Click here to Skip to main content

Submit your article

Graph

graph

Great Reads

Using Microsoft Chart in WPF

by Bharat Mallapur

Sample project to host MS-Chart in your WPF application

Sequence Detection With a Finite-State Machine

by Dmitrii Nemtsov

A way to build a finite-state machine identifying predefined sequences in a stream of characters

EpForceDirectedGraph.cs- A 2D/3D force directed graph algorithm in C#

by Chris La

A 2D/3D force directed graph algorithm in C#

Step by Step Way to Use chart.js with AngularJS

by saransh89

How to create stack bar chart using AngularJs and ChartJS

Latest Articles

Sequence Detection With a Finite-State Machine

by Dmitrii Nemtsov

A way to build a finite-state machine identifying predefined sequences in a stream of characters

Using Bottom Up Dynamic Programming to Solve the Coin Change Problem

by IAmJoshChang

Today we are going to demonstrate how to use Top Down Dynamic Programming to solve the problem, Coin Change.

Learn Breadth First Search Graph Traversal with Clone Graph

by IAmJoshChang

Graphs are one of the most common questions that might show up in a technical interview, especially in these days where many real-world applications can be represented by nodes and edges such as the social networks!

Learn Postorder Binary Tree Traversal by Solving Maximum Depth of a Binary Tree

by IAmJoshChang

How to traverse a postorder binary tree

All Articles

Graph

I am unable to solve this graph problem? .. Can I get some hint?

29 Jun 2021 by Aditya Gupta 2021

Arif runs an NGO for the welfare of animals. There are N workers in his NGO and they have been assigned the task to collect funds for the smooth running of the NGO. Arif has the information for each worker of how much amount they could collect...

Facebook graph api returns only one item

6 Nov 2014 by Afzaal Ahmad Zeeshan

There might be a change on the Facebook Graph or their API. You can consult a client from their API to get help in this, if there is no problem in the code execution but just an unsual result, you can try asking them out for help. Or a better option is to check their API, they might have...

Shortest path from one source which goes through N edges ?

29 Jun 2018 by Alexandre Cornet

In my economics research I am currently dealing with a specific shortest path problem: Given a directed deterministic dynamic graph with weights on the edges, I need to find the shortest path from one source S, which goes through N edges. The graph can have cycles, the edge weights could be...

SQL Simple Utilities

22 Sep 2016 by Alexandros Pappas

This project provides utilities for SQL server, such as executing a list of SQL scripts, exporting data to an SQL script, and displaying relationships between records.

How do I count page and link and average input / output degree in distribution degree web graph

16 Oct 2016 by Alireza Shokrizadeh

Here is my codeimport networkx as nximport pylab as pltfrom collections import Counterwebg = nx.read_edgelist('web-graph.txt',create_using=nx.DiGraph(),nodetype=int)in_degrees = webg.in_degree()in_values = sorted(set(in_degrees.values()))in_hist = [in_degrees.values().count(x)for...

Need help with a graph problem

27 Dec 2021 by Andy Bantly

This problem is discussed in the book Algorithms in C++ volume 5 - Graph Algorithms. I believe your solution is going to be based on minimal spanning trees. The chapter on this topic (chap 20) is very detailed. I think if you can see it, then...

Is there an algorithm for generating random pairs of a set of numbers?

7 Jan 2022 by Annaarddy

Genetic algorithm will work for generating random pairs

How to add both click and double click event in svg D3charts

30 Mar 2015 by Averla

How to add both click and double click event in svg D3charts. I tried this code. Iam using D3 charts.. I devoleped Tooltip but i need to create a div to show the data on double click to copy data, i have a click event where in that event child-parent hiding take place. I want to implement double...

Using Microsoft Chart in WPF

2 Jul 2015 by Bharat Mallapur

Sample project to host MS-Chart in your WPF application

Maximum edges to be added to k strongly connected components to make it a strongly connected graph.

8 May 2022 by Bornita Das

I am new to Graph Theory. I am trying to understand the relationship between Strongly connected graphs and Strongly connected components(SCC). Please explain why if there are k SCCs in a graph, we can add atmost 2k edges to make the graph a...

Change the graph visualization bu using loops in Python

28 Jul 2020 by bswarrior

ı need make a loop from data coordinates for graph, for example ı want to change the plot's color in graph one by one and starts again from the firs one.I'll be glad if you can help me. What I have tried: import numpy as np from matplotlib...

data-visualization

Excel Chart Type vertical value

14 Jan 2015 by Chetan Saini

From a long time i am trying to generate graph like this Image Url Codes i tried. Excel.Range chartRange1; Excel.ChartObjects xlCharts1 = (Excel.ChartObjects)worksheet.ChartObjects(Type.Missing); Excel.ChartObject myChart1 =...

