algorithm Archives - Page 15 of 16

What does O(log n) mean exactly?

I am learning about Big O Notation running times and amortized times. I understand the notion of O(n) linear time, meaning that the ...

April 10, 2022
0 Comments

How can I pair socks from a pile efficiently?

Yesterday I was pairing the socks from the clean laundry and figured out the way I was doing it is not very efficient. ...

April 9, 2022
0 Comments

How do I check if an array includes a value in JavaScript?

What is the most concise and efficient way to find out if a JavaScript array contains a value? This is the only way ...

April 9, 2022
0 Comments

What is a plain English explanation of “Big O” notation?

I’d prefer as little formal definition as possible and simple mathematics. 4 43

April 9, 2022
0 Comments

Why does cache use Most Recently Used (MRU) algorithm as evict policy?

April 7, 2022
0 Comments

Example of O(n!)?

April 7, 2022
0 Comments

Finding the max/min value in an array of primitives using Java

Using Commons Lang (to convert) + Collections (to min/max) import java.util.Arrays; import java.util.Collections; import org.apache.commons.lang.ArrayUtils; public class MinMaxValue { public static void main(String...

April 7, 2022
0 Comments

Find how many connected groups of nodes in a given adjacency matrix

If the input matrix is guaranteed to describe transitive connectivity, it has a peculiar form that allows for an algorithm probing only a subset of ...

April 7, 2022
0 Comments

Good Java graph algorithm library?

If you were using JGraph, you should give a try to JGraphT which is designed for algorithms. One of its features is visualization using the ...

April 6, 2022
0 Comments

Generating all permutations of a given string

public static void permutation(String str) { permutation("", str); } private static void permutation(String prefix, String str) { int n = str.length(); if (n ...

April 6, 2022
0 Comments