DSA

A detailed blog on Data Structures and Algorithms (DSA) in which you will learn how to solve different problems that are asked in tech interviews of both small and big companies in Java, Python, and C++ coding languages

Explaining TreeMap in Java in Simple English

TreeMap in Java, just like the HashMap, is part of the java collection framework. It is a red-black tree-based implementation…

3 years ago

How to Calculate the Factorial of a given number

In this blog, we will see how to calculate the factorial of a given number even if that number is…

3 years ago

How to Merge Two Sorted Arrays

In this blog, we're going to learn how to merge two sorted arrays into a single sorted array using different…

3 years ago

Explaining Selection Sort Algorithm in Simple English

Selection Sort Algorithm is an in-place comparison-based sorting algorithm that sorts the array by repeatedly finding and...

3 years ago

How to solve nCr%p using Fermat’s Little Theorem?

Given three numbers n, r and p, compute the value of nCr%p. Here p is a prime number greater than…

3 years ago

How to Solve nCr%p using Dynamic Programming

We are given three integers n, r, and p, we have to find the value of nCr%p. Here p is…

3 years ago

HashMap in Java Explained in Simple English with Examples.

HashMap in Java is a part of the Java Collection Framework which stores data in the form of Key and…

3 years ago

How to Sort an Array of 0s, 1s and 2s in Java

Given an array A[] of 0s, 1s, and 2s of size N, the task is to write a function that…

3 years ago

How to Rotate an Array in Java

In this blog, we will learn what exactly array rotation is? And how to rotate an array either in the…

3 years ago

How to Calculate the leaders in an Array

Leaders in an array are those elements that are greater than the elements on their right-hand side in the array.…

3 years ago