From 633f8a69c8233d46896917b7430195ab5a2a4a37 Mon Sep 17 00:00:00 2001
From: Dhiraj Bagad <119125750+DHIRAJ44@users.noreply.github.com>
Date: Wed, 9 Oct 2024 23:31:40 +0530
Subject: [PATCH] Create Heapsort2024.cpp

---
 Heapsort2024.cpp | 74 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100644 Heapsort2024.cpp

diff --git a/Heapsort2024.cpp b/Heapsort2024.cpp
new file mode 100644
index 00000000..27d13510
--- /dev/null
+++ b/Heapsort2024.cpp
@@ -0,0 +1,74 @@
+
+#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]);
+
+	for(int i=n/2 -1;i>=0;i--){
+	heapify(arr,n,i);
+}
+
+cout << "After heapifying array is \n";
+	printArray(arr, n);
+
+
+	heapSort(arr, n);
+
+	cout << "Sorted array is \n";
+	printArray(arr, n);
+	
+return 0;
+}
+