All Medium Articles

Create a GUI to convert CSV file into excel file using Python

Prerequisites: Python GUI – tkinter, Read csv using pandas CSV file is a Comma Separated Value file that uses a comma to separate values. It… Read More

Python Tkinter-exercises

python-csv

Python-tkinter

Project

Python

Python Programs

Write From Home

Taylor Series

Taylor Series is the series which is used to find the value of a function. It is the series of polynomials or any function and… Read More

Math-Concepts

Engineering Mathematics

Unique element in an array where all elements occur K times except one | Set 2

Given an array arr[] where every element occurs K times except one element which occurs only once, the task is to find that unique element.Examples: … Read More

Arrays

DSA

Mathematical

Minimum number of Water to Land conversion to make two islands connected in a Grid

Given a 2D grid arr[][] of ‘W’ and ‘L’ where ‘W’ denotes water and ‘L’ denotes land, the task is to find the minimum number… Read More

Algorithms

DSA

Graph

Hash

Matrix

Number of ways to color N-K blocks using given operation

Given N blocks, out of which K is colored. These K-colored blocks are denoted by an array arr[]. The task is to count the number… Read More

Algorithms-Recursion

binomial coefficient

Permutation and Combination

Algorithms

Analysis of Algorithms

Arrays

Combinatorial

Competitive Programming

DSA

Dynamic Programming

Mathematical

Recursion

Lowest Common Ancestor for a Set of Nodes in a Rooted Tree

Given a rooted tree with N nodes, the task is to find the Lowest Common Ancestor for a given set of nodes V of that… Read More

DFS

LCA

Tree Traversals

C++

Competitive Programming

DSA

Graph

Tree

Write From Home

Automating the Machine Learning Pipeline for Credit card fraud detection

Before going to the code it is requested to work on a Jupyter notebook or ipython notebook. If not installed on your machine you can… Read More

Machine Learning

Python

Minimize the maximum absolute difference of adjacent elements in a circular array

Given a circular array arr of N integers, the task is to minimize the maximum absolute difference of adjacent elements of the array without any… Read More

circular-array

Algorithms

Arrays

Competitive Programming

DSA

Write From Home

How to pre populate database in Android using SQLite Database

Introduction : Often, there is a need to initiate an Android app with an already existing database. This is called prepopulating a database. In this… Read More

android

DBMS

Java

Minimum characters to be replaced to make frequency of all characters same

Given a string S consisting of alphabets [‘A’ – ‘Z’], the task is to find the minimum number of operations required to make frequency of… Read More

frequency-counting

DSA

Greedy

Sorting

Strings

Minimum time required to fill the entire matrix with 1’s

Given a matrix of size N consisting of 0‘s and 1‘s, the task is to find the minimum time required to fill the entire matrix… Read More

BFS

Algorithms

Competitive Programming

DSA

Graph

Design a mealy machine for 2’s complement

Mealy machine is a finite-state machine, its current state and the current inputs determines the output of this machine. There is no final state in… Read More

Theory of Computation

Longest substring with atmost K characters from the given set of characters

Given a string S, an integer K and set of characters Q[], the task is to find the longest substring in string S which contains… Read More

substring

DSA

Greedy

Pattern Searching

Strings

Difference between Socket and Port?

Both Socket and Port are the terms used in Transport Layer. A port is a logical construct assigned to network processes so that they can… Read More

Transport Layer

Computer Networks Quiz

Computer Subject

Difference Between

R – Matrices

R-matrix is a two-dimensional arrangement of data in rows and columns. In a matrix, rows are the ones that run horizontally and columns are the… Read More

R-Matrix

Programming Language

R Language

Write From Home

Count minimum swap to make string palindrome

Given a string S, the task is to find out the minimum no of adjacent swaps required to make string s palindrome. If it is… Read More

palindrome

DSA

Strings

Count ways to place Knights moving in L shape in chessboard

Given two integers, N and M, denoting dimensions of a chessboard. The task is to count ways to place a black and a white knight… Read More

Arrays

DSA

Misc

How to become a 4 star coder on codechef in only 3 contests ?

Many people messaged me how you achieved 4 stars in only 3 contests in a month interval.That sounds amazing! But the reality is I am… Read More

Career-Advices

Competitive Programming

DSA

Experiences

Interview Experiences

Count the Arithmetic sequences in the Array of size at least 3

Given an array arr[] of size N, the task is to find the count of all arithmetic sequences in the array. Examples: Input: arr =… Read More

arithmetic progression

series

Arrays

DSA

Dynamic Programming

Mathematical

Pattern Searching

Skewness and Kurtosis in R Programming

In statistics, skewness and kurtosis are the measures that tell about the shape of the data distribution, or simply, both are numerical methods to analyze… Read More

R-Statistics

R Language