Courses
Tutorials
Jobs
Practice
Contests
Data Structure
Java
Python
HTML
Interview Preparation
Trending Now
DSA
Web Tech
Foundational Courses
Data Science
Practice Problem
Python
Machine Learning
JavaScript
System Design
Django
DevOps Tutorial
Java
C
C++
ReactJS
NodeJS
CP Live
Aptitude
Puzzles
Projects
GBlog
Three 90 Challenge: Bigger and Better
As we transit into the new phase, it's essential to fuel our inner drive for success. On popular demand, GeeksforGeeks is happy to announce that we are back with the Thre...
Read More
Find Array formed by adding each element of given array with largest element in new array to its left
Given an array A of size N, the task is to find the resultant array formed by adding each element of the given array with the largest element in the new array to its left....
Read More
Arrays
DSA
Handle mouse events in Python - OpenCV
OpenCV is one of the most popular computer vision libraries. If you want to start your journey in the field of computer vision, then a thorough understanding of the concep...
Read More
Python
OpenCV
Python-OpenCV
Display date and time in videos using OpenCV - Python
OpenCV-Python is a library of Python bindings designed to solve computer vision problems. It can process images and videos to identify objects, faces, or even the handwrit...
Read More
Python
OpenCV
Python-OpenCV
Find the maximum possible value of last element of the Array
Given a non-negative array arr of size N and an integer M representing the number of moves such that in one move, the value of any one element in the array decreases by on...
Read More
Arrays
Greedy
DSA
Count of substrings whose Decimal equivalent is greater than or equal to K
Given an integer K and a binary string S of length N, the task is to find out the number of substrings whose decimal equivalent is greater than or equal to K.Examples:Inpu...
Read More
Arrays
Strings
two-pointer-algorithm
substring
DSA
How to generate and read QR code with Java using ZXing Library
QRCode is abbreviated as Quick Response Code, and we are quite familiar with QRCodes now a days. It is used for authenticated and quick online payments. A QR code uses fou...
Read More
Project
Image-Processing
Java Programs
Largest number possible by arranging node values at each level
Given a Binary Tree with positive values at each node, the task is to print the maximum number that can be formed by arranging nodes at each level.Examples:Input: ...
Read More
Tree
Binary Tree
tree-level-order
DSA
String Fields in Serializers - Django REST Framework
In Django REST Framework the very concept of Serializing is to convert DB data to a datatype that can be used by javascript. Every serializer comes with some fields (entri...
Read More
Python
Django-REST
rest-framework
Remove duplicate words from Sentence using Regular Expression
Given a string str which represents a sentence, the task is to remove the duplicate words from sentences using regular Expression in Programming Languages like C++, Java, ...
Read More
Java
Programming Language
python-regex
java-regular-expression
CPP-regex
3D Wireframe plotting in Python using Matplotlib
To create static, animated and interactive visualizations of data, we use the Matplotlib module in Python. The below programs will depict 3D wireframe. visualization of da...
Read More
Python
Python-matplotlib
Longest common subarray in the given two arrays
Given two arrays A[] and B[] of N and M integers respectively, the task is to find the maximum length of an equal subarray or the longest common subarray between the two g...
Read More
Arrays
Algorithms
Dynamic Programming
Backtracking
subarray
Recursion
DSA
Scaffold class in Flutter with Examples
Scaffold is a class in flutter which provides many widgets or we can say APIs like Drawer, Snack-Bar, Bottom-Navigation-Bar, Floating-Action-Button, App-Bar, etc. Scaffold...
Read More
Java
Algorithms
Technical Scripter
Flutter
Technical Scripter 2019
DSA
Stack of Pair in C++ STL with Examples
Stack in STL Stacks are a type of container adaptors with LIFO(Last In First Out) type of working, where a new element is added at one end and (top) an element is removed ...
Read More
Stack
STL
Data Structures
C++ Programs
cpp-pair
DSA
Find all Pairs possible from the given Array
Given an array arr[] of N integers, the task is to find all the pairs possible from the given array.Note:(arr[i], arr[i]) is also considered as a valid pair.(arr[i], arr[j...
Read More
Arrays
Mathematical
DSA
Atomic Variables in Java with Examples
In multithreading, the shared entity mostly leads to a problem when concurrency is incorporated. A shared entity such as, mutable object or variable, might be changed, whi...
Read More
Java
Java-Multithreading
DBMS
Java Programs
Java-util-concurrent-atomic package
1
...
8453
8454
8455
...
11204