Why do we impose restrictions like . root property is black . every leaf is black . children of red node are black . all leaves have same black

Why do we impose restrictions like . root property is black . every leaf is black . children of red node are black . all leaves have same black Correct Answer to get logarithm time complexity

We impose such restrictions to achieve self balancing trees with logarithmic complexities for insertions, deletions, search.
Bissoy MCQ

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