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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 With Full-Scale Genericity

I've written a heapsort implementation. It's generic: generic comparators and sequences with elements of a generic type. The implementation (follows closely chapter 6 from Introduction to Algorithms …
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