[begin, end) std::make_heap(begin, end); // Sorting the heap by repeatedly extracting the maximum element std::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}; ...
堆排序(Heap Sort)是一树形选择排序。堆排序的特点是:在排序过程中,将R[1..n]看成是一棵完全二叉树的顺序存储结构,利用完全二叉树中双亲节点和孩子节点之间的内在关系(参见:二叉树的顺序存储结构),在当前无序区中选择关键字最大(或最小)的记录。 示例: packagecom.cnblogs.lxj;/***@authorliuxiaojiang*@pac...
array[i] = temp; HeapSize -= 1; MaxHeapify(array,1);//在堆中,堆顶元素下标从1开始 } } void BuildMaxHeap(int * array) { HeapSize = N; for(int i = N/2 ; i>=1 ; i--)//注意i的取值,堆的高度从1 - N/2 { MaxHeapify(array,i); } } void MaxHeapify(int * array,int tem...
maxheap_down(a, 0, i-1); } } heap_sort_asc(a, n)的作用是:对数组a进行升序排序;其中,a是数组,n是数组长度。heap_sort_asc(a, n)的操作分为两部分:初始化堆 和 交换数据。maxheap_down(a, start, end)是最大堆的向下调整算法。 下面演示heap_sort_asc(a, n)对a={20,30,90,40,70,11...
9 Array.prototype.MAX_HEAPTIFY = function (i) { 10 var largest = i; 11 var left = i * 2 + 1; //左孩子节点坐标 12 var right = i * 2 + 2; //右孩子节点坐标 13 14 if (left < heap_size && this[left] > this[largest]) { //这其实是一个剪枝的过程,因为heap_size后面都是排...
Heap Sort Heaps can be used in sorting an array. In max-heaps, maximum element will always be at the root. Heap Sort uses this property of heap to sort the array. Consider an arrayArrwhich is to be sorted using Heap Sort. Initially build a max heap of elements inArr. ...
=i:arr[i],arr[largest]=arr[largest],arr[i]# swap# Heapify the root.heapify(arr,n,largest)# The main function to sort an array of given sizedefheapSort(arr):n=len(arr)# Build a maxheap.foriinrange(n//2-1,-1,-1):heapify(arr,n,i)# Extract elementsforiinrange(n-1,0,-1)...
void BUILD_MAX_HEAP(int A[],int length) { int i; for(i=((length/2)-1);i>=0;i--)//length/2-1,为第一个非叶结点 MAX_HEAPIFY(A,i); } 1. 2. 3. 4. 5. 6. 7. 保持堆的性质 void MAX_HEAPIFY(int A[],int i) {
Sorts the elements in a range of elements in an Array using the IComparable<T> generic interface implementation of each element of the Array. Sort<T>(T[], Int32, Int32, IComparer<T>) Sorts the elements in a range of elements in an Array using the specified IComparer<T> generic int...
Sorts the elements in a range of elements in an Array using the IComparable<T> generic interface implementation of each element of the Array. Sort<T>(T[], Int32, Int32, IComparer<T>) Sorts the elements in a range of elements in an Array using the specified IComparer<T> generic int...