All Basic Articles

Longest subarray in which all elements are greater than K

Given an array of N integers and a number K, the task is to find the length of the longest subarray in which all the… Read More

Arrays

Competitive Programming

DSA

XOR of all Prime numbers in an Array

Given an array of integers arr[]. The task is to find the bitwise XOR of all the prime numbers present in the array. Examples: Input:… Read More

Bitwise-XOR

Prime Number

sieve

Arrays

DSA

Is there any equivalent to typedef of C/C++ in Java ?

In one line, There is nothing in Java which is equivalent to typedef of C++. In Java, class is used to name and construct types… Read More

C-Data Types

cpp-data-types

Picked

Technical Scripter 2018

C Language

C++

Java

How To Find the Length of a List in Python

List being an integral part of Python programming has to be learned by all Python users and having a knowledge of its utility and operations… Read More

python

Python list-programs

python-list

Python

Find the second last node of a linked list in single traversal

Given a linked list. The task is to find the second last node of the linked list using a single traversal only. Examples: Input :… Read More

Order-Statistics

Technical Scripter 2018

DSA

Linked List

Technical Scripter

Replace consonants with next immediate consonants alphabetically in a String

Given a string which contains lowercase English alphabets. The task is to replace each consonant with the next immediate consonant that comes in English alphabets.Let’s… Read More

vowel-consonant

DSA

Strings

Longest subarray with elements divisible by k

Suppose you are given an array. You have to find the length of the longest subarray such that each and every element of it is… Read More

divisibility

subarray

DSA

Misc

Searching

Product of every K’th prime number in an array

Given an integer ‘k’ and an array of integers ‘arr’ (less than 10^6), the task is to find the product of every K’th prime number… Read More

Prime Number

sieve

Technical Scripter 2018

Arrays

DSA

Mathematical

Array elements with prime frequencies

Given a string. The task is to find the count of characters whose number of occurrences is prime. Examples: Input : str = "geeksforgeeks" Output… Read More

cpp-unordered_map

frequency-counting

Prime Number

Arrays

DSA

Python bit functions on int (bit_length, to_bytes and from_bytes)

The int type implements the numbers.Integral abstract base class. 1. int.bit_length() Returns the number of bits required to represent an integer in binary, excluding the… Read More

Python-Built-in-functions

Python

PHP | Imagick modulateImage() Function

The Imagick::modulateImage() function is an inbuilt function in PHP which is used to control the brightness, saturation, and hue of an image. Syntax: bool Imagick::modulateImage(… Read More

Image-Processing

PHP-function

PHP-Imagick

PHP

Web Technologies

PHP | ImagickDraw setStrokeWidth() Function

The ImagickDraw::setStrokeWidth() function is an inbuilt function in PHP which is used to set the width of the stroke used to draw object outlines. Syntax:… Read More

Image-Processing

PHP-function

PHP-Imagick

PHP

Web Technologies

PHP | ImagickDraw setStrokeOpacity() Function

The ImagickDraw::setStrokeOpacity() function is an inbuilt function in PHP which is used to specify the opacity of stroked object outlines. The value of opacity lies… Read More

Image-Processing

PHP-function

PHP-Imagick

PHP

Web Technologies

PHP | ImagickDraw translate() Function

The ImagickDraw::translate() function is an inbuilt function in PHP which is used to apply a translation to the current coordinate system. It applies a translation… Read More

Image-Processing

PHP-function

PHP

Web Technologies

HTML onpaste Event Attribute

The onpaste attribute works when some content is pasted in an element. This event attribute is supported by all HTML elements. It is mostly used… Read More

HTML-Attributes

HTML

Web Technologies

PHP | ImagickDraw skewX() Function

The ImagickDraw::skewX() function is an inbuilt function in PHP which is used to skews the current coordinate system in the horizontal direction. Syntax: bool ImagickDraw::skewX(… Read More

Image-Processing

PHP-function

PHP-Imagick

PHP

Web Technologies

Second Smallest Element in a Linked List

Given a Linked list of integer data. The task is to write a program that efficiently finds the second smallest element present in the Linked… Read More

Technical Scripter 2018

DSA

Linked List

Technical Scripter

Replace every array element by sum of previous and next

Given an array of integers, update every element with sum of previous and next elements with following exceptions. First element is replaced by sum of… Read More

Technical Scripter 2018

Arrays

DSA

School Programming

Technical Scripter

Check if element exists in list in Python

The list is an important container in Python as it stores elements of all the data types as a collection. Knowledge of certain list operations… Read More

Python list-programs

python-list

Python

Python Program to Print Numbers in an Interval

Given a range of numbers, find all the numbers between them. Example: Input : l = 2, u = 5Output : 2 3 4 5… Read More

DSA

Python

School Programming