Question: What color is the root node of a Red-Black tree?
Options:
Red
Black
It can be either
None of the above
Correct Answer: Black
Solution:
The root node of a Red-Black tree is always black, which helps maintain the properties of the tree.
What color is the root node of a Red-Black tree?
Practice Questions
Q1
What color is the root node of a Red-Black tree?
Red
Black
It can be either
None of the above
Questions & Step-by-Step Solutions
What color is the root node of a Red-Black tree?
Step 1: Understand what a Red-Black tree is. It is a type of binary search tree with specific properties.
Step 2: Learn about the properties of a Red-Black tree. One of these properties states that the root node must always be black.
Step 3: Remember that this rule helps keep the tree balanced and ensures efficient operations like insertion and deletion.
Red-Black Tree Properties – A Red-Black tree is a balanced binary search tree with specific properties, including that the root must always be black.
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