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Which of the following is a characteristic of Red-Black Trees?

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Question: Which of the following is a characteristic of Red-Black Trees?

Options:

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

Correct Answer: Every node is either red or black

Solution: 

In Red-Black Trees, every node is colored either red or black, and there are specific properties that maintain balance, including that no two red nodes can be adjacent.

Which of the following is a characteristic of Red-Black Trees?

Practice Questions

Q1
Which of the following is a characteristic of Red-Black Trees?
  1. Every node is either red or black
  2. The root must be red
  3. All leaves are black
  4. Red nodes can have red children

Questions & Step-by-Step Solutions

Which of the following is a characteristic of Red-Black Trees?
  • 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 of Red-Black Trees that help keep them balanced.
  • Step 4: One important property is that no two red nodes can be next to each other (adjacent).
  • Step 5: Remember that the root node must always be black.
  • Step 6: Every path from a node to its descendant leaves must have the same number of black nodes.
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