All Medium Articles

OpenGL program for simple Animation (Revolution) in C

OpenGL is a cross-language, cross-platform API for rendering 2D and 3D Vector Graphics. Using this, we can make a lot of design as well as… Read More

Design Pattern

System Design

Coroutines in C/C++

Coroutines are general control structures where flow control is cooperatively passed between two different routines without returning. If you have used Python or C#, you may… Read More

C Language

C++

Output of C programs | Set 32

Predict the output of the following C programs.1. What will be the output of following program? Input: 1 3 C #include<stdio.h> int main() { int a,… Read More

Misc

Print the path common to the two paths from the root to the two given nodes

Given a binary tree with distinct nodes(no two nodes have the same data values). The problem is to print the path common to the two… Read More

LCA

DSA

Tree

Project Idea | AI Therapist

Project Title : AI therapist Introduction: Input is user provided description about how his day went in two-three lines. Using natural language processing, our program… Read More

progeek

Project

Classification and Programming of Read-Only Memory (ROM)

Read-Only Memory (ROM) is the primary memory unit of any computer system along with the Random Access Memory (RAM), but unlike RAM, in ROM, the… Read More

Digital Logic

GATE CS

Choose maximum weight with given weight and value ratio

Given weights and values of n items and a value k. We need to choose a subset of these items in such a way that… Read More

DSA

Dynamic Programming

How to begin Contributing to DuckDuckGo’s Open Source Community

Prerequisite : Making your first Open Source Pull Request | Github If you are new to open source and want to contribute to it, you… Read More

Misc

Finding ‘k’ such that its modulus with each array element is same

Given an array of n integers .We need to find all ‘k’ such that arr[0] % k = arr[1] % k = ....... = arr[n-1]… Read More

DSA

Mathematical

Find mirror of a given node in Binary tree

Given a Binary tree, the problem is to find the mirror of a given node. The mirror of a node is a node which exists… Read More

DSA

Tree

OYO Rooms Interview Experience | Set 6 (For Senior Software Developer)

First Round: (Written) Maximum sum of non-contiguous elements in array Input : 1 12 5 4 13 Output: 25 Given an array of integers, find… Read More

OYO Rooms

Arrays

DSA

Experiences

Interview Experiences

Tree

Count Balanced Binary Trees of Height h

Given a height h, count and return the maximum number of balanced binary trees possible with height h. A balanced binary tree is one in… Read More

DSA

Dynamic Programming

Mathematical

Tree

Amazon Interview Experience | Set 356 (For 6 Year Experienced)

I went through some interview rounds for SDE-2 in amazon. Below is the format. Round1: It was a test on HackerEarth with two programming questions… Read More

Misc

std::is_permutation in C++ STL

The C++ function std::algorithm::is_permutation() tests whether a sequence is permutation of other or not. It uses operator == for comparison. This function was defined in… Read More

cpp-algorithm-library

STL

C++

Program for Least Recently Used (LRU) Page Replacement algorithm

Prerequisite: Page Replacement AlgorithmsIn operating systems that use paging for memory management, page replacement algorithm are needed to decide which page needed to be replaced… Read More

DSA

GATE CS

Greedy

Operating Systems

Find median of BST

Given a Binary Search Tree, find the median of it. If number of nodes are even: then median = ((n/2th node + ((n)/2th+1) node) /2 If… Read More

Amazon

Google

median-finding

Order-Statistics

statistical-algorithms

Traversal

Binary Search Tree

DSA

Multi-threaded Chat Application in Java | Set 2 (Client Side Programming)

Prerequisites : Introducing threads in socket programming, Multi-threaded chat Application | Set 1 This article gives the implementation of client program for the multi-threaded chat… Read More

Java-Multithreading

Java-Networking

Java

Multi-threaded chat Application in Java | Set 1 (Server Side Programming)

Prerequisites : Introducing threads in socket programmingIn the above article, a simple date time server was created which handled multiple user requests at the same… Read More

Java-Multithreading

Java-Networking

Java

Introducing Threads in Socket Programming in Java

Prerequisites : Socket Programming in Java This article assumes that you have basic knowledge of socket programming in java and the basic details of client-server… Read More

Misc

Image Processing in Java – Contrast Enhancement

Prerequisites: Image Processing in Java – Read and WriteImage Processing In Java – Get and Set PixelsImage Processing in Java – Colored Image to Grayscale… Read More

Image-Processing

OpenCV

Java