moyinolorunpreciousadegbie/Moyinolorun_Precious_Adegbie

GEOLOGY GRAD STUDENT JUST SHARING MY ALGORITHMS TO GET FEEDBACKS FROM SOFTWARE ENGINEERS AND COMPETITIVE PROGRAMMERS.👍👍👍

Language: Jupyter Notebook - Size: 24.3 MB - Last synced at: 1 day ago - Pushed at: 1 day ago - Stars: 4 - Forks: 0

HsHs-dev/Algorithms

This repo contians the Coursera course: Algorithms part I material

Language: Java - Size: 1.07 MB - Last synced at: 4 days ago - Pushed at: 4 days ago - Stars: 0 - Forks: 0

SuppieRK/union-find

Hash Set with Union Find capabilities

Language: Java - Size: 106 KB - Last synced at: about 17 hours ago - Pushed at: 5 days ago - Stars: 0 - Forks: 1

seung-lab/connected-components-3d

Connected components on discrete and continuous multilabel 3D & 2D images. Handles 26, 18, and 6 connected variants; periodic boundaries (4, 8, & 6)

Language: C++ - Size: 21 MB - Last synced at: 13 days ago - Pushed at: 13 days ago - Stars: 417 - Forks: 47

RikamPalkar/DSA-Simplified

Designed by Engineers for Engineers. This is your One stop shop for all DSA queries! Here you will find implementation of all sorts of data structures and algorithms.

Language: C# - Size: 424 KB - Last synced at: 15 days ago - Pushed at: 15 days ago - Stars: 56 - Forks: 11

rlishtaba/py-algorithms

Algorithms and Data Structures, solutions to common CS problems.

Language: Python - Size: 166 KB - Last synced at: 4 days ago - Pushed at: over 6 years ago - Stars: 37 - Forks: 13

williamfiset/DEPRECATED-data-structures

A collection of powerful data structures

Language: Java - Size: 172 MB - Last synced at: about 1 month ago - Pushed at: almost 3 years ago - Stars: 2,876 - Forks: 1,266

OrangeCatLoves/LeetCodeStuff

LeetCode Solutions for various problems

Language: Java - Size: 384 KB - Last synced at: about 1 month ago - Pushed at: about 1 month ago - Stars: 0 - Forks: 0

kwartile/connected-component

Map Reduce Implementation of Connected Component on Apache Spark

Language: Scala - Size: 26.4 KB - Last synced at: 14 days ago - Pushed at: almost 4 years ago - Stars: 85 - Forks: 18

hc-b666/percolation

Percolation problem solution

Language: Java - Size: 1.05 MB - Last synced at: about 2 months ago - Pushed at: 2 months ago - Stars: 1 - Forks: 0

pl3onasm/CLRS

Advanced algorithms and generic data structures in C

Language: C - Size: 10.4 MB - Last synced at: 3 months ago - Pushed at: 3 months ago - Stars: 6 - Forks: 1

ccozad/cozad-union-find

A Rust implementation of the union-find disjoint set graph algorithm

Language: Rust - Size: 48.8 KB - Last synced at: 15 days ago - Pushed at: about 2 years ago - Stars: 3 - Forks: 0

hongbo-miao/leetcode

LeetCode solutions

Language: Python - Size: 730 KB - Last synced at: about 2 months ago - Pushed at: over 1 year ago - Stars: 201 - Forks: 53

Gauranshgoel123/Leetcode-problems

Explore a curated collection of diverse coding challenges, honing problem-solving skills in a structured and organized manner. Whether you're a fellow learner or an interested observer, join the journey of mastering DSA through practical problem-solving.

Language: Java - Size: 557 KB - Last synced at: 21 days ago - Pushed at: 3 months ago - Stars: 3 - Forks: 0

meiqua/image_segmentation

graph based image segmentation for better 2D screw hole recognition

Language: C++ - Size: 17.7 MB - Last synced at: 3 months ago - Pushed at: about 7 years ago - Stars: 10 - Forks: 9

deehzee/unionfind

A union-find disjoint sets data structure implemented in Python with the "Weighted Quick Union with Path Compression" algorithm.

