All Medium Articles

OpenCV Python Program to analyze an image using Histogram

In this article, image analysis using Matplotlib and OpenCV is discussed. Let’s first understand how to experiment image data with various styles and how to… Read More

OpenCV

Python-OpenCV

Project

Python

How ranking in Google Search Works !

You may first like to read: How Google Search Works! Let’s now have a look at some important terminology: Search Engine: A program that searches… Read More

Search Engine

SEO Blogs

GBlog

Search Engine Optimization (SEO)

Technical Scripter

Place k elements such that minimum distance is maximized

Given an array representing n positions along a straight line. Find k (where k <= n) elements from the array such that the minimum distance… Read More

Binary Search

Arrays

Divide and Conquer

DSA

Bloom Filters – Introduction and Implementation

Suppose you are creating an account on Geekbook, you want to enter a cool username, you entered it and got a message, “Username is already… Read More

Python

Technical Scripter

Tracking bird migration using Python-3

One fascinating area of research uses GPS to track the movements of animals. It is now possible to manufacture a small GPS device that is… Read More

Misc

Python

Technical Scripter

Largest sum Zigzag sequence in a matrix

Given a matrix of size n x n, find the sum of the Zigzag sequence with the largest sum. A zigzag sequence starts from the… Read More

Directi

DSA

Dynamic Programming

Matrix

Prufer Code to Tree Creation

What is Prufer Code? Given a tree (represented as graph, not as a rooted tree) with n labeled nodes with labels from 1 to n, a… Read More

DSA

Tree

Minimum block jumps to reach destination

Given N lines and one starting point and destination point in 2-dimensional space. These N lines divide the space into some blocks. We need to… Read More

DSA

Geometric

Amazon Interview Experience | Set 341 (Off-Campus for SDE-1)

I had applied to Amazon Hyderbad off campus for SDE-1 role. The first round a telephonic round. It was a technical round. The questions asked… Read More

Amazon

Experiences

Interview Experiences

Largest number smaller than or equal to n and digits in non-decreasing order

Given a number n, find the Largest number smaller than or equal to n and digits in non-decreasing order. Examples: Input : n = 200… Read More

Competitive Programming

DSA

Mathematical

Misc

Technical Scripter

3-way Merge Sort

Merge sort involves recursively splitting the array into 2 parts, sorting and finally merging them. A variant of merge sort is called 3-way merge sort… Read More

DSA

Sorting

Daily life Linux Commands

Clear the Terminal : In our daily life, we use to work on Terminal if we are using LINUX. Continuous working on terminal makes the terminal screen… Read More

linux-command

Linux-Unix

TechTips

Steps for how to solve a Dynamic Programming Problem

Steps to solve a Dynamic programming problem:Identify if it is a Dynamic programming problem.Decide a state expression with the Least parameters.Formulate state and transition relationship.Apply… Read More

DSA

Dynamic Programming

Find number of endless points

Given a binary N x N matrix, we need to find the total number of matrix positions from which there is an endless path. Any… Read More

DSA

Dynamic Programming

Matrix

Method Overloading with Autoboxing and Widening in Java

Let us go through the basic pre-requisites such as Method Overloading, Autoboxing, and Unboxing. So method overloading in java is based on the number and… Read More

Java

Java.util.PriorityQueue class in Java

It is a priority queue based on priority heap. Elements in this class are in natural order or depends on the Constructor we used at… Read More

Java - util package

Java-Collections

Java-Functions

java-priority-queue

priority-queue

Java

Automatic Resource Management in Java ( try with resource statements )

Java provides a feature to make the code more robust and to cut down the lines of code. This feature is known as Automatic Resource… Read More

Java

Technical Scripter

Change bits to make specific OR value

Given two positive integers A and B, we can change at most K bits in both the numbers to make OR of them equal to… Read More

Bit Magic

DSA

Executing main() in C/C++ – behind the scene

How to write a C program to print “Hello world” without main() function? At first, it seems impractical to execute a program without a main()… Read More

system-programming

C Language

C++

Count pairs with sum as a prime number and less than n

Given a positive integer n, count distinct number of pairs (x, y) that satisfy following conditions : (x + y) is a prime number.(x +… Read More

Prime Number

sieve

DSA

Mathematical