Red Black Tree

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1. What is the unique property of Red Black Trees that distinguishes them from a normal Binary Search Tree?

a: They use colors Red and Black to represent nodes. Explanation

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b: They are height balanced. Explanation

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c: They guarantee O(log n) worst-case time complexity for insertion and deletion. Explanation

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d: None of these. Explanation

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2. If a node is red in a Red Black Tree, what can be determined about its parent node?

a: Parent node is the root node. Explanation

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b: Color of parent node is black. Explanation

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c: Color of parent node is red. Explanation

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d: None of these. Explanation

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3. Why were Red Black Trees invented and used?

a: There was a need for a type of balanced tree that can be used to organize comparable data. Explanation

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b: There was a need for a colored balanced tree. Explanation

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c: There was a need for a tree data structure with O(log n) worst-case time complexity for insertion and deletion. Explanation

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d: None of these. Explanation

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