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Count of binary strings of given length consisting of at least one 1

Given an integer N, the task is to print the number of binary strings of length N which at least one ‘1’. Examples: Input: 2 Output:… Read More

binary-string

Algorithms

Bit Magic

Combinatorial

DSA

Dynamic Programming

Strings

Count all prime numbers in a given range whose sum of digits is also prime

Given two integers L and R, the task is to find the count of total numbers of prime numbers in the range [L, R] whose… Read More

number-digits

number-theory

Prime Number

sieve

C++ Programs

Competitive Programming

DSA

Mathematical

Find two numbers with sum N such that neither of them contains digit K

Given a number N and a digit K (1 < K <= 9), the task is to find two integers A and B such that… Read More

number-digits

DSA

Greedy

Mathematical

Draw Rainbow using Turtle Graphics in Python

Turtle is an inbuilt module in Python. It provides: Drawing using a screen (cardboard). Turtle (pen). To draw something on the screen, we need to… Read More

Python-turtle

Python

Draw Heart Using Turtle Graphics in Python

Turtle is an inbuilt module in Python. It provides: Drawing using a screen (cardboard). Turtle (pen). To draw something on the screen, we need to… Read More

Python-turtle

Python

Draw Panda Using Turtle Graphics in Python

Turtle is an inbuilt module in Python. It provides: Drawing using a screen (cardboard). Turtle (pen). To draw something on the screen, we need to… Read More

Python-turtle

Python

Program for Conway’s Game Of Life | Set 2

Given a binary grid[ ][ ] of size N*M, with each cell containing either 0 or 1, where 1 represents an alive cell and the… Read More

Data Structures

DSA

Matrix

Count of ways to distribute N items among 3 people with one person receiving maximum

Given an integer N, the task is to find the total number of ways to distribute N among 3 people such that: Exactly one person… Read More

Permutation and Combination

Algorithms

Combinatorial

Competitive Programming

DSA

Mathematical

What is the use of number after “break” or “continue” statements in PHP ?

Break and continue are two keywords used to control the iterations in a loop. The major difference between the two keywords is that “break” is… Read More

PHP-Misc

Picked

PHP

PHP Programs

Web Technologies

How to use Selenium Web Driver and JavaScript to Login any website ?

This article shows the method to sign in on any website using automation with the help of Selenium Web Driver and JavaScript. The concept of… Read More

JavaScript-Misc

JavaScript

Web Technologies

Puzzle | The Circle of Lights

There is a circle of N > 2 lights with a switch next to each of them. Each switch can be flipped between two positions,… Read More

Logical Puzzles

Placements

Puzzles

COVID-19 Peak Prediction using Logistic Function

Making fast and accurate decisions are vital these days and especially now when the world is facing such a phenomenon as COVID-19, therefore, counting on… Read More

ML-Regression

Regression

Machine Learning

Python

Write From Home

Python – Successive Characters Frequency

Sometimes, while working with Python strings, we can have a problem in which we need to find the frequency of next character of a particular… Read More

Python string-programs

Python

Python Programs

GeeksforGeeks Complete Interview Preparation Course – Get a Job in your Dream Company!

Indeed, the first step to land up a job in your dream company is the right interview preparation from the beginning. And when thousands of… Read More

GFG-Course

GFG-Update

GBlog

Convert CSV to JSON using Python

CSV (or Comma Separated Value) files represent data in a tabular format, with several rows and columns. An example of a CSV file can be… Read More

Python json-programs

python-csv

Python-json

How To

Python

Python Programs

Technical Scripter

PostgreSQL – Change Column Type

In this article, we will discuss the step by step process of changing the data type of a column using the ALTER TABLE statement in… Read More

postgreSQL-dataTypes

postgreSQL-managing-table

PostgreSQL

Difference between Google Hangouts and Google Duo

1. Google Hangouts : Google Hangouts is a communication application which is provided by Google. It allows users to send and receive messages, photos etc.… Read More

Computer Networks

Difference Between

Amazon Interview Experience | SDET (Off-Campus 2020)

I got to know about the open role through my college placement team. I later contacted the Amazon APAC recruiter on LinkedIn and forwarded my… Read More

Amazon

Marketing

Experiences

Interview Experiences

Change in Median of given array after deleting given elements

Given two arrays arr1[] and arr2[]. The array arr1[] is sorted. The task is to print the change in the median after removing each element… Read More

median-finding

Algorithms

Arrays

Competitive Programming

Data Structures

Divide and Conquer

DSA

Mathematical

Searching

Count of triplets in an Array (i, j, k) such that i < j < k and a[k] < a[i] < a[j]

Given an array arr[] of N integers, the task is to count number of triplets (i, j, k) in the array such that a[k] <… Read More

Algorithms

Arrays

C++ Programs

Competitive Programming

Data Structures

DSA

Python

Python Programs

Technical Scripter