In a Red-Black tree, what color is the root node required to be?
Practice Questions
Q1
In a Red-Black tree, what color is the root node required to be?
Red
Black
Either red or black
None of the above
Questions & Step-by-Step Solutions
In a Red-Black tree, what color is the root node required to be?
Step 1: Understand what a Red-Black tree is. It is a type of binary search tree that has specific properties to keep it balanced.
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: Recognize that having the root node as black helps maintain the overall balance of the tree, which is important for efficient operations like searching and inserting.
