Introduction If you are a programmer, then while studying data structures and algorithms, you might have come across the following problems: Find the length of the longest subsequence of one string which is a substring of another string. If not, ...

Introduction Let’s say you have an array of n numbers, and this array can contain numbers from 0 to n-1. And for the numbers up to n, which are not present in the array, it has -1. Now we have ...

Introduction Why don’t you give a try to solve the problem by yourself before reading the article from here are array Sort 0 1 2? Please make sure you try at least once it will help you understanding more. The ...

Inversion count for an array is defined as for an array (say arr) with size n, two elements form an inversion arr[i] and arr[j] for every i and j such that arr[i] > arr[j]. This problem is most asked in ...

Arrays are a collection of items which can be accessed by a single key. The article will explain on converting an object to an array in PHP. Because Arrays in PHP can be used for storing data which is logically ...

This is the concept where both count and toggle queries are applied to the binary array. Count Query is used when there is a need to calculate a number of specific bits it appears in any piece of code. We ...

In this article, we will learn about the concept of array decay in C++ and the various methods by which it can be prevented. The loss of size and dimensions of our array is called an array decay. It can lead ...

To implement Deque employing a circular array we should track 2 pointer front and rear within the array, all the operations are on these 2 pointers. The which means of circular array will be understood by the image below. In ...

C++ STL has a bunch of algorithms in itself. Sorting, numeric, removal, modifying and non-modifying algorithms are some examples. In the article let’s talk about the famous mutating and non-mutating algorithms in C++. Mutating Algorithms: These algorithms are modifying algorithms ...

One of the most famous interview questions for beginners as well as Java developers with two-three years of experience is the difference between ArrayList and LinkedList. Before getting into differences, let’s understand the similarities between ArrayList and LinkedList so that ...