Language: Python - Size: 7.81 KB - Last synced at: 3 months ago - Pushed at: over 3 years ago - Stars: 67 - Forks: 21

ryanmcdermott/algorithms

Popular computer science algorithms implemented in Python

Language: Python - Size: 18.6 KB - Last synced at: 2 months ago - Pushed at: almost 4 years ago - Stars: 57 - Forks: 14

francedot/csharp-ds

A collection of Data Structures and Algorithms for preparing to coding interviews.

Language: C# - Size: 119 KB - Last synced at: 3 months ago - Pushed at: over 3 years ago - Stars: 19 - Forks: 1

tristanlatr/unionfind Fork of hagai-helman/unionfind

A union-find-remove disjoint sets data structure implemented in Python with the "Weighted Quick Union with Path Compression" algorithm - revisited to support remove operation.

Language: Python - Size: 24.4 KB - Last synced at: 4 months ago - Pushed at: 4 months ago - Stars: 0 - Forks: 0

divyadhimaan/Capstone-Project

A conceptual model to detect and verify signatures on bank cheques. This is our Final Year project at Thapar Institute of Engineering and Technology.

Language: Python - Size: 228 MB - Last synced at: 4 months ago - Pushed at: 4 months ago - Stars: 24 - Forks: 6

proton/algos

Algorithms on Python, Ruby, Rust, Java and JavaScript

Language: Ruby - Size: 77.1 KB - Last synced at: 4 months ago - Pushed at: 5 months ago - Stars: 0 - Forks: 0

berlin0308/NTU-2024Spring-PDSA

Language: Java - Size: 7.38 MB - Last synced at: 3 months ago - Pushed at: about 1 year ago - Stars: 0 - Forks: 0

akarimin/algs0

Algorithms Instructed by Dr. Robert Sedgewick

Language: Java - Size: 92.8 KB - Last synced at: 3 months ago - Pushed at: over 4 years ago - Stars: 1 - Forks: 0

mnpsnuwan/datastructures

A collection of powerful data structures are using java

Language: Java - Size: 1.39 MB - Last synced at: 3 months ago - Pushed at: over 1 year ago - Stars: 6 - Forks: 0

RealA10N/dsu

Disjoint set union (Union Find) performance focused implementation in Golang

Language: Go - Size: 25.4 KB - Last synced at: 6 days ago - Pushed at: 6 months ago - Stars: 0 - Forks: 0

luistar/union-find-c

C implementation of the union-find data structure

Language: C - Size: 14.6 KB - Last synced at: about 2 months ago - Pushed at: over 8 years ago - Stars: 6 - Forks: 1

prantomollick/DSA-Journey-Mastering-Algorithms-Structures

This repository is a comprehensive guide to mastering Data Structures and Algorithms (DSA) with a focus on coding interview questions.

Language: Java - Size: 98.6 KB - Last synced at: 7 months ago - Pushed at: 7 months ago - Stars: 1 - Forks: 0

Shiritai/rooted-disjoint-set

Python implementation of a (rooted) disjoint set, elegant, efficient and user-friendly.

Language: Python - Size: 3.91 KB - Last synced at: 3 months ago - Pushed at: 7 months ago - Stars: 0 - Forks: 0

Khojasteh/uf_rush

A lock-free, thread-safe implementation of the Union-Find (Disjoint-Set) data structure in Rust.

Language: Rust - Size: 14.6 KB - Last synced at: 17 days ago - Pushed at: over 1 year ago - Stars: 3 - Forks: 1

wisdommatt/go-data-structures

A collection of data structures implemented in Go.

Language: Go - Size: 46.9 KB - Last synced at: 3 months ago - Pushed at: over 3 years ago - Stars: 3 - Forks: 0

eMahtab/number-of-connected-components-in-an-undirected-graph

Size: 21.5 KB - Last synced at: 3 months ago - Pushed at: 9 months ago - Stars: 1 - Forks: 0

AkpoFlash/algos

🐾 Implementations of some basic algorithms

Language: TypeScript - Size: 207 KB - Last synced at: 3 months ago - Pushed at: about 3 years ago - Stars: 1 - Forks: 0

zhuichao001/hawker

Common engineering data structures and algorithms, such as linear,tree,linked list,graph,greedy,divide and conquer,dynamic programming, backtracking, depth search, breadth search and so on

Language: C++ - Size: 5.91 MB - Last synced at: 10 months ago - Pushed at: 10 months ago - Stars: 2 - Forks: 1

peterthehan/group-similar

Group similar items together.

