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Which of the following properties is true for a Red-Black Tree?

Practice Questions

Q1
Which of the following properties is true for a Red-Black Tree?
  1. Every node is either red or black
  2. The root is always red
  3. All leaves are red
  4. Red nodes can have red children

Questions & Step-by-Step Solutions

Which of the following properties is true for a Red-Black Tree?
  • Step 1: Understand that a Red-Black Tree is a type of binary search tree.
  • Step 2: Know that each node in the tree is colored either red or black.
  • Step 3: Learn the properties that must be followed in a Red-Black Tree:
  • - Property 1: The root node must be black.
  • - Property 2: Red nodes cannot have red children (no two red nodes can be adjacent).
  • - Property 3: Every path from a node to its descendant null nodes must have the same number of black nodes.
  • - Property 4: Every leaf (null node) is considered black.
  • Step 4: These properties help keep the tree balanced, ensuring efficient operations.
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