All Easy Articles

Find ceil of a/b without using ceil() function

Given a and b, find the ceiling value of a/b without using ceiling function. Examples: Input: a = 5, b = 4 Output: 2 Explanation: a/b =… Read More

number-theory

DSA

Mathematical

UGC-NET | UGC NET CS 2015 Jun – II | Question 18

Drop Table cannot be used to drop a Table referenced by __________ constraint. (a)Primary key (b)Sub key (c)Super key (d)Foreign key (A) (a) (B) (a),… Read More

UGC-NET

Python | Play a video in reverse mode using OpenCV

OpenCV (Open Source Computer Vision) is a computer vision library that contains various functions to perform operations on Images or videos. OpenCV's application areas include… Read More

OpenCV

Python-OpenCV

Python

Unsupervised Learning

Unsupervised learning is a branch of machine learning that deals with unlabeled data. Unlike supervised learning, where the data is labeled with a specific category… Read More

AI-ML-DS

Machine Learning

8085 program to add 2-BCD numbers

Problem – Write a program to add 2-BCD numbers where starting address is 2000 and the numbers is stored at 2500 and 2501 memory addresses… Read More

microprocessor

system-programming

Computer Organization & Architecture

8085 program to find 2’s complement of the contents of Flag Register

Problem – Write an assembly language program in 8085 microprocessor to find 2’s complement of the contents of Flag Register. Example – Algorithm – Initialize… Read More

complement

microprocessor

system-programming

Computer Organization and Architecture

8085 program to convert gray to binary

Problem – Write an assembly language program in 8085 microprocessor to convert gray numbers to binary. Example – Algorithm – Load the data from address… Read More

microprocessor

system-programming

Computer Organization and Architecture

vector :: cbegin() and vector :: cend() in C++ STL

Vectors are known as dynamic arrays which can change its size automatically when an element is inserted or deleted. This storage is maintained by container.… Read More

cpp-vector

C++

Technical Scripter

Real, Effective and Saved UserID in Linux

Every user in Unix like operating system is identified by a different integer number, this unique number is called as UserID. There are three types… Read More

linux-command

Linux-Unix

Technical Scripter

Error Handling in Compiler Design

The tasks of the Error Handling process are to detect each error, report it to the user, and then make some recovery strategy and implement… Read More

Compiler Design

Codenation Interview Experience | Set 3 (SDE)

There was 1 coding round (Codagon hosted on Hackerrank) and 4 interview rounds. At first, you have to appear in coding contest Codagon. After that,… Read More

Experiences

Interview Experiences

Count divisible pairs in an array

Given an array, count pairs in the array such that one element of the pair divides the other. Examples: Input : arr[] = {1, 2,… Read More

DSA

Dynamic Programming

Check if a string is substring of another

Given two strings S1 and S2, The task is to find if S1 is a substring of S2. If yes, return the index of the first… Read More

DSA

Strings

PHP Vs Node.js

PHP and Node.js are both used for server side development and thus have become a competitor for each other. Below are some differences based on… Read More

JavaScript

Node.js

PHP

Technical Scripter

Web Technologies

N-bonacci Numbers

You are given two integers N and M, and print all the terms of the series up to M-terms of the N-bonacci Numbers. For example,… Read More

Fibonacci

series

sliding-window

DSA

Mathematical

Maximum steps to transform 0 to X with bitwise AND

For an integer N, there are elements ranging from 0 to N-1. Certain elements can be transformed into other elements. Each transformation requires a certain… Read More

Bitwise-AND

Bit Magic

DSA

Minimum product subset of an array

INTRODUCTION: The minimum product subset of an array refers to a subset of elements from the array such that the product of the elements in… Read More

Arrays

DSA

Greedy

Sorting

Technical Scripter

Find the other end point of a line with given one end and mid

Given a midpoint of line(m1, m2) and one coordinate of a line (x1, y1), find the other end point(x2, y2) of a line. Examples: Input… Read More

Basic Coding Problems

DSA

Geometric

4 Dimensional Array in C/C++

Prerequisite :Array in C/C++, More on array A four-dimensional (4D) array is an array of array of arrays of arrays or in other words 4D… Read More

cpp-array

C Language

Lexicographically smallest string obtained after concatenating array

Given n strings, concatenate them in an order that produces the lexicographically smallest possible string. Examples: Input : a[] = ["c", "cb", "cba"] Output :… Read More

lexicographic-ordering

DSA

Sorting

Strings