Top "Heapsort" questions

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.

Quicksort vs heapsort

Both quicksort and heapsort do in-place sorting. Which is better? What are the applications and cases in which either is …

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Why not use heap sort always

The Heap Sort sorting algorithm seems to have a worst case complexity of O(nlogn), and uses O(1) space for …

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Why isn't heapsort stable?

I'm trying to understand why heapsort isn't stable. I've googled this, but haven't found a good, intuitive explanation. I understand …

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Build a max heap for an array

I have a homework question that says: Problem 1: Given the array [ 22 | 25 | 71 | 24 | 18 | 5 | 27 | 32 | 104 | 8 | 23 | 66 ] Build a max-heap for the array. Show all steps …

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How to sort an array in a single loop?

So I was going through different sorting algorithms. But almost all the sorting algorithms require 2 loops to sort the array. …

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Can max/min heap trees contain duplicate values?

I'm wondering if a max or min heap tree is allowed to have duplicate values? I've been unsuccessful in trying …

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Heap Sort: how to sort?

I'm trying to implement Heap Sort in Python, but I can't seem to get it right. I've tried to implement …

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Heap sort using linked lists

I was wondering if anyone has ever used linked lists to do heap sort and if they have could they …

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An intuitive understanding of heapsort?

At school we are currently learning sorting algorithms in Java and I got for my homework the Heap Sort. I …

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Heapsort Algorithm using min-heap

When I implement heapsort using a min-heap it sorts the array from largest to smallest. Is this the desired output …

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