Heapify an array into a max-heap

Q: Heapify an array into a max-heap

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Question

Given the array [6, 15, 2, 4, 3, 8, 19], apply heapify to build a max-heap using the standard in-place bottom-up method with a 0-indexed array representation. What is the final array after heap construction? Show key steps or justify your result.

Heapify an array into a max-heap

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