searched for is root, O(1) or...

Binary Search Tree. If best case is the number being searched for is root, O(1) or O(log2^n), average case is O(logn), and worst case is O(n), what are some techniques for keeping the BST balanced so that the search will always be logarithmic?
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Answer #1

We've few trees these're designed as so that we'll be able to search the required number in logarithemic time.

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