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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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Heapsort implementation in C++14

Please review the following implementation of heapsort and pay attention to the following: Have I correctly chosen the names InputIt and BidirIt for my iterators? Is there a way to make the initiali …
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