Language: TypeScript - Size: 1.34 MB - Last synced at: about 1 month ago - Pushed at: over 1 year ago - Stars: 5 - Forks: 0

SilverTongue1729/Improved-Tarjan-Vishkin-for-Large-Graphs-using-DSU

Improving performance of Tarjan-Vishkin algorithm for finding BCCs, on large graphs using DSUs.

Language: C++ - Size: 892 KB - Last synced at: 11 months ago - Pushed at: 11 months ago - Stars: 0 - Forks: 0

tiemenrtuinstra/Code-Playground

🚀 A versatile Code Playground featuring projects on Percolation, Social Network Connectivity, Egg Drop Problem, and Color Conversion. Explore and experiment with various algorithms and data structures implemented in C#.

Language: C# - Size: 47.9 KB - Last synced at: 11 months ago - Pushed at: 11 months ago - Stars: 0 - Forks: 0

AnghelLeonard/Java-Data-Structures

Collection of data structures examples via Java

Language: Java - Size: 248 KB - Last synced at: 3 months ago - Pushed at: over 6 years ago - Stars: 18 - Forks: 20

aalekhpatel07/reunion-api

Python and JS API for a Union-Find data structure written in Rust.

Language: Rust - Size: 131 KB - Last synced at: 1 day ago - Pushed at: almost 4 years ago - Stars: 3 - Forks: 0

kimyoonduk/nyt-puzzle-solver

Algorithmic solvers for popular NYT word puzzles

Language: Python - Size: 109 KB - Last synced at: 12 months ago - Pushed at: 12 months ago - Stars: 0 - Forks: 0

martianoff/go-hpds

High performance and easy to use datastructure packages for Golang

Language: Go - Size: 63.5 KB - Last synced at: 11 months ago - Pushed at: over 4 years ago - Stars: 1 - Forks: 1

Ramzi-Abidi/Leetcode-Solutions

This repo contains all my leetcode solutions using javascript language.

Language: JavaScript - Size: 438 KB - Last synced at: about 1 year ago - Pushed at: about 1 year ago - Stars: 3 - Forks: 0

ramrunner/guf

connected components for the gopher

Language: Go - Size: 13.7 KB - Last synced at: about 1 year ago - Pushed at: almost 6 years ago - Stars: 0 - Forks: 0

ympons/go-algorithms

Playing with data structures and algorithms in Go :smile:

Language: Go - Size: 8.79 KB - Last synced at: about 1 year ago - Pushed at: about 6 years ago - Stars: 2 - Forks: 1

znrm/disjoint-hash-set

Incremental tracking of connected components identified by hash.

Language: Rust - Size: 1.05 MB - Last synced at: 26 days ago - Pushed at: about 1 year ago - Stars: 0 - Forks: 1

ryantanzr/AlgoWizardry

Educational game to teach discrete math concepts like graph theory

Language: C# - Size: 31.7 MB - Last synced at: 3 months ago - Pushed at: 12 months ago - Stars: 1 - Forks: 0

mzusin/mz-graph

Typescript implementation of graphs.

Language: TypeScript - Size: 187 KB - Last synced at: 3 months ago - Pushed at: about 1 year ago - Stars: 1 - Forks: 0

shashanksingh/toy_graph_db

Just a toy graph db so that we can play around with graph algorithms like connected components, Union Find etc. Its work in progress, feel free to raise PR

Language: Python - Size: 131 KB - Last synced at: about 1 year ago - Pushed at: almost 3 years ago - Stars: 0 - Forks: 0

Danitilahun/CompetitiveProgrammingSolutions

A comprehensive collection of code solutions for LeetCode and Codeforces problems, designed to enhance your competitive programming skills and help you tackle coding challenges with confidence.

