Efficiently Find Prime Numbers Till N: Basic vs. Sieve of Eratosthenes

Efficiently Find Prime Numbers Till N: Basic vs. Sieve of Eratosthenes

Finding all prime numbers till N is a common problem in computer science and mathematics. There are various ways to solve this problem, but we will be discussing an optimized...


02 Mar 2023
Optimized Algorithm for Checking Prime Numbers: A Comprehensive Guide

Optimized Algorithm for Checking Prime Numbers: A Comprehensive Guide

In this blog, we will discuss different methods to check if a number is a prime number or not, and analyze their time complexity. We will start with a basic...


28 Feb 2023
Creating triggers in PostgreSQL to monitor changes in tables

Creating triggers in PostgreSQL to monitor changes in tables

In a database management system, triggers are special types of stored procedures that are automatically executed in response to specific database events, such as insert, update, or delete operations on...


27 Feb 2023
How to Resize Partitions in Arch Linux

How to Resize Partitions in Arch Linux

Running out of space on your root partition can be a frustrating experience when using Arch Linux. Fortunately, resizing your partitions can be done easily with the help of a...


26 Feb 2023
Complete Guide: Installing, Setting Up, and Removing PostgreSQL in Linux

Complete Guide: Installing, Setting Up, and Removing PostgreSQL in Linux

PostgreSQL is an open-source relational database management system. It is known for its reliability, scalability, and extensibility, making it a popular choice for enterprise-level applications. In this tutorial, we will...


23 Feb 2023
How to Enable Natural Scrolling for Touchpad on OpenSuse Tumbleweed

How to Enable Natural Scrolling for Touchpad on OpenSuse Tumbleweed

Are you having trouble getting natural scrolling to work on your touchpad after updating OpenSuse Tumbleweed? Don't worry, we've got you covered. We've gone through the process of searching various...


27 Sep 2022
Kefa and First Steps - CodeForces | C++ Implementation

Kefa and First Steps - CodeForces | C++ Implementation

Kefa decided to make some money doing business on the Internet for exactly *n* days. He knows that on the *i*-th day (1≤*i*≤n) he makes *ai* money. Kefa loves progress,...


28 Jun 2021
orDer oF succeSsion - CodinGame | C++ Implementation

orDer oF succeSsion - CodinGame | C++ Implementation

You have to output the order of succession to the British throne of a list of given people. The order is simple: From a descendant A, the next in the...


11 Apr 2021
Stock Exchange Losses - CodinGame | C++ Implementation

Stock Exchange Losses - CodinGame | C++ Implementation

A finance company is carrying out a study on the worst stock investments and would like to acquire a program to do so. The program must be able to analyze...


17 Mar 2021
Dungeons and Maps - CodinGame | C++ Implementation

Dungeons and Maps - CodinGame | C++ Implementation

You are given N maps for a dungeon. Each map may contain a path to a treasure T, from starting position [ startRow; startCol ]. Determine the index of the...


01 Mar 2021
Sudoku Validator - CodinGame | C++ Implementation

Sudoku Validator - CodinGame | C++ Implementation

A sudoku grid consists of 9*9 = 81 cells split in 9 sub-grids of 3*3 = 9 cells. For the grid to be correct, each row must contain one occurrence...


13 Jul 2020
Bank Robbers - CodinGame | C++ Implementation

Bank Robbers - CodinGame | C++ Implementation

A gang of R foolish robbers decides to heist a bank. In the bank there are V vaults (indexed from 0 to V-1). The robbers have managed to extract some...


26 Apr 2020