Trace first pass of heap sort

Q: Trace first pass of heap sort

This question evaluates understanding of heap sort and heap operations, specifically max-heap construction, root extraction, and subsequent heapify steps during an in-place array sort.

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Question

Given the integer array [7, 6, 3, 5, 4, 1, 2], you apply heap sort to sort it in ascending order using a max-heap implementation.

After building the initial max-heap and performing the first extraction step (swap the root with the last element and then heapify the remaining elements), what is the resulting order of the array?

Options:

A. 1-2-3-4-5-6-7
B. 2-6-3-5-4-1-7
C. 6-5-3-2-4-1-7
D. 5-4-3-2-1-6-7

Trace first pass of heap sort

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Trace first pass of heap sort

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