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 } } void BuildMaxHeap(int * ar...
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] =...
HeapSort(堆排序) #include<iostream>usingnamespacestd;voidexch(int*x,int*y){inttemp=*x;*x=*y;*y=temp;}voidHeapSort(int*array,intn)//array[0]不存放元素{for(inti=(n-1)/2;i>0;i--){if(array[2*i]>array[i])exch(&array[2*i],&array[i]);if(array[2*i+1]>array[i]&&(2*...
sort_heap(begin, end); } // Main function int main() { // Initializing an array of integers for sorting int a[] = {125, 0, 695, 3, -256, -5, 214, 44, 55}; // Displaying the original numbers in the array std::cout << "Original numbers:\n"; std::copy(std::begin(a),...
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. ...
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...
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 ...
Input Array and Sorting: An input array of integers is provided, and each integer is inserted into a heap as a node. The heap is then sorted using the heapsort function, and the sorted array is printed. Flowchart : PHP Code Editor: ...
Consider an array that is to be sorted using heap sort. The steps we follow during heap sort are:- Initially build a max heap of elements in Arr. The root element contains the maximum element i.e. Arr[0]. So swap that element will last element of the heap and then heapify the heap...
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...