All Medium Articles

Queries to find maximum product pair in range with updates

Given an array of N positive integers. The task is to perform the following operations according to the type of query given. 1. Print the maximum… Read More

array-range-queries

Greedy Algorithms

Segment-Tree

Advanced Data Structure

Competitive Programming

DSA

Find alphabetical order such that words can be considered sorted

Given an array of words, find any alphabetical order in the English alphabet such that the given words can be considered sorted (increasing), if there… Read More

DSA

Graph

Data encryption standard (DES) | Set 1

This article talks about the Data Encryption Standard (DES), a historic encryption algorithm known for its 56-bit key length. We explore its operation, key transformation,… Read More

Misc

CSS Combinators

CSS combinators are explaining the relationship between two selectors. CSS selectors are the patterns used to select the elements for style purposes. A CSS selector… Read More

Picked

CSS

Web Technologies

Longest substring with count of 1s more than 0s

Given a binary string find the longest substring which contains 1’s more than 0’s. Examples: Input : 1010 Output : 3 Substring 101 has 1… Read More

D-E-Shaw

prefix-sum

DSA

Hash

Strings

Factset Interview Experience (On-Campus Hire Drive)

Factset visited our college for hiring for Software Engineer position. The interview consisted of a pen and paper coding round, followed by interview rounds for… Read More

Misc

Interrupts in 8086 microprocessor

An interrupt is a condition that halts the microprocessor temporarily to work on a different task and then returns to its previous task. An interrupt… Read More

Computer Organization & Architecture

Construct Pushdown automata for L = {a(2*m)c(4*n)dnbm | m,n ≥ 0}

Prerequisite – Pushdown automata, Pushdown automata acceptance by final state PDA plays a very important role in task of compiler designing. That is why there… Read More

GATE CS

Theory of Computation

Number of subarrays having sum in a given range

Given an array arr[] of integers and a range (L, R). Find the number of subarrays having sum in the range L to R. Examples: … Read More

sliding-window

subarray

subarray-sum

Arrays

DSA

Accolite Interview Experience | Set 21

Accolite came to our campus to hire candidates for the role of a software engineer. Round 1 and Round 2: Round 1 was a pen… Read More

Misc

AppDynamics Interview Experience

Round 1 Online round consisted of 10 Technical MCQs of Medium Level and 3 coding questions. 1. https://www.geeksforgeeks.org/difference-array-range-update-query-o1/ 2. Number of Regions N Lines Divide… Read More

Experiences

Interview Experiences

KLA Tencor Interview Experience | Set 3

Round 1 Online test on HackerRank contains 2 Coding Questions 1. Given a image represented as 2d array of 0 and 1, find the size… Read More

Experienced

Experiences

Default arguments in Python

Python allows function arguments to have default values. If the function is called without the argument, the argument gets its default value. Default Arguments: Python… Read More

Python-Functions

Python

Python | Plotting charts in excel sheet using openpyxl module | Set – 2

Prerequisite: Python | Plotting charts in excel sheet using openpyxl module | Set – 1 Openpyxl is a Python library using which one can perform… Read More

python-modules

Python

Goldman Sachs On-Campus Internship Procedure

Online Test – Hackerrank 9 questions, 60 minutes Q1 (Coding) How many quadrilaterals are possible with the 4 coordinates given to you as a 2D… Read More

Experiences

Interview Experiences

Calculating n-th real root using binary search

Given two number x and n, find n-th root of x. Examples: Input : 5 2Output : 2.2360679768025875 Input : x = 5, n =… Read More

Binary Search

DSA

Searching

CGI Recruitment Process (On-Campus 2018)

About Company : CGI Group Inc. (Consultants to Government and Industries), more commonly known as CGI, is a Canadian global information technology (IT) consulting, systems… Read More

Misc

Visa Interview (On campus internship)

Round 1: Online Coding Round 90 min coding round, 4 questions (basic, easy, easy, medium). The test was conducted on hackerank and partial marking was… Read More

Experiences

Interview Experiences

Sum of all prime divisors of all the numbers in range L-R

Given two integers L and R. The task is to find the sum of all prime factors of every number in the range[L-R]. Examples: Input:… Read More

prefix-sum

Prime Number

prime-factor

sieve

Competitive Programming

DSA

How Does the Blockchain Work?

A blockchain is a distributed database that stores information electronically in a digital format and is shared among the nodes of a computer network. A… Read More

Computer Subject

Web Technologies