Heapsort Algorithm

A comparison-based sorting algorithm, it divides its input into a sorted and an unsorted region, and it iteratively shrinks the unsorted region by extracting the smallest element and moving that to the sorted region.
Larger nodes don’t stay below smaller node parents. They are swapped with parents, and then recursively checked if another swap is needed, to keep larger numbers above smaller numbers on the heap binary tree.

heapsort-algorithm

Reference: Wikipedia

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