4. Consider the following potential red-black trees (with the keys left out). We can represent black nodes by hashed lines and red nodes by no hashed lines. Which of the following are valid red-black trees? For each that is not a valid red-black tree, give a reason why it is not a red-black tree.
4. Consider the following potential red-black trees (with the keys left out). We can represent black nodes by hashed lines and red nodes by no hashed lines. Which of the following are valid red-black trees? For each that is not a valid red-black tree, give a reason why it is not a red-black tree.
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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![4. Consider the following potential red-black trees (with the keys left out). We can represent
black nodes by hashed lines and red nodes by no hashed lines. Which of the following are
valid red-black trees? For each that is not a valid red-black tree, give a reason why it is not
a red-black tree.
I.
TII.
II. R
II,
I.
П.
III.
IV.
V.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6cf39c39-87da-4f33-bdc3-742db4a73623%2F49db401f-8a28-422b-9fdc-d09bf2754cba%2Fk32kemk_processed.png&w=3840&q=75)
Transcribed Image Text:4. Consider the following potential red-black trees (with the keys left out). We can represent
black nodes by hashed lines and red nodes by no hashed lines. Which of the following are
valid red-black trees? For each that is not a valid red-black tree, give a reason why it is not
a red-black tree.
I.
TII.
II. R
II,
I.
П.
III.
IV.
V.
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