All Medium Articles

Minimize Cost to sort a String in Increasing Order of Frequencies of Characters

Given a string S, the task is to calculate the minimum cost to sort the string in increasing order of their frequencies by swapping a… Read More

frequency-counting

DSA

Greedy

Mathematical

Sorting

Strings

Complement Naive Bayes (CNB) Algorithm

Naive Bayes algorithms are a group of very popular and commonly used Machine Learning algorithms used for classification. There are many different ways the Naive… Read More

Machine Learning

Python

Print all possible ways to write N as sum of two or more positive integers

Given an integer N, the task is to print all the possible ways in which N can be written as the sum of two or… Read More

Algorithms-Backtracking

Algorithms-Recursion

Arrays

Backtracking

DSA

Greedy

Mathematical

Recursion

Minimum number of distinct elements after removing M items | Set 2

Given an array of items, an ith index element denotes the item id’s, and given a number m, the task is to remove m elements… Read More

frequency-counting

Hash

Arrays

DSA

Greedy

Hash

Interesting Facts about Computer Viruses

A Computer Virus is malicious software or Malware which has capacity to affect computer data, by corrupting or destroying it. When computer virus is executed… Read More

Cyber-security

Information-Security

Network-security

Computer Networks

Program to print the pattern 1020304017018019020 **50607014015016 ****809012013 ******10011…

Given an integer N, the task is to print the pattern below for the given value of N. For N = 5, below is the… Read More

interview-preparation

Juspay

pattern-printing

C++

C++ Programs

C/C++ Puzzles

DSA

Pattern Searching

Puzzles

School Programming

Advantages and Disadvantages of ARM processor

Advanced RISC Machine (ARM) Processor is defined as family of CPUs that have wide usage in electronic devices such as smartphones, wearable, tablets and multimedia… Read More

microprocessor

Computer Organization & Architecture

Difference between Microservice and API

1. Microservices : Microservices Architecture is an architectural style that structures an application as a collection of small autonomous services modeled around a business domain. In… Read More

Difference Between

Minimum number of squares whose sum equals to a given number N | Set-3

A number can always be represented as a sum of squares of other numbers. Note that 1 is a square, and we can always break… Read More

Maths

maths-perfect-square

Algorithms

Competitive Programming

DSA

Mathematical

Check if any King is unsafe on the Chessboard or not

Given a matrix board[][] consisting of the characters K or k, Q or q, B or b, N or n, R or r, and P… Read More

BFS

chessboard-problems

Backtracking

DSA

Graph

Matrix

Recursion

Difference between Microsoft Teams and Skype

1. Skype : Skype is a telecommunication application that provides video calls and voice calls between mobile phones. computers and other devices. It requires internet… Read More

Computer Networks

Difference Between

Kth Smallest Element of a Matrix of given dimensions filled with product of indices

Given an integer K and a matrix of size N x M, where each matrix element is equal to the product of its indices(i *… Read More

Binary Search

DSA

Mathematical

Matrix

Searching

Sorting

HTML Entity Parser

Given a string str which has various HTML Entities in it, the task is to replace these entities with their corresponding special character. HTML entity… Read More

cpp-map

cpp-unordered_map

HTML-Tags

regular-expression

DSA

HTML

Pattern Searching

Searching

Strings

Web Technologies

Check if given string is a substring of string formed by repeated concatenation of z to a

Given a string str, the task is to check if string str is a substring of an infinite length string S in which lowercase alphabets… Read More

cpp-string

school-programming

substring

DSA

Greedy

Strings

Building and visualizing Sudoku Game Using Pygame

Sudoku is a logic-based, combinatorial number-placement puzzle. The objective is to fill a 9×9 grid with digits so that each column, each row, and each… Read More

Python-PyGame

Project

Python

Python Programs

Draw smiling face emoji using Turtle in Python

Prerequisite: Python Turtle Basics Turtle is an inbuilt module in Python. It provides drawing using a screen (cardboard) and turtle (pen). To draw something on… Read More

Python-projects

Python-turtle

Python

Maximize count of Decreasing Subsequences from the given Array

Given an array arr[], the task is to rearrange the array to generate maximum decreasing subsequences and print the count of the maximum number of… Read More

array-rearrange

cpp-unordered_map

frequency-counting

Java-HashMap

subsequence

DSA

Greedy

Hash

Number of ways to sum up a total of N from limited denominations

Given a number N and two arrays arr1[] and arr2[] of length 4. The array arr1[] denotes the denomination of 1, 5, 10, and 20… Read More

Maths

school-programming

Algorithms

Combinatorial

DSA

Greedy

Mathematical

Pattern Searching

Advanced RISC Machine (ARM) Processor

ARM stands for Advanced RISC Machine. It is one of the most licensed and extensive processor cores in the world. In the year of 1978,… Read More

Computer Organization and Architecture

Computer Subject

How to convert given number to a character array

Given an integer number N, the task is to convert it into a character array. Example: Input: N = 2020 Output: {2, 0, 2, 0} Explanation:… Read More

number-digits

Arrays

C Programs

C/C++ Puzzles

DSA

Mathematical

Strings