All Medium Articles

Length of the smallest substring which contains all vowels

Given string str consisting of only lowercase English alphabets, the task is to find the substring of the smallest length which contains all the vowels.… Read More

sliding-window

substring

two-pointer-algorithm

vowel-consonant

Competitive Programming

DSA

Hash

Strings

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Minimum number of swaps required to make the string K periodic

Given a string S of length N, and an array A, consisting of lowercase letters. Also given a positive integer K. the task is to… Read More

frequency-counting

Swap-Program

DSA

Greedy

Hash

Strings

Sentiment Detector GUI using Tkinter – Python

Prerequisites : Introduction to tkinter | Sentiment Analysis using Vader Python offers multiple options for developing a GUI (Graphical User Interface). Out of all the… Read More

Python Tkinter-exercises

Python-gui

Python-tkinter

Python

Count of ways to travel a cyclic path in N steps in a Triangular Pyramid

Given a triangular pyramid with its vertices marked as O, A, B and C and a number N, the task is to find the number… Read More

Arrays

Data Structures

DSA

Dynamic Programming

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Check whether given number N is a Moran Number or not

Given an integer N, check whether the given number is a Moran Number or not. Moran numbers are a subset of Harshad numbers. A number… Read More

number-digits

Prime Number

DSA

Mathematical

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Check if left and right shift of any string results into given string

Given a non-empty string S consisting of only lowercase English letters. The task is to find if there exists any string which has left shift… Read More

Bit Magic

Competitive Programming

DSA

Pattern Searching

Strings

Count of K length subsequence whose product is even

Given an array arr[] and an integer K, the task is to find number of non empty subsequence of length K from the given array… Read More

Permutation and Combination

subsequence

Arrays

Combinatorial

DSA

Mathematical

Count of pairs in an Array with same number of set bits

Given an array arr containing N integers, the task is to count the possible number of pairs of elements with the same number of set… Read More

setBitCount

Arrays

Bit Magic

DSA

Dynamic Programming

Difference between Java IO and Java NIO

Java IO(Input/Output) is used to perform read and write operations. The java.io package contains all the classes required for input and output operation. Whereas, Java… Read More

Input and Output

Java-IO package

Java-NIO package

Difference Between

Java

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Count of total Heads and Tails after N flips in a coin

Given character C and an integer N representing N number of coins in C position where C can be either head or tail. We can… Read More

DSA

Mathematical

Pattern Searching

What is export default in JavaScript ?

The export statement is used when creating JavaScript modules to export objects, functions, and variables from the module so they can be used by other… Read More

JavaScript-Misc

Picked

JavaScript

Web Technologies

Building Calculator using PyQt5 in Python

In this article we will see how we can create a calculator using PyQt5,A calculator is something used for making mathematical calculations, in particular a… Read More

Python-PyQt

Python

Basic Illumination Models

Illumination model, also known as Shading model or Lighting model, is used to calculate the intensity of light that is reflected at a given point… Read More

computer-graphics

Misc

Largest subarray sum of all connected components in undirected graph

Given an undirected graph with V vertices and E edges, the task is to find the maximum contiguous subarray sum among all the connected components… Read More

DFS

subarray

Algorithms

Competitive Programming

Data Structures

DSA

Dynamic Programming

Graph

Outline specific area on Google Map using GeoJson

Folium builds on the data wrangling strengths of the Python ecosystem and the mapping strengths of the leaflet.js library. Manipulate your data in Python, then… Read More

Python-projects

python-utility

Python Programs

Maximum sum subsequence with values differing by at least 2

Given a positive integer array arr[] of size N, the task is to find the maximum sum of a subsequence with the constraint that no… Read More

cpp-map

subsequence

Arrays

DSA

Dynamic Programming

Array value by repeatedly replacing max 2 elements with their absolute difference

Given an array arr size N, the task is to print the final array value remaining in the array when the maximum and second maximum… Read More

Data Structures-Heap

priority-queue

Arrays

DSA

Heap

Mathematical

Queue

C program to find square root of a given number

Given a number N, the task is to write a C program to find the square root of the given number N. Examples: Input: N… Read More

root

square-root-decomposition

C Language

C Programs

DSA

Mathematical

School Programming

C program to print odd line contents of a File followed by even line content

Pre-requisite: Basics of File Handling in C Given a text file in a directory, the task is to print all the odd line content of… Read More

C-File Handling

C Language

C Programs

Thread Scheduling

There is a component in Java that basically decides which thread should execute or get a resource in the operating system. Scheduling of threads involves… Read More

Computer Subject

Operating Systems

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