random arrangement

The Array.prototype.sort method was mistakenly used by many JavaScript programmers to arrange arrays randomly. Recently done the front-end Star Plan Challenge Project, a realization of blackjack game problem, found that many students used

Note: The input formula is difficult. In this article, C (n, k) is used to represent the combination, n is K, P (n, k) is used to represent the arrangement, n is k, and Σ K is ~ B Indicates the sum. 5.1 employment problems Suppose you want to hire a

I. Opening After the previous article , we will discuss some problems based on the permutation itself, including: finding the next full arrangement (next permutation ); returns the permutation sequence of the specified position, and returns the

In the case of employment issues, if the applicant appears in a random order, the expected number of times to hire a new office assistant is lnn. This algorithm changes with the input changes. For a specific input, it will alwaysGenerate a fixed

Blog content is about the shell script number of the arrangement, more basic, mainly sharing logic, there are better ideas to share in the review of common progress.The script implementation prompts the user to enter 3 integers sequentially, and the

A random algorithm involves a large amount of probability theory knowledge. Sometimes it is rare to carefully look at the derivation process. Of course, it is advantageous to fully understand the derivation process. If you do not know the derivation

In this paper, we describe the method of random shuffling of JavaScript array to realize random shuffle function. Share to everyone for your reference. The specific analysis is as follows: This JS code can be in the array of elements of random

Generate a random arrangement: The permute () function is used to disrupt the order of arrays. The function of the random () function is to generate a random number 0-> n-1. The function of swap () is to exchange the values of elements I and J

Today to interview to do a set of questions, there is a problem is the array random arrangement. There is no concept in my mind, just because the last few days I looked at the fifth chapter of JavaScript Advanced Programming 3, the array ordering

This article mainly introduces how to implement the random shuffling function by random arrangement of JavaScript arrays, involving list-based javascript. the sort method can be used to randomly arrange arrays. It is of great practical value. For