Language: Python - Size: 890 KB - Last synced at: about 1 month ago - Pushed at: about 1 year ago - Stars: 1 - Forks: 0

jariazavalverde/prolog-union-find

A union-find algorithm implementation for SWI-Prolog

Language: Prolog - Size: 64.5 KB - Last synced at: 21 days ago - Pushed at: over 5 years ago - Stars: 2 - Forks: 0

chensongpoixs/cleet_code

LeetCode 的刷题

Language: C - Size: 1.94 MB - Last synced at: about 1 year ago - Pushed at: almost 3 years ago - Stars: 0 - Forks: 2

SRiazRaza/Advance_Algorithm_HomeWork

A Homework repository of Advance Algorithm course at University of Padova (Unipd)

Language: Jupyter Notebook - Size: 15 MB - Last synced at: about 1 year ago - Pushed at: about 3 years ago - Stars: 1 - Forks: 0

christiaankruger/union-find

Language: TypeScript - Size: 1000 Bytes - Last synced at: about 1 year ago - Pushed at: over 5 years ago - Stars: 0 - Forks: 0

Prathmesh311/DSA

A one-stop Destination✏️ for all your Competitive Programming Resources.

Language: C++ - Size: 491 KB - Last synced at: about 1 year ago - Pushed at: about 1 year ago - Stars: 1 - Forks: 0

kashaf12/Percolation-Java

Write a program to estimate the value of the percolation threshold via Monte Carlo simulation.

Language: Java - Size: 885 KB - Last synced at: about 1 year ago - Pushed at: about 6 years ago - Stars: 7 - Forks: 6

jemshit/DataStructures

Data Structures naively implemented in Kotlin for learning purpose

Language: Kotlin - Size: 124 KB - Last synced at: about 1 year ago - Pushed at: over 2 years ago - Stars: 6 - Forks: 0

HuanjieGuo/PrincetonAlgorithm

Princeton Algorithm Assignment

Language: Java - Size: 1.02 MB - Last synced at: over 1 year ago - Pushed at: over 2 years ago - Stars: 0 - Forks: 0

layan-mak/records-company

Data structure to manage data about records and customers using generic manually implemented hash tables, union find, and rank trees

Language: C++ - Size: 18.6 KB - Last synced at: over 1 year ago - Pushed at: over 1 year ago - Stars: 0 - Forks: 0

bpstelios10/coursera-algos

Coursera algorithms 1 (from Princeton Uni)

Language: Java - Size: 22 MB - Last synced at: 4 months ago - Pushed at: over 1 year ago - Stars: 1 - Forks: 0

anshul1004/MazeGenerator

Generates and displays a maze using disjoint sets

Language: Java - Size: 3.91 KB - Last synced at: over 1 year ago - Pushed at: about 5 years ago - Stars: 0 - Forks: 0

anshul1004/ConnectTexasCities

Implementation of Kruskal's MST

Language: Java - Size: 4.88 KB - Last synced at: over 1 year ago - Pushed at: about 5 years ago - Stars: 0 - Forks: 0

pvigier/DisjointSet

Disjoint-set data structure C++ library

Language: C++ - Size: 5.86 KB - Last synced at: 4 months ago - Pushed at: over 5 years ago - Stars: 1 - Forks: 0

RGPRafael/323

Alguns exercicios programas feitos na materia sobre Estruturas de dados 2 no IME-USP

Language: Java - Size: 44.9 KB - Last synced at: over 1 year ago - Pushed at: over 4 years ago - Stars: 0 - Forks: 0

SapphireDragoness/Algorithms-2

Implementation of various algorithms in Java.

Language: Java - Size: 11.7 KB - Last synced at: over 1 year ago - Pushed at: over 1 year ago - Stars: 0 - Forks: 0

Max00358/2A_Graphs_PowerGrid

Using Kruskal's algorithm, merge sort and union find path compression technique is applied to find a Minimum Spanning Tree (MST) of the graph

Language: C++ - Size: 13.7 KB - Last synced at: 16 days ago - Pushed at: almost 2 years ago - Stars: 0 - Forks: 0

theodesp/unionfind

An idiomatic implementation of a weighted Union Find data structure with path compression in Go.

Language: Go - Size: 6.84 KB - Last synced at: 2 months ago - Pushed at: almost 4 years ago - Stars: 21 - Forks: 6

facutotaro/TP2Algo3

Segundo trabajo práctico de la materia Algoritmos y Estructuras de datos 3 de la Universidad de Buenos Aires. Keywords: BFS, Dijkstra, Bellman Ford, Union FInd, Bertossi

Language: C++ - Size: 47.6 MB - Last synced at: over 1 year ago - Pushed at: almost 3 years ago - Stars: 0 - Forks: 0

CharlieH7/LeetCode-Questions

This is where I'll store code solutions for the questions I practice on Leetcode!!

