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Heapsort is an efficient comparison-based sorting algorithm that divides an input into a sorted and an unsorted part and iteratively shrinks the unsorted part by extracting the largest element and moving that to the sorted part. Run time is O(n log n).

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Max-heap implementation in C

Avoid FP math for an integer problem floor(log2(max_heap->size)) is overkill and at some level risks incorrect results with less than ideal FP functions. A simply loop will suffice. unsigned log2 = 0 …
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