All Medium Articles

Count of locations between X and Y having rainfall more than K cms for Q queries

Given an array arr[][] consisting of N triplets ( start, end, rainfall in cms), defining rain will fall from the start location to the end… Read More

Amazon

array-range-queries

Arrays

C++

C++ Programs

DSA

Experiences

Internship

Interview Experiences

Mathematical

Minimize swaps to rearrange Array such that remainder of any element and its index with 3 are same

Given an array arr[]. The task is to minimize the number of swaps required such that for each i in arr[], arr[i]%3 = i%3. If… Read More

array-rearrange

Codenation

Modular Arithmetic

Arrays

DSA

Mathematical

Amazon Interview Experience for SDE-1 Intern (On-Campus)

Round 1(Online Coding Round): Five components (2.5 hours): Coding: 2 LC Medium level story-based problems. One on Binomial Coefficients (use DP to avoid TLE) and… Read More

Amazon

Marketing

On-Campus

Experiences

Interview Experiences

Paint App using ReactJS

In this article, we will be building a simple paint application that lets you draw just like in MS-Paint. Through this article, we will learn… Read More

ReactJS-Projects

Web Development Projects

Project

ReactJS

Web Technologies

How to Use HAVING With Aggregate Functions in SQL?

SQL provides many built-in functions to perform tasks. There are 4 types of functions Date functions, Char functions, Numeric functions, and Aggregate functions. Here we… Read More

Picked

SQL-Server

SQL

How to Select a Range of Letters in SQL?

In this article, we will see how to Select a Range of Letters in SQL using the LIKE clause. The LIKE clause is used for… Read More

Picked

SQL-Server

SQL

Android Sensors with Example

In our childhood, we all have played many android games like Moto Racing and Temple run in which by tilting the phone the position of… Read More

Picked

Android

Kotlin

Paytm Interview Experience for SDE | On-Campus 2021

Paytm came to our campus at the beginning of August (2021) virtually. There were total 4 Rounds, Coding Round followed by 2 Technical and 1… Read More

Marketing

On-Campus

Paytm

Experiences

Interview Experiences

What is Gold? – Definition, Properties, Uses and Applications

Gold is frequently found in its free elemental form, as nuggets or grains, in rocks, veins, and alluvial deposits. It can be found in a… Read More

Picked

Class 10

School Chemistry

School Learning

Minimum swaps required to get K cars reach the destination on time

Given N number of cars and an integer D i.e distance of the destination. All the cars start from the same starting point moving towards… Read More

DSA

Greedy

Mathematical

Find Kth number that can be written as sum of different powers of N

Given two positive integers N and K. The task is to find the Kth number that can be written as the sum of different non-negative… Read More

Maths

maths-power

number-theory

Algorithms

C++

C++ Programs

Data Structures

DSA

Greedy

Mathematical

Shift Operator in Java

Operators in Java are used to performing operations on variables and values. Examples of operators: +, -, *, /, >>, <<. Types of operators:… Read More

Java-Operators

Picked

Java

Find K such that repeated subtraction of K from Array elements make the Array equal

Given an array arr[] of size N, the task is to find the value of an integer K such that its repeated subtraction from array… Read More

Arrays

DSA

Hash

Mathematical

Check if a number can be represented as the sum of numbers with at least one digit equal to K

Given integers N and K, the task is to check if a number can be represented as the sum of numbers that have at least… Read More

DSA

Mathematical

Puzzles

Minimum operations for reducing Array to 0 by subtracting smaller element from a pair repeatedly

Given an array arr[] of size N, the task is to find the minimum number of operations required to make all array elements zero. In… Read More

Arrays

DSA

Heap

Queue

RFM Analysis Analysis Using Python

In this article, we are going to see Recency, Frequency, Monetary value analysis using Python. But first, let us understand the RFM analysis briefly. What… Read More

Python-pandas

Analysis of Algorithms

Data Science

DSA

Python

Download Instagram Reel using Python

In this article, we will discuss how to download Instagram reel using Python. Instagram is a social networking platform owned by Facebook. In Python, there… Read More

python-modules

python-utility

Python

Expedia Internship Interview Experience | On-Campus 2021

Education: Btech 3rd year ECE student of Tier-2 Online Test via Hackerrank: The online test was proctored and we were not allowed to switch between… Read More

Expedia

Marketing

On-Campus

Experiences

Internship

Interview Experiences

Minimum operations to reduce N to a prime number by subtracting with its highest divisor

Given a positive integer N. In one operation subtract N with its highest divisor other than N and 1. The task is to find minimum… Read More

divisors

Prime Number

DSA

Game Theory

Mathematical

Minimum deletions from front or back required to remove maximum and minimum from Array

Given an array arr[] consisting of integers. The task is to find minimum deletions required to remove the initial minimum and maximum element from arr[].NOTE:… Read More

Arrays

DSA

Greedy