Language: Java - Size: 181 KB - Last synced at: 4 months ago - Pushed at: over 1 year ago - Stars: 0 - Forks: 0

Rohan-dev-C/Union-Find

This C# Union Find implementation provides an efficient solution for disjoint-set data structures. It enables operations on sets, making it an resource for tackling graph-related problems and algorithms, ensuring fast and reliable connectivity analysis.

Language: C# - Size: 6.84 KB - Last synced at: over 1 year ago - Pushed at: over 1 year ago - Stars: 0 - Forks: 0

fattypiggy/algorithms

🏫learning algorithms

Language: Java - Size: 3.82 MB - Last synced at: almost 2 years ago - Pushed at: over 6 years ago - Stars: 0 - Forks: 0

Fazel94/union_disjoint_sets

Python implemetation of Union of disjoint set data structures

Language: Python - Size: 2.93 KB - Last synced at: almost 2 years ago - Pushed at: about 6 years ago - Stars: 3 - Forks: 1

d-dimos/algorithms_and_complexity_ntua

[ECE NTUA]💡Algorithms & Complexity - Theoretical and Programming Sets & Solutions (2020-2021)

Language: C++ - Size: 11.2 MB - Last synced at: almost 2 years ago - Pushed at: almost 4 years ago - Stars: 0 - Forks: 0

gbalbuena/algorithms

Language: Ruby - Size: 5.86 KB - Last synced at: almost 2 years ago - Pushed at: over 8 years ago - Stars: 0 - Forks: 0

Alvin-Leung/dotnet-extended-data-structures

Implementations of data structures not included with .NET

Language: C# - Size: 56.6 KB - Last synced at: almost 2 years ago - Pushed at: about 5 years ago - Stars: 0 - Forks: 0

DarkWingMcQuack/UnionFind

Header only library which implements a disjoint set data structure

Language: C++ - Size: 29.3 KB - Last synced at: almost 2 years ago - Pushed at: over 3 years ago - Stars: 0 - Forks: 0

c-deguzman/UVa-Solutions

Small collection of my UVa problem solutions (Competitive Programming)

Language: C++ - Size: 163 KB - Last synced at: almost 2 years ago - Pushed at: about 6 years ago - Stars: 0 - Forks: 0

leticiatavaresds/MSTKruskal

Implementação do algoritmo de Kruskal em Java para encontrar a Árvore Geradora Mínima de um grafo.

Language: Java - Size: 26.4 KB - Last synced at: almost 2 years ago - Pushed at: over 2 years ago - Stars: 0 - Forks: 0

Zedrichu/Algorithms-Data-Structures

Implementations of algorithms & data structures in Python and C++

Language: Python - Size: 70.3 KB - Last synced at: over 1 year ago - Pushed at: over 1 year ago - Stars: 2 - Forks: 1

FFloresM/tarea3

MST-Kruskal algorithm in Python using union-find data structure

Language: Python - Size: 169 KB - Last synced at: almost 2 years ago - Pushed at: about 6 years ago - Stars: 1 - Forks: 0

mfp0610/ants-rescue

mfp&qwj's final work of CPP class.

Language: C++ - Size: 32.9 MB - Last synced at: almost 2 years ago - Pushed at: almost 4 years ago - Stars: 0 - Forks: 1

ppgllrd/DataStructures.scala.DisjointSet

Disjoint sets aka union-find data structure

Language: Scala - Size: 13.7 KB - Last synced at: almost 2 years ago - Pushed at: over 2 years ago - Stars: 0 - Forks: 0

QQQQQby/Princeton-Algorithm-Assignments

Answers to assignments for Princeton University Algorithm Course

Language: Java - Size: 14.9 MB - Last synced at: almost 2 years ago - Pushed at: over 3 years ago - Stars: 0 - Forks: 0

JelawatIHPC/MazeImage

A Maze image generator on python3.

