Dutch flag problem and quick sorting

Hello, I'm Monday.In recent articles on algorithms, we talked about merge sorting. Merge sorting is almost the same. Today we talk about quick sorting.1, Dutch flag issue1. What is the Dutch flagThe Dutch flag is composed of red, white and blue stripes, as shown in the figure below:Suppose that there are multiple stripes, the number of colors i ...

Posted on Thu, 02 Dec 2021 19:47:29 -0500 by public-image

Recursive Divide--Example 4. Quick sorting

Recursive Dividing - Example 4. Quick Sorting 1. Description of the problem Given an array, use the quick sort algorithm to sort. 2. Solving problems Familiar QuickRow, written several times before. RandomizedQuickSort, an algorithm for random pivot selection, is also extended here. The idea of Quick Row is simple: For input a[p:r], sort ...

Posted on Tue, 30 Nov 2021 14:11:50 -0500 by harley1387

MPI + OpenMP for quick sorting

subject Combined with an example in the field of high-performance parallel computing, use MPI + OpenMP parallelization to write code and write a report to test the parallel efficiency. method Define quick sort quickSort function and sort total NUM;Generate a two-dimensional inverse array with size * calculateSize, where MPI is used_ Comm_ Si ...

Posted on Sun, 31 Oct 2021 06:18:10 -0400 by Charles Wong

Algorithmic Base Part 2-Divide

Algorithmic Part Base 2 1. Examples of algorithms _This chapter mainly studies the knowledge of division and division, because it is the most basic binary search and check sorting, followed by in-depth study. These algorithms need to be made very clear, backwards like flow, have been studied before, but there is no record, this time look agai ...

Posted on Sat, 11 Sep 2021 15:51:15 -0400 by Rustywolf