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Which property must a Red-Black Tree satisfy?

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Question: Which property must a Red-Black Tree satisfy?

Options:

  1. Every node is either red or black
  2. The root must be red
  3. All leaves must be red
  4. Every red node must have two black children

Correct Answer: Every node is either red or black

Solution: 

In a Red-Black Tree, every node must be either red or black, which helps maintain balance.

Which property must a Red-Black Tree satisfy?

Practice Questions

Q1
Which property must a Red-Black Tree satisfy?
  1. Every node is either red or black
  2. The root must be red
  3. All leaves must be red
  4. Every red node must have two black children

Questions & Step-by-Step Solutions

Which property must a Red-Black Tree satisfy?
  • Step 1: Understand that a Red-Black Tree is a type of binary search tree.
  • Step 2: Know that each node in the tree can be colored either red or black.
  • Step 3: Remember that the coloring helps keep the tree balanced.
  • Step 4: Learn the specific properties that must be satisfied in a Red-Black Tree, such as:
  • - Every node is either red or black.
  • - The root node is always black.
  • - Red nodes cannot have red children (no two red nodes in a row).
  • - Every path from a node to its descendant null nodes must have the same number of black nodes.
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