heapsort

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C++ heapsort confusion

This might be a weird question but I\'m trying to figure out why the following code works. It seems as though this code should be used where the heap elements index starts at 1 but it\'s starting at[详细]

2023-04-12 01:16 分类：问答
heapsort implementation in c++

i have following code for heapsort #include <iostream> using namespace std; void exch(int a[],int i,int j){[详细]

2023-04-10 05:53 分类：问答
Heapsort running time when input in Decreasing order sorted

What is the running time of heap sort when the input is already in reverse sorted. Could anyone开发者_如何转开发 please explain?I\'m confused..It will be O(n log n) because even though the heap will[详细]

2023-03-30 01:16 分类：问答
max heapify algorithm from Cormen with zero-indexing

I am trying to implement max heapify algorithm given in Algorithms Book here The algo in book is MAX-HEAPIFY(A,i)[详细]

2023-03-14 14:30 分类：问答
Trouble creating a descending heap sort in C

void heapSort(int list[], int last) { // Local Declarations int sorted; int holdData; int walker; // Statements[详细]

2023-03-09 14:28 分类：问答
Get heapsort to print in ascending order

This program takes an array of n length, and uses heapsort to pull the smallest k elements back out.I have gotten the k number smallest elements out of the array, but I have been trying for several ho[详细]

2023-02-23 14:46 分类：问答
Decending Order Heap Sort

I\'ve been trying to learn how to implement a heapsort. In particular, I have a heapsort algorithm which sorts the input in acending order,[详细]

2023-02-19 06:54 分类：问答
Modifying a heap in O(lgn) time

I\'ve been trying to figure this out for a cou开发者_开发问答ple days now. I have a problem for school that says the following:[详细]

2023-02-12 05:54 分类：问答
Trying to implement HeapSort

I am getting stuck on heapSort. I have some code but I think its pretty wrong since I\'m having hard time compiling it. Any suggestions? Heap sort should be fairly easy to implement but I have bunch o[详细]

2023-02-11 03:56 分类：问答
PostgreSQL: How to force db use the "quicksort" sorting method instead of "top-N heapsort"?

Actually, all my question is written in subj-field. It\'s it somehow possible in PostgreSQL? Probably at server-config level, or can be configured in query, or in properties of table?[详细]

2023-02-11 01:19 分类：问答