void HeapSort(int * array) { BuildMaxHeap(array); for(int i=N-1 ; i>=0 ; i--)//数组中下标从0 - N-1 { int temp = array[0]; array[0] = array[i]; array[i] = temp; HeapSize -= 1; MaxHeapify(array,1);//在堆中,堆顶元素下标从1开始
self.heapsize -=1self.max_heapify(0)returnmaxeledefheap_sort(self):""" using recurrence to impelete, can also use for loop """ifself.heapsize ==1:returnself.listself.build_max_heap() temp = self.list[0] self.list[0] = self.list[self.heapsize-1] self.list[self.heapsize-1] =...
Write a C++ program to sort an array of elements using the Heapsort sort algorithm.Sample Solution:C++ Code :// Including necessary C++ libraries #include <algorithm> #include <iterator> #include <iostream> // Function to perform heap sort algorithm template<typename RandomAccessIterator> void he...
堆排序(Heap-Sort)是堆排序的接口算法,Heap-Sort先调用Build-Max-Heap将数组改造为最大堆,然后将堆顶和堆底元素交换,之后将底部上升,最后重新调用Max-Heapify保持最大堆性质。由于堆顶元素必然是堆中最大的元素,所以一次操作之后,堆中存在的最大元素被分离出堆,重复n-1次之后,数组排列完毕。整个流程如下图: Ja...
#include<random> #include"my_algorithm.h" #include"SortTestHelper.h" int main() { using namespace SortTestHelper; size_t arrLen = 1000000; cout << "随机数组:数组元素数量=" << arrLen << endl; int* arr11 = generateRandomArray(arrLen, 0, arrLen); int* arr12 = copyIntArray(arr11...
The main breaking change is that nowtop(N)does NOT sort the output, because sorting should not be part of the spec for a priority queue. The output is the top N elements, and they will bepartially orderedwith the peek at index0by definition. ...
The heap sort algorithm starts by using procedure BUILD-HEAP to build a heapon the input array A[1 . . n]. Since the maximum element of thearray stored at the root A[1], it can be put into its correct finalposition by exchanging it with A[n] (the last element in A).If we ...
其右子节点必位于array 的2i+1索引处 其父节点必位于i/2索引处 通过这么简单的位置规则,array可以轻易实作出完全二叉树。 这种以array表述tree的方式 , 我们称为隐式表述法( implicit representation) 这么一来,我们需要的工具就很简单了:一个array和一组heap算法(用来插入元素、删除元素、取极值、将某一整组数...
heapSortAlgo(arr, n); cout << "Using heap sort the generated sorted array is \n"; display(arr, n); } The output of the execution of the above program in C++ language is as shown below – Time complexity The time complexity of the heap sort is O(nlogn). On the other hand, when...
Example of Heap Sort in C++ This technique uses binary heap which is constructed using a complete binary tree where the root node is greater than its two children nodes. Consider the given array of data sets. Let us go according to the algorithm. It says to select the highest element as ...