Balanced Trees: AVL and Red-Black Trees for Exam Prep

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Balanced Trees: AVL and Red-Black Trees - Typical Problems - Higher Difficulty Problems

Q. Which of the following is a valid sequence of colors for a Red-Black tree?

Solution

The sequence Black, Red, Black is valid as it adheres to the Red-Black tree properties.

Correct Answer: B — Black, Red, Black

Q. Which operation is guaranteed to take O(log n) time in a Red-Black tree?

Solution

All of the operations: insertion, deletion, and search are guaranteed to take O(log n) time in a Red-Black tree.

Correct Answer: D — All of the above

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