All Easy Articles

Caesar Cipher in Cryptography

The Caesar cipher is a simple encryption technique that was used by Julius Caesar to send secret messages to his allies. It works by shifting… Read More

cryptography

Computer Networks

DSA

GATE CS

Strings

Static vs Dynamic Binding in Java

There are certain key points that are needed to be remembered before adhering forward where we will be discussing and implementing static and dynamic bindings… Read More

Java

Cartooning an Image using OpenCV – Python

Computer Vision as you know (or even if you don’t) is a very powerful tool with immense possibilities. So, when I set up to prepare… Read More

GBlog

Project

Socket Programming in Java

This article describes a very basic one-way Client and Server setup where a Client connects, sends messages to the server and the server shows them using… Read More

Computer Networks

Java

Cin-Cout vs Scanf-Printf

Regular competitive programmers face common challenge when input is large and the task of reading such an input from stdin might prove to be a… Read More

cpp-input-output

C Language

C++

Competitive Programming

DSA

Mark-and-Sweep: Garbage Collection Algorithm

There are many garbage collection algorithms that run in the background, of which one of them is mark and sweep. All the objects which are… Read More

Java

Creating a PortScanner in C

Picture a bay where lots of private boats are docked. The location is called a seaport, literally a port at or on the sea. Everyone… Read More

Project

Using Iterations in Python Effectively

Prerequisite: Iterators in Python Following are different ways to use iterators. C-style approach: This approach requires prior knowledge of a total number of iterations. Python… Read More

Python

Simplifying Context Free Grammars

The definition of context free grammars (CFGs) allows us to develop a wide variety of grammars. Most of the time, some of the productions of… Read More

Theory of Computation

Maximum product of a triplet (subsequence of size 3) in array

Given an integer array, find a maximum product of a triplet in the array. Examples: Input: [10, 3, 5, 6, 20]Output: 1200Explanation: Multiplication of 10,… Read More

Amazon

Jugnoo

Snapdeal

Arrays

DSA

Sorting

Iterators in Python

An iterator in Python is an object that is used to iterate over iterable objects like lists, tuples, dicts, and sets. The Python iterators object… Read More

Python

Object Oriented Programming in Python | Set 2 (Data Hiding and Object Printing)

Prerequisite: Object-Oriented Programming in Python | Set 1 (Class, Object and Members) Data hiding In Python, we use double underscore (Or __) before the attributes… Read More

Python

School Programming

In-place Merge two linked lists without changing links of first list

Given two sorted singly linked lists having n and m elements each, merge them using constant space. First n smallest elements in both the lists… Read More

Merge Sort

DSA

Linked List

Permutation and Combination in Python

Python provides direct methods to find permutations and combinations of a sequence. These methods are present in itertools package. Permutation First import itertools package to… Read More

permutation

Combinatorial

DSA

Python

Check if two trees are Mirror

Given two Binary Trees, write a function that returns true if two trees are mirror of each other, else false. For example, the function should… Read More

Amazon

Amazon-Question

D-E-Shaw

Hike

MakeMyTrip

STL

DSA

Queue

Stack

Tree

Count number of unique Triangles using STL | Set 1 (Using set)

We are given n triangles along with length of their three sides as a,b,c. Now we need to count number of unique triangles out of… Read More

STL

triangle

C Language

C++

Copy set bits in a range

Given two numbers x and y, and a range [l, r] where 1 <= l, r <= 32. The task is consider set bits of… Read More

Adobe

D-E-Shaw

Bit Magic

DSA

Rearrange array in alternating positive & negative items with O(1) extra space | Set 2

Given an array of positive and negative numbers, arrange them in an alternate fashion such that every positive number is followed by negative and vice-versa.… Read More

Arrays

DSA

Check if a number is Bleak

A number ‘n’ is called Bleak if it cannot be represented as sum of a positive number x and set bit count in x, i.e.,… Read More

SAP Labs

SAP-Labs-Question

Bit Magic

DSA

Comparable vs Comparator in Java

Java provides two interfaces to sort objects using data members of the class: ComparableComparatorUsing Comparable Interface A comparable object is capable of comparing itself… Read More

Java