Language: Python - Size: 3.91 KB - Last synced at: almost 2 years ago - Pushed at: almost 2 years ago - Stars: 0 - Forks: 0

jar3m/c_data_structures

A generic data structures and algorithms library using C

Language: C - Size: 790 KB - Last synced at: over 1 year ago - Pushed at: over 2 years ago - Stars: 10 - Forks: 0

belushkin/dfs

Solving task for finding strong connected components in directed graph with DFS on Prometheus

Language: Java - Size: 14 MB - Last synced at: almost 2 years ago - Pushed at: about 5 years ago - Stars: 0 - Forks: 0

dstrebkov/union-find

C++ implementations of algorithms for solving Union-Find problem

Language: C++ - Size: 36.2 MB - Last synced at: about 2 years ago - Pushed at: about 2 years ago - Stars: 0 - Forks: 0

liavbarsheshet/union-find

Generic Union Find Based on up root tree written in c++.

Language: C++ - Size: 16.6 KB - Last synced at: 3 months ago - Pushed at: over 2 years ago - Stars: 3 - Forks: 1

kputnam/union-find

Implementation of the union-find algorithm in Haskell

Language: Haskell - Size: 15.6 KB - Last synced at: 3 months ago - Pushed at: about 3 years ago - Stars: 2 - Forks: 0

shgopher/godata

Basic data structures and operations written in Go, such as trie, bloom filter union&find etc.

Language: Go - Size: 48.8 KB - Last synced at: 3 months ago - Pushed at: almost 4 years ago - Stars: 8 - Forks: 1

lotrien/percolation

Site percolation (Monte Carlo simulation)

Language: JavaScript - Size: 486 KB - Last synced at: 6 days ago - Pushed at: about 2 months ago - Stars: 2 - Forks: 1

mikayelsaghatelyan/lnu-dsa-java

DSA implementations within the course of Algorithms and Advanced Data Structures (1DV516) at Linnaeus University, Autumn Semester 2022.

Language: Java - Size: 105 KB - Last synced at: almost 2 years ago - Pushed at: about 2 years ago - Stars: 0 - Forks: 0

cary61/LeetCode-Java-Algorithm-Templates

Helps to build your solution faster during leetcode contest, without same old template writing.

Language: Java - Size: 145 KB - Last synced at: about 2 years ago - Pushed at: over 2 years ago - Stars: 3 - Forks: 1

Pavitra554/DSA

codes!!!!

Language: Java - Size: 85.9 KB - Last synced at: over 2 years ago - Pushed at: almost 3 years ago - Stars: 4 - Forks: 3

Arjiit/LeetCode-Patterns

Set of Patterns to solve many algorithmic questions of similar type on LeetCode

Language: Java - Size: 249 KB - Last synced at: over 2 years ago - Pushed at: about 5 years ago - Stars: 20 - Forks: 11

lindsaypj/maze_generation

Simple Java application to generate and solve mazes using graph theory.

Language: Java - Size: 82 KB - Last synced at: about 2 years ago - Pushed at: over 2 years ago - Stars: 0 - Forks: 0

Akcps/dsa

Implementation of Data Structures and Algorithms

Language: Java - Size: 56.6 KB - Last synced at: over 2 years ago - Pushed at: over 2 years ago - Stars: 0 - Forks: 0

kasperisager/union 📦

A Go implementation of a union-find data structure

Language: Go - Size: 12.7 KB - Last synced at: about 1 year ago - Pushed at: over 8 years ago - Stars: 1 - Forks: 0

r0nz-29/algorithms

Visualizations of popular algorithms of computer science

Language: Java - Size: 171 KB - Last synced at: about 2 years ago - Pushed at: over 2 years ago - Stars: 0 - Forks: 0

ShanM5/GameOfLife

Creating John Conway's Game of Life. Provided with Driver.java that displays the board. Tasked with implementing GameOfLife.java, receives text input to create the 2D array board, methods that identify alive cells and their neighbors, computing the grid's new generations following the game’s rules, and count # communities using weighted-qucik-union

Language: Java - Size: 78.1 KB - Last synced at: about 2 years ago - Pushed at: over 2 years ago - Stars: 0 - Forks: 0

Riteshp2001/Percolation-System

This is the visualization tool in java-programming language to estimate the value of the percolation threshold. via Monte Carlo simulation.

Language: Java - Size: 1.21 MB - Last synced at: about 1 year ago - Pushed at: over 2 years ago - Stars: 1 - Forks: 0

ivanmmarkovic/javascript-algorithms-data-structures

JavaScript algorithms and data structures

Language: JavaScript - Size: 85.9 KB - Last synced at: over 2 years ago - Pushed at: over 2 years ago - Stars: 1 - Forks: 0