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OpenGenus IQ, an open-source Computer Science Publication House, is driven by 2500+ BSc/MSc/PhD holders globally, exploring Algorithms, Deep Learning, System Design, and more since 2017.

Algorithms

Adjacency Matrices Explained: A Representation of Graphs

In this article, we have explained the idea of Adjacency Matrix which is good Graph Representation. We have presented it for different cases like Weighted, undirected graph along with implementation and comparison with Adjacency List.

Joe Gorst Joe Gorst
Software Engineering

Terms in CPU Scheduling: Arrival, Burst, Turnaround, Completion Time and more

This article is all about the basic terminologies in CPU Scheduling such as Arrival, Waiting, Burst, Turnaround, Completion Time and more in Simple Words and we will discuss about it in detail with a real world example.

Manikanta Nynala
C++

Size of 2D vector in C++

In this article, we will learn how to get size of 2D vector in C++. This topic has a wide applications such as in graphs, or even in machine learning. Getting used to handling 2D vectors in C++ helps us approach our problems easier.

Linh Vu
Theory of Computation

Interview Questions on Theory of Computation (MCQ)

In this article, we have present Interview Questions on Theory of Computation (MCQ). You must attempt these questions. All answers have been provided which will help you get prepared in Theory of Computation.

OpenGenus Tech Review Team OpenGenus Tech Review Team
Rust Programming

Interview Questions on Rust Programming (MCQ)

In this article, we have presented the most asked Interview Questions on Rust Programming (MCQ). You must try to answer this to judge your expertise in Rust Programming Language. All questions have been explained with answers.

OpenGenus Tech Review Team OpenGenus Tech Review Team
Algorithms

Merge two sorted linked lists

In this article, we will learn how to Merge two sorted linked list such that the final linked list is also sorted in linear time O(N).

Kartik Keyan Kant Kartik Keyan Kant
Data Structures

Scapegoat tree

In this article, we will explore in detail about Scapegoat tree which is a Self Balancing Binary Tree without requiring any extra space which puts Scapegoat Tree at an unique advantage.

Sanjana Babu
Algorithms

Longest Common Prefix

In this article, we are going to explore different approaches to find the longest common prefix between two strings. Same techniques can be applied to find the Longest Common Prefix for multiple strings.

Thompson Mina
Algorithms

4 Sum problem

In this article, we have explored an insightful approach/ algorithm to find the 4 elements in an array whose sum is equal to the required answer (4 Sum problem). This concept finds many uses in computational geometry.

Rohan Chandrashekar Rohan Chandrashekar
Deep Learning

ShuffleNet Series (Part 2): A Comparison with Popular CNN architectures

This article covers the comparison of ShuffleNet with some famous architectures. It also covers how well the newer variants of ShuffleNet are as compared to their older counterparts.

Neeha Rathna Janjanam Neeha Rathna Janjanam
Machine Learning (ML)

BERT Large Model

BERT large model is a pretrained model on English language which uses a Masked Language Modeling (MLM for short). It has 24 encoder layers.

Akshay Atam
Algorithms

Implement K stacks in one array

In this article, we have present two approaches to design K stacks in one array. The challenge is to efficiently store the elements to use all available space in the array and maintain the time complexity of stack operations.

Vikram Shishupalsingh Bais Vikram Shishupalsingh Bais
Algorithms

Longest substring without repeating characters

In this article, we have explained three approaches to the problem of finding Longest substring without repeating characters. This involves the use of Hash Map with the clever use of start and end index.

Akanksha Singh
Algorithms

Integer to Roman Numeral Conversion

In this article, we have presented the algorithm to Convert Integer to Roman Numerals along with C++ implementation and step by step implementation.

Katia Kaori Kaminishikwahara Katia Kaori Kaminishikwahara
Rust Programming

MPSC messages + Shared-State Concurrency in Rust

In this article, we have presented the idea of MPSC messages + Shared-State Concurrency in Rust along with Mutex. Pointer, Smart Pointer, Reference Counting and Atomic Reference Counting.

Gabriel Puiggros Gabriel Puiggros
Algorithms

Closest 3 Sum problem (Find all triplets close to the given sum)

In this article, we have explored an insightful approach/ algorithm to find the 3 elements in an array whose sum is equal to or close to the required answer. This is an extension of the 3 Sum problem where the resulting sum needed not be exact.

Rohan Chandrashekar Rohan Chandrashekar
JavaScript

Build a Web Server in ExpressJS

We have explained how you can build a Web Server in ExpressJS, a Node.js framework along with the basics of web server.

Fahd Agodzo Mohammed Fahd Agodzo Mohammed
Software Engineering

Get CO2 emission data using Carbon Intensity API

In this article, we have explored how to get CO2 emission data for a specified time period and for specific location. For this, we have used Carbon Intensity API and have implemented the code in Python.

Katia Kaori Kaminishikwahara Katia Kaori Kaminishikwahara
Java

Interview Questions in Java (MCQ)

In this article, we have presented several Interview Questions in Java (MCQ) covering all important topics in Java. These questions are frequently asked in Coding Interviews and you must attempt these questions.

OpenGenus Tech Review Team OpenGenus Tech Review Team
Rust Programming

Message-Sending Concurrency in Rust

In this article, we have covered the idea of Closures and Communication using Multiple Producer Single Consumer (MPSC) in Rust.

Gabriel Puiggros Gabriel Puiggros
Cloud Computing

Containerization

In this article, we will learn about containerization, how it differs from virtual machines (system virtualization) and its benefits. Containerization and virtual machines often come up in the same breadth.

Thompson Mina
Algorithms

Number of Ordered Solution Pairs (X, Y) satisfying 1/X + 1/Y = 1/N

We have explored two insightful approaches/ algorithms to find the Number of Ordered Solution Pairs (X, Y) satisfying 1/X + 1/Y = 1/N. This problem is used extensively in Astrophysics.

Rohan Chandrashekar Rohan Chandrashekar
Rust Programming

Intro to Concurrency in Rust

So far, all of our code, all the examples and all the theories we've seen, have been ignoring one of the key features Rust aims to improve in programming. And that is of course, concurrency and parallelism. Today we're going to begin exploring these topics.

Gabriel Puiggros Gabriel Puiggros
Algorithms

Different ways to calculate Pi (3.14159...)

We have covered different algorithms and approaches to calculate the mathematical constant pi (3.14159...). These include Nilakantha Series, Leibniz’s Formula, Ramanujan's Pi Formula and other Programming Language specific techniques.

Kartik Keyan Kant Kartik Keyan Kant
Software Engineering

Mutable and Immutable in Python

In this article, we have explained the concept of Mutable and Immutable in Python and how objects are impacted with this. We have presented code examples to give an idea how it is used.

Raghu Ramjee Raghu Ramjee
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