algorithm - Understanding quicksort - Stack Overflow
Sep 23, 2016 · algorithm quicksort(A, lo, hi) is if lo < hi then p := partition(A, lo, hi) quicksort(A, lo, p) quicksort(A, p + 1, hi) Hoare partition scheme vs Lomuto partition scheme The pivot selection The …
algorithm - How to optimize quicksort - Stack Overflow
Sep 17, 2012 · I am trying to work out an efficient quicksort algo. It works okay, but takes long time to run when the number of elements are huge, and certain sections of the array are pre-sorted. I was …
c# - Implementing quicksort algorithm - Stack Overflow
It doesn't - but many refer to this "Implementing quicksort algorithm" question when viewing different implementations. It depends whether you limit yourself to a specific set of rules, or allow the page to …
algorithm - Quicksort with Python - Stack Overflow
Quicksort is not very practical in Python since our builtin timsort algorithm is quite efficient, and we have recursion limits. We would expect to sort lists in-place with list.sort or create new sorted lists with …
Why is quicksort better than mergesort? - Stack Overflow
Sep 16, 2008 · Quicksort has less overhead, so with small n and slow computers, it is better. But computers are so fast today that the additional overhead of a mergesort is negligible, and the risk of …
algorithm - Quick Sort Vs Merge Sort - Stack Overflow
Mar 25, 2009 · Quicksort is also more complicated than mergesort, especially if you want to write a really solid implementation, and so if you're aiming for simplicity and maintainability, merge sort …
algorithm - median of three values strategy - Stack Overflow
I didn't downvote, but I suspect this was downvoted because the question is about the median-of-three strategy as it pertains to quicksort/quickselect, not just finding the median of three elements.
sorting - VBA array sort function? - Stack Overflow
Sorting a multidimensionnal array in VBA The code samples in that thread include: A vector array Quicksort; A multi-column array QuickSort; A BubbleSort. Alain's optimised Quicksort is very shiny: I …
Sorting a multidimensionnal array in VBA - Stack Overflow
Aug 1, 2014 · Here's a multi-column and a single-column QuickSort for VBA, modified from a code sample posted by Jim Rech on Usenet. Notes: You'll notice that I do a lot more defensive coding …
Solving Recurrence Relation (quicksort ) - Computer Science Stack …
I know quicksort to have a runtime of $\\mathcal{O}(n \\log_2 n)$ However trying to solve for it I get something different and I am not sure why that is. Ok, so solving recurrence relations can be ...