Tools

Aim

Overview

Pretest

Red Black Tree

Aim Concept Structure and Properties Quiz

Red Black Tree Operations

Aim Rotation Insertion Deletion Search Demo Practice Exercise Quiz

Posttest

Red Black Tree

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1. What is the worst case Time Complexity for Searching, Insertion, and Deletion in a Red Black tree? Let ‘n’ be the number of nodes.

a: O (n) Explanation

Explanation

b: O (log n) Explanation

Explanation

c: O (1) Explanation

Explanation

d: None of these Explanation

Explanation

2. What is the use of Rotations in Red Black Trees?

a: To increase height of a subtree Explanation

Explanation

b: To decrease height of a subtree Explanation

Explanation

c: To maintain the maximum height as O (log n) Explanation

Explanation

d: To change the order of elements Explanation

Explanation

3. Let Z be the node to be inserted in the RB Tree. The uncle node of Z is black. Node Z, its parent node, and its grandparent node form a line. How would you insert it?

a: Color the node as black. Explanation

Explanation

b: Rotate the grandparent of Z and recolor the parent and grandparent of Z to fix violations. Explanation

Explanation

c: Rotate parent of Z Explanation

Explanation

d: Recolor grandparent of Z Explanation

Explanation

4. How would you delete a Red Leaf node?

a: Simply delete the leaf node Explanation

Explanation

b: Recolor the red node to black Explanation

Explanation

c: Delete the leaf node and recolor its parent to red Explanation

Explanation

d: None of these Explanation

Explanation

5. How to search for a node whose value is less than that of the root node?

a: Traverse recursively along the left subtree Explanation

Explanation

b: Traverse recursively along the right subtree Explanation

Explanation

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