In this post, we will look at prefix sums and how they can be used to solve a common coding problem, that is, calculating the sum of an array (segment). This article will use Java for the code samples but the concept should apply to most programming languages.

In this article, we’ll discuss in-depth, how to move all negative elements to end. We’ll also discuss 2 approaches to solve the below problem. 

Have you ever written a program for pairing alternate positive and negative numbers? If not, then you are missing some great opportunities. 

Use an algorithm to find out if the king on a chess board is on check

Laravel PEST Test Solution - A Facade Root Has Not Been Set

Leetcode is famous for being a perfect platform for practicing coding problems and to master coding interviews, unlike others, it is not for competitive program