All Easy Articles

Length of longest subsequence whose XOR value is odd

Given an array arr[] of N positive integers, the task is to find the length of the longest subsequence such that Bitwise XOR of all… Read More

Bitwise-XOR

subsequence

Arrays

Bit Magic

DSA

Greedy

Mathematical

Count of substrings of a given Binary string with all characters same

Given binary string str containing only 0 and 1, the task is to find the number of sub-strings containing only 1s and 0s respectively, i.e… Read More

binary-string

sliding-window

substring

two-pointer-algorithm

Arrays

DSA

Greedy

Mathematical

Searching

Strings

Closest pair in an Array such that one number is multiple of the other

Given an array arr[] of integers of size N, the task is to find the closest pair in the given array such that one element… Read More

Arrays

DSA

Greedy

Searching

Minimum minutes needed to make the time palindromic

Given string str which stores the time in the 24 hours format as “HH: MM”. The task is to find the minimum minutes that need… Read More

Clocks

palindrome

C/C++ Puzzles

DSA

Greedy

Mathematical

Strings

Make the string in AP by changing a character

Given a string S that consists of letters such that their ASCII values follow an Arithmetic Progression. The task is to find the letter and… Read More

arithmetic progression

ASCII

DSA

Pattern Searching

Strings

What are the C programming concepts used as Data Structures

Data Types Data-type in simple terms gives us information about the type of data. Example, integer, character, etc. Data-types in C language are declarations for the variables.… Read More

C-Arrays

C-Data Types

C-Dynamic Memory Allocation

C-Structure & Union

Arrays

C Language

Data Structures

DSA

Misc

Array of Structures vs Array within a Structure in C

Both Array of Structures and Array within a Structure in C programming is a combination of arrays and structures but both are used to serve… Read More

Arrays

C-Struct-Union-Enum

C-Structure & Union

Arrays

C Language

DSA

Method References in Java with examples

Functional Interfaces in Java and Lambda Function are prerequisites required in order to grasp grip over method references in Java. As we all know that… Read More

Java 8

java-lambda

Java

Overview of Kalman Filter for Self-Driving Car

A Kalman Filter is an optimal estimation algorithm. It can help us predict/estimate the position of an object when we are in a state of… Read More

GBlog

Geek on the Top

Project

Python

Modulo operator (%) in Python

When we see a ‘%’ the first thing that comes to our mind is the “percent” but in computer language, it means modulo operation(%) which… Read More

Python-Operators

Python

What is widgets in Flutter?

Flutter is Google’s UI toolkit for crafting beautiful, natively compiled iOS and Android apps from a single code base. To build any application we start… Read More

Flutter

Dart

ML | Gini Impurity and Entropy in Decision Tree

Gini Index The Gini Index is the additional approach to dividing a decision tree.Purity and impurity in a junction are the primary focus of the… Read More

Machine Learning

Shapiro–Wilk Test in R Programming

The Shapiro-Wilk’s test or Shapiro test is a normality test in frequentist statistics. The null hypothesis of Shapiro’s test is that the population is distributed… Read More

data-science

Picked

Machine Learning

R Language

ER Diagram of a Company

ER Diagram is known as Entity-Relationship Diagram, it is used to analyze to structure of the Database. It shows relationships between entities and their attributes.… Read More

DBMS-ER model

DBMS

Difference between Firewall and Proxy Server

1. Firewall : Firewall is software program that prevents unauthorized access to or from a private network. All data packets in it are entering or… Read More

Application Layer

Computer Networks

Difference Between

Transforming of I/O Requests to Hardware Operations

We know that there is handshaking between device driver and device controller but here question is that how operating system connects application request or we… Read More

Computer Organization & Architecture

Operating Systems

Functions of Video Controller in Raster Scan System

Functions of Video Controller in Raster Scan System are explained following below. Deflection Voltage : In the output circuitry, it is video controller who generates… Read More

computer-graphics

Misc

Web Operating System

An Operating System is a system software that acts as an interface between computer hardware and programs requesting I/O. It manages computer hardware, software resources… Read More

Operating Systems

Count of numbers upto N having absolute difference of at most K between any two adjacent digits

Given an integer N, the task is to count the numbers up to N having an absolute difference of at most K between any two… Read More

digit-DP

Natural Numbers

number-digits

Algorithms

Arrays

DSA

Dynamic Programming

Mathematical

How to Left or Right rotate an Array in Java?

Given an array arr[] of size N and D index, the task is to rotate the array by the D index. We have two flexibilities… Read More

rotation

Arrays

DSA

Java Programs