Feb 1, 2017 · I'm very new to python, however not new to programming as I've been doing C for some time. So here is my practice of a merge sort, I looked at other questions however they …

Jun 22, 2017 · merge from b else: merge from a Your big-O worries are unfounded. At the k k 'th iteration there remain O(n 2k) O (n 2 k) sublists, but the length of each sublist is O(2k)$ O (2 k) …

Sep 27, 2019 · 3 Merge Sort Merge Sort algorithm is a general-purpose comparison-based sorting algorithm. Most implementations produce a stable sort, in which the order of equal …

Dec 25, 2018 · The code bellow is my implementation for the natural merge exercise in Robert Sedgwick's Algorithms book: Write a version of bottom-up mergesort that takes advantage of …

Jan 9, 2019 · I implemented the linked-list natural merge sort in Python, and I referred to this awesome if not poetic gist and this implementation in Go. Here is my code: # Linked list is …

Oct 23, 2019 · But some implementations (like Python's builtin sorted or list.sort) check small lists to see if they are already sorted. Also, the two halves are usually sorted using a recursive call …

Apr 28, 2018 · I made a merge sort and wanted to ask for code review. It passed all of the unit testing. The idea behind the classic Mergesort algorithm is to divide an array in half, sort each …

Jun 22, 2012 · Since l and r are copied in merge_sort, we can modify them without heart burn. We first reverse the two lists O (n) so that we can use s.pop () from the correct end in O (1) …

Aug 7, 2014 · Last comment to be nitpicky, your merge_sort has a quite unusual behavior as it returns a new list object sometimes (when the original list was longer than 1) and the original …

Oct 18, 2020 · Merge is usually O (m) time, where m is the number of elements involved in the merge. Due to your insertions and deletions, it's rather O (mn), where n is the length of the …