All Medium Articles

Minimize cost of painting N houses such that adjacent houses have different colors

Given an integer N and a 2D array cost[][3], where cost[i][0], cost[i][1], and cost[i][2] is the cost of painting ith house with colors red, blue,… Read More

Algorithms-Dynamic Programming

interview-preparation

Arrays

DSA

Dynamic Programming

Recursion

Nth natural number after removing all numbers consisting of the digit 9

Given a positive integer N, the task is to find the Nth natural number after removing all the natural numbers containing digit 9. Examples: Input:… Read More

base-conversion

Natural Numbers

Technical Scripter 2020

DSA

Mathematical

Technical Scripter

Understanding Windows 10 | Class 5

Windows 10 is the most recent version of the Microsoft Windows operating system. There have been many different versions of Windows over the years, including… Read More

School Learning

School Programming

How to style with SASS/SCSS in React ?

Styling in React is very important for creating better user interfaces. using SASS/SCSS in React, which offers many features over traditional CSS, you can write… Read More

Picked

React-Questions

Technical Scripter 2020

CSS

Technical Scripter

Web Technologies

How to check if a string is valid MongoDB ObjectId in Node.js ?

MongoDB ObjectId: MongoDB creates a unique 12 bytes ID for every object using the timestamp of respective Object creation.This ObjectId can be used to uniquely… Read More

MongoDB

NodeJS-Questions

Node.js

Web Technologies

Flutter – Dark Theme

Nowadays almost all the mobile application uses a dark theme, for example, Instagram, Whatsapp, Youtube, etc. It’s easy to implement in Flutter, Just a few… Read More

android

Flutter

Flutter UI-components

Dart

Flutter

Tailwind CSS Font Size

This class accepts lots of value in tailwind CSS in which all the properties are covered as in class form. It is the alternative to… Read More

Tailwind CSS

Tailwind-Typography

CSS

Web Technologies

Class 10 NCERT Solutions- Chapter 15 Probability – Exercise 15.1 | Set 2

Question 13. A die is thrown once. Find the probability of getting: (i) a prime number (ii) a number lying between 2 and 6 (iii)… Read More

NCERT Solutions Class-10

Class 10

Mathematics

NCERT

School Learning

Technical Scripter

Class 10 NCERT Solutions- Chapter 15 Probability – Exercise 15.1 | Set 1

Theorem 1: The theoretical probability (also called classical probability) of an event E, written as P(E), is defined as P(E) = Question 1. Complete the… Read More

NCERT Solutions Class-10

Picked

Technical Scripter 2020

Class 10

Mathematics

NCERT

School Learning

Technical Scripter

Rearrange a string S1 such that another given string S2 is not its subsequence

Given two strings S1 and S2 of size N and M respectively, the task is to rearrange characters in string S1 such that S2 is… Read More

frequency-counting

subsequence

Technical Scripter 2020

DSA

Hash

Strings

Technical Scripter

Minimize segments required to be removed such that at least one segment intersects with all remaining segments

Given an array arr[] consisting of N pairs [L, R], where L and R denotes the start and end indices of a segment, the task… Read More

Binary Search

Technical Scripter 2020

Algorithms

Arrays

Competitive Programming

DSA

Pattern Searching

Searching

Sorting

Technical Scripter

Maximize matrix sum by repeatedly multiplying pairs of adjacent elements with -1

Given a matrix A[][] of dimensions M × N, the task is to find the maximum sum possible from a matrix by repeatedly selecting two… Read More

array-rearrange

C++

DSA

Greedy

Mathematical

Matrix

Maximum and minimum sum of Bitwise XOR of pairs from an array

Given an array arr[] of size N, the task is to find the maximum and minimum sum of Bitwise XOR of all pairs from an… Read More

Bitwise-XOR

cpp-unordered_map

Arrays

Bit Magic

Combinatorial

Competitive Programming

Data Structures

DSA

Experienced

Experiences

Hash

Java

Linked List

Mathematical

Sorting

How to Add Fingerprint Authentication in Your Android App?

Now a day, we have seen that most of our Android phone contains fingerprint authentication. And we can implement that fingerprint authentication in our app… Read More

android

Picked

Technical Scripter 2020

Android

Java

Technical Scripter

Kotlin – Scope Function

There are several functions in the Kotlin standard library that help in the execution of a block of code within the context of an object.… Read More

Technical Scripter 2020

Kotlin

Technical Scripter

Lexicographically smallest permutation having maximum sum of differences between adjacent elements

Given an array arr[] of size N, the task is to find the lexicographically smallest permutation of the given array such that the sum of… Read More

array-rearrange

lexicographic-ordering

permutation

Arrays

DSA

Mathematical

Misc

Sorting

Qualcomm Interview Experience for Fresher | Off-Campus 2021

Qualcomm Hyderabad conducted online recruitment on Jan 2021 as an Off-Campus. Round 1(Online Test): Online test of 1.30 hr. Was conducted which consists of 3… Read More

Off-Campus

Qualcomm

Experiences

Interview Experiences

Count trailing zeroes present in binary representation of a given number using XOR

Given an integer N, the task is to find the number of trailing zeroes in the binary representation of the given number. Examples: Input: N… Read More

binary-representation

Bitwise-XOR

Bit Magic

DSA

Mathematical

Check if an array can be split into K consecutive non-overlapping subarrays of length M consisting of single distinct element

Given two integers M and K and an array arr[] consisting of N positive integers, the task is to check if the array can be… Read More

partition

subarray

Technical Scripter 2020

Algorithms

Arrays

DSA

Pattern Searching

Technical Scripter

Selection Sort Visualizer in JavaScript

Selection sort is the simplest sorting algorithm that works by repeatedly finding the minimum element (considering ascending order) from the unsorted part and putting it… Read More

Technical Scripter 2020

DSA

JavaScript

Sorting

Technical Scripter

Web Technologies