All Easy Articles
Bitwise XOR of a Binary array
Given a binary array arr[], the task is to calculate the bitwise XOR of all the elements in this array and print it. Examples:  Input:… Read More
binary-string
Bitwise-XOR
Arrays
Bit Magic
DSA
Strings
15 Best Paying Bug Bounty Programs in the World
Do you remember the first code you’ve written (probably, the Hello World program) and how many errors you made in that basic program? Maybe a… Read More
GBlog
What is Parallel Processing ?
Parallel processing is used to increase the computational speed of computer systems by performing multiple data-processing operations simultaneously. For example, while an instruction is being… Read More
Computer Organization & Architecture
Write From Home
Which Python Modules are useful for competitive programming?
In the previous article, we have discussed that C++, Java and Python are three most common languages for competitive programming. In this article, we are… Read More
interview-preparation
Competitive Programming
DSA
Misc
Python
Quoting Mechanisms in Linux
In Linux Shell, many special characters have their own special meanings. Sometimes they are used to perform an action while other times they are just… Read More
Linux-Unix
Write From Home
How to validate time in 12-hour format using Regular Expression
Given a string str, the task is to check whether the string is valid time in 12-hour format or not by using Regular Expression. The valid… Read More
java-regular-expression
DSA
Pattern Searching
Strings
Print the sequence of size N in which every term is sum of previous K terms
Given two integers N and K, the task is to generate a series of N terms in which every term is sum of the previous… Read More
series
Arrays
Competitive Programming
DSA
Mathematical
Puzzle | Can a Knight reach bottom from top by visiting all squares
Puzzle Is there a way for a chess knight to start at the top-left corner from a N x N chessboard, visit all the squares… Read More
Analytical Mathematical Puzzles
chessboard-problems
Puzzles
Sum of elements of an AP in the given range
Given an arithmetic series in arr and Q queries in the form of [L, R], where L is the left boundary of the range and… Read More
arithmetic progression
array-range-queries
Arrays
DSA
Mathematical
Fair-share CPU scheduling
Fair-share scheduling is a scheduling algorithm that was first designed by Judy Kay and Piers Lauder at Sydney University in the 1980s. It is a… Read More
Operating Systems-CPU Scheduling
Picked
Operating Systems
Difference between MySQL and PostgreSQL
A database is a collection of information that is structured in such a way that it is easy to manage and update. To make this… Read More
Picked
DBMS
Difference Between
SQL
Boundary Level order traversal of a Binary Tree
Given a Binary Tree, the task is to print all levels of this tree in Boundary Level order traversal. Boundary Level order traversal: In this… Read More
Binary Tree
Tree Traversals
tree-level-order
DSA
Queue
Tree
Construct a Doubly linked linked list from 2D Matrix
Given a 2D matrix, the task is to convert it into a doubly-linked list with four pointers that are next, previous, up, and down, each… Read More
doubly linked list
Backtracking
DSA
Linked List
Matrix
Recursion
Check if a subarray exists with sum greater than the given Array
Given an array of integers arr, the task is to check if there is a subarray (except the given array) such that the sum of… Read More
subarray
subarray-sum
Arrays
DSA
Mathematical
Count of groups having largest size while grouping according to sum of its digits
Given an integer N, the task is to find the number of groups having the largest size. Each number from 1 to N is grouped… Read More
number-digits
Python dictionary-programs
DSA
Mathematical
Find the real and imaginary part of a Complex number
Given a complex number Z, the task is to determine the real and imaginary parts of this complex number.Examples:   Input: z = 3 + 4i Output:… Read More
DSA
Mathematical
School Programming
Difference between Intranet and Extranet
1. Intranet : Intranet is owned by a single organization and is a tool for sharing information throughout the organization.It is the type of Internet that… Read More
Computer Networks
Difference Between
Peripheral Component Interconnect (PCI)
PCI stands for Peripheral Component Interconnect.  It could be a standard information transport that was common in computers from 1993 to 2007 or so. It… Read More
Picked
Computer Networks
Full Form
Difference between Lossless and Lossy Join Decomposition
The process of breaking up of a relation into smaller subrelations is called Decomposition. Decomposition is required in DBMS to convert a relation into a… Read More
DBMS
Difference Between
GATE CS
Difference between Primary key and Super key
Prerequisite – Keys in Relational Model 1. Super Key: Super Key is an attribute (or set of attributes) that is used to uniquely identifies all… Read More
Picked
DBMS
Difference Between
GATE CS
We use cookies to ensure you have the best browsing experience on our website. By using our site, you acknowledge that you have read and understood our Cookie Policy & Privacy Policy
Lightbox