All Expert Articles

Python | Extract odd length words in String

Sometimes, while working with Python, we can have a problem in which we need to extract certain length words from a string. This can be… Read More

Python string-programs

Python

Python Programs

Count of even and odd set bit with array element after XOR with K

Given an array arr[] and a number K. The task is to find the count of the element having odd and even number of the… Read More

Algorithms

Analysis of Algorithms

Bit Magic

DSA

Greedy

Mathematical

Technical Scripter

Count numbers whose maximum sum of distinct digit-sum is less than or equals M

Given an array of integers arr[] and a number M, the task is to find the maximum count of the numbers whose sum of distinct… Read More

Algorithms

Arrays

C++ Programs

DSA

Mathematical

Sorting

Make all array elements divisible by a number K

Given an array arr[] and a number K, the task is to make all elements of array divisible by K. To make elements divisible by… Read More

Arrays

Data Structures

DSA

Dynamic Programming

Count ways to change direction of edges such that graph becomes acyclic

Given a directed and unweighted graph consisting of N vertices and an array arr[] where ith vertex has a directed edge to arr[i]. The task… Read More

DFS

Algorithms

Combinatorial

DSA

Graph

Recursion

Top 10 Reasons to Learn AWS – Services And Benefits

Cloud computing is the latest buzzword in the IT sector. Today it has become a critical element in the business and it has changed the… Read More

Cloud-Computing

GBlog

How to Think Like a Programmer?

Programming….is it really hard? is it really scary? is it really not everyone’s cup of tea? You might be asking several questions to yourself before… Read More

GBlog

Longest sub-array of Prime Numbers using Segmented Sieve

Given an array arr[] of N integers, the task is to find the longest subarray where all numbers in that subarray are prime. Examples: Input:… Read More

Arrays

Prime Number

sieve

Algorithms

Arrays

Data Structures

DSA

Hash

Mathematical

Sum of product of proper divisors of all Numbers lying in range [L, R]

Given an array arr[][] consisting of Q queries where every row consists of two numbers L and R which denotes the range [L, R] ;… Read More

array-range-queries

divisors

prefix-sum

sieve

Arrays

DSA

Mathematical

Writing data from a Python List to CSV row-wise

Comma Separated Values (CSV) files a type of a plain text document in which tabular information is structured using a particular format. A CSV file is… Read More

python-csv

Python

Google-Bangalore Interview Experience

Disclaimer: I could not mention the exact questions asked to me due to an agreement, however I tried to describe the topics as best as I… Read More

Google

Marketing

Experiences

Interview Experiences

Informatica Interview Experience (On-campus)

Round 1: (ONLINE MCQ – 30 QUESTIONS) In the 1st round, there were a total of 30 questions were asked from OS, DBMS and Algorithms/DAA… Read More

Informatica

Marketing

On-Campus

Experiences

Interview Experiences

Top 7 PSUs for Computer Science Engineers in India

Every year, the Public Sector Undertakings(PSUs) of India offer an ample amount of employment opportunities (especially for Engineering Graduates!). And who wouldn’t want to work… Read More

Career-Advices

GATE CS

GBlog

Check whether the cost of going from any node to any other node via all possible paths is same

Given adjacency list representation of a directed graph, the task is to check whether the cost of going from any vertex to any other vertex… Read More

DFS

DSA

Graph

Optimizing state table of a completely specified machine

Optimize state table form a given state table of a completely specified machine using partition based algorithm. Examples: Input : 6 E 0 D 1… Read More

Theory of Computation

Difference between bootstrap.css and bootstrap-theme.css

Bootstrap is an HTML, CSS and JS front-end-framework used for developing responsive and mobile-first projects on the web. It is the framework that comes up… Read More

Bootstrap-Misc

Picked

Bootstrap

Web Technologies

What Are DeepFakes And How Dangerous Are They?

Did you hate the last season of Game of Thrones? Most probably! Did you also watch the online video of Jon Snow saying sorry for… Read More

Artificial Intelligence

GBlog

Machine Learning

PyQt Hello World

There are so many options provided by Python to develop GUI application and PyQt5 is one of them. PyQt5 is cross-platform GUI toolkit, a set… Read More

Python-gui

Python-PyQt

Python

Node.js Stream transform.destroy() Method

The transform.destroy() method in a Readable Stream is used to destroy the transform stream and also emits an ‘error’ event optionally. Moreover, the transform stream… Read More

Node.js-Stream-module

Node.js

Web Technologies

Sum of M maximum distinct digit sum from 1 to N that are factors of K

Given an array of natural numbers upto N and two numbers M and K, the task is to find the sum of M maximum distinct… Read More

factor

number-digits

Algorithms

Arrays

C++ Programs

Competitive Programming

DSA

Mathematical

Sorting