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Heap Sort is a comparison-based sorting algorithm that uses a binary heap data structure. It is efficient with a time complexity of O(n log n).
Example
#include <iostream>using namespace std;void heapify(int arr[], int n, int i) {int largest = i;int l = 2 * i + 1;int r = 2 * i + 2;if (l < n && arr[l] > arr[largest])largest = l;if (r < n && arr[r] > arr[largest])largest = r;if (largest != i) {swap(arr[i], arr[largest]);heapify(arr, n, largest);}}void heapSort(int arr[], int n) {for (int i = n / 2 - 1; i >= 0; i--)heapify(arr, n, i);for (int i = n - 1; i >= 0; i--) {swap(arr[0], arr[i]);heapify(arr, i, 0);}}void printArray(int arr[], int n) {for (int i = 0; i < n; ++i)cout << arr[i] << " ";cout << "\n";}int main() {int arr[] = {60, 20, 40, 70, 30, 10};int n = sizeof(arr) / sizeof(arr[0]);heapSort(arr, n);cout << "Sorted array is \n";printArray(arr, n);}Explanation
C++ Program for Heap Sort - GeeksforGeeks
Apr 15, 2023 · Heap sort is a comparison-based sorting technique based on Binary Heap Data Structure. It can be seen as an optimization over selection sort where we first find the max (or …
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See results only from geeksforgeeks.orgHeapSort
Heap sort is a comparison-based sorting technique based on Binary Heap Data …
C Program for Heap Sort
In this article, we going to deep dive into the sorting algorithm and working of heap …
Heap Sort (With Code in Python, C++, Java and C) - Programiz
Learn how to implement heap sort algorithm in C++, Python, Java and C with code examples. Heap sort is a popular and efficient sorting algorithm that uses a heap …
Heap Sort – Data Structures and Algorithms Tutorials
Jan 2, 2025 · Heap sort is a comparison-based sorting technique based on Binary Heap Data Structure. It can be seen as an optimization over selection sort where we first find the max (or min) element and swap it with the last (or first).
C Program for Heap Sort - GeeksforGeeks
Jan 11, 2024 · In this article, we going to deep dive into the sorting algorithm and working of heap sort. We are also going to implement heap sort in C language. Step 1 : Create a MaxHeap function. This function will change the given array …
Heap sort in C++ - Sanfoundry
This is a C++ program to sort the given data using Heap Sort. 1. Heap sort is a comparison based algorithm. 2. It is improved version of selection sort. 3. The …
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Heap sort in C++ Programming Language - PrepInsta
What is heap sort in C++? A heap is a complete binary tree which is represented using array or sequential representation. It is one of the efficient algorithm for sorting given data in logical order. In this sorting algorithm a tree structure …
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Heap Sort Algorithm (With Code in Python and C++)
Sep 26, 2024 · Heap Sort is one of the popular and faster sorting algorithms. It’s built on the complete binary tree data structure. We will search for the maximum element and put it on the top for the max heap.
Heap Sort Algorithm: Step by Step Guide with C++ Code
Heap sort is a comparison-based sorting algorithm that uses a binary heap data structure to sort elements. It works by constructing a binary heap from the array of elements to be sorted and then repeatedly extracting the maximum element …
Heap Sort Algorithm in C++ – Learn Programming
Oct 11, 2024 · Heap Sort is a comparison-based sorting algorithm that uses a binary heap data structure. It operates in two main phases: building a heap from the input data and then sorting …
How to Write a Heap Sort Program in C++ - decodefix.com
Oct 19, 2024 · Learn how to write and implement an efficient heap sort program in C++ with step-by-step guidance, easy-to-understand code examples.
Heap Sort In C++ With Examples - Software Testing …
6 days ago · Heap sort makes use of max-heap or min-heap to sort the array. The first step in heap sort is to build a min or max heap from the array data and then delete the root element recursively and heapify the heap until there is only one …
C++ Program to Implement Heap Sort - Online Tutorials Library
Mar 3, 2025 · In this article, we learned how to implement Heap Sort in C++, a sorting algorithm that uses a binary heap. We built a Max Heap and sorted the array by removing the largest …
Simple Heap Sort Program in C++ - C++ Programming Concepts
Heapsort can be thought of as an improved selection sort: like that algorithm, it divides its input into a sorted and an unsorted region, and it iteratively shrinks the unsorted region by extracting …
Heap Sort Algorithm - Working And Uses (With Code Examples) …
Heap Sort is a comparison-based sorting algorithm that uses a binary heap to organize elements. It first builds a heap (O (n)) and then repeatedly extracts the root, heapifying (O (log n)), …
Heap Sort in C++ | Guide to Heap Sort in C++ with Examples
Mar 17, 2023 · Heap sort makes use of selecting the highest or lowest element in the given array to sort in ascending or descending order respectively with the maximal or minimal heap. Carry …
C++ program for heap sort | Heap | Prepbytes
Jun 21, 2022 · Heap sort is a sorting algorithm that uses a priority queue data structure to perform a quick sort. In this article we will learn to implement Heap sort in C++.
Heap Sort (With Code in Python, C++, Java and C)
Heap Sort is a popular and efficient sorting algorithm in computer programming. Learning how to write the heap sort algorithm requires knowledge of two types of data structures - arrays and …
Heap Sort Explained with C++ implementation - Medium
Apr 18, 2020 · In computer science, heapsort is a comparison-based sorting algorithm. Before diving deep into the Heap Sort explanation first we’ll learn about array representation of the …
Perform Heap Sort in C++ on Array - CodeSpeedy
Learn how to do heap sort in arrays in C++ with proper algorithm, flexible code, output and summary of the program in a precise manner.
How To Do Heap Sort in C++ - The Research Scientist Pod
Heap Sort is an efficient, comparison-based sorting algorithm that uses a binary heap data structure to sort elements in place. It offers a guaranteed time complexity of O (n log n) in all …
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