Which of the following is the correct property of a min-heap ?
2025
Which of the following is the correct property of a min-heap ?
Answer: B. The key at a parent node is less than or equal to the keys of its children — In a min-heap, every parent node has a key less than or equal to its children's keys. This ensures the smallest element is always at the root, allowing…
- A.
The key at a parent node is greater than or equal to the keys of its children
- B.
The key at a parent node is less than or equal to the keys of its children
- C.
The tree is always balanced
- D.
The tree is always complete
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Correct answer: B
In a min-heap, every parent node has a key less than or equal to its children's keys. This ensures the smallest element is always at the root, allowing efficient retrieval of minimum values.
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