'xxxx' does not contain a definition for 'yyyy' - C#

28 Jan 2015 by CHill60

Whenever you are trying to sort out problems in your code start at the very first error reported not somewhere in the middle!The first error reported is not on that line at all - it's on public void Form1_Load(object sender, CpuUsage e) and states Quote:The type or namespace name 'CpuUsage'...

EpForceDirectedGraph.cs- A 2D/3D force directed graph algorithm in C#

26 Oct 2014 by Chris La

A 2D/3D force directed graph algorithm in C#

How to create graph in PHP

25 Apr 2019 by Christian Graus

PHP runs on the server. Javascript runs on the client and is precisely what you need to use, unless you're determined to generate a static bitmap on the back end and then serve it. I'v never used PHP, but, I imagine it could only do that via a COM object?

C# winform chart - data points reduction

14 Jan 2024 by Code Artist

Consider this algorithm Implementation Downsampling Algorithm in MSChart Extension[^] to plot large data size without loosing details of trends and performance impact.

How to use chart control in asp.net Framework 2.0 ?

26 Nov 2014 by CPallini

MSDN provides tutorials about: "Getting Started"[^]

draw polygon in c++ and show its area in output using polygon area formula.

29 Jun 2015 by CPallini

Assuming you are able collecting input from the user, then drawing the polygon is trivial:call moveto(x0,y0); lineto(x1,y1);...;lineto(x0,y0);Computing the perimeter is relatively easy, since, for instancel01 = sqrt((x1-x0)*(x1-x0)+(y1-y0)*(y1-y0));gives the length of the side connecting...

Double pointer to a queue node

16 Nov 2018 by CPallini

Let's try a bit of experimental evidence. The program #include #include struct Queue { int data; int priority; struct Queue *next; }; void dump_pointers( struct Queue ** phead) { printf("-- dump_pointers --\n"); printf("phead=%p, *phead=%p &(*phead)=%p\n", phead,...

Is there an algorithm for generating random pairs of a set of numbers?

26 Aug 2021 by CPallini

Suppose you have a way to compute the nth combination of two indices of your list. E.g. list { 4, 8, 9 } combination number pair 0 (4,8) 1 (4,9) 2 (8,4) Then you have two (or...

GraphQL on Unstructured Data Context

25 Mar 2019 by Daniele Fontani, keggyy

In this article, we explain GraphQL and show how to use it with an unstructured database (MongoDB)

A Software Tool for Injury Analysis of Automobile Crash Data

15 Mar 2019 by Darryl Bryk

A software application is presented which facilitates the analysis of crash test data, automatically generates graphs with injury criteria, and generates reports

How can I display graph with oxyplot ?

16 Apr 2017 by Dave Kreskowiak

OK, have fun getting support for OxyPlot from the people who are writing it. Support · OxyPlot[^]

Need help with a graph problem

27 Dec 2021 by Dawood Ahmad 2021

Hi everyone, I am struggling with a graph algorithm problem in my Data Structures Lab assignment. I am given a weighted graph with N number of vertices. We have a starting point and we want to travel and visit as much vertices as possible, but...

How to modify dbscan algorithm for graphs datasets

19 Oct 2015 by devandprog

I have implemented dbscan algorithm in c#.net since this algorithm deals with datasets which contains d-dimensional points e-g the datasets it use are of the following formatexample:10,10020,3050,8469,74............I want to modify this algorithm for graphs datasets....

Sequence Detection With a Finite-State Machine

13 May 2023 by Dmitrii Nemtsov

A way to build a finite-state machine identifying predefined sequences in a stream of characters

machine-learning

WinForms ReportViewer graph error assembly not found

29 Oct 2014 by DoomedOne

Hi everyone, I have a trouble modifying an old report, client wants to add a graphic in a report, Visual studio reporting services (no Crystal), not so hard I think myself, but now i'm struggling with an error: Could not load file or assembly 'Miscosoft.ReportViewer.DataVisualization,...

WinForms ReportViewer graph error assembly not found

10 Nov 2014 by DoomedOne

I solved it, by replacing Microsoft.ReportVierwer.DataVisualization.dll from other development PC, delete reference to it from the proyect, re-add reference in the proyect.Now works.Regards

modds Drag and Drop Programming for C# Creating Class Library (DLL) - Part 5

20 Sep 2016 by douglas young

Visual Programming Language

.NET-Compiler-Platform

D3 zoom on a chart with axes and circle line graph

26 Sep 2022 by Dvdscot

Hello, I am trying to implement Zoom on this example: How to create a line chart using D3[^] I found several examples of zoom, with axes and without. Generally you need to select an area, call zoom there and this zoom is a d3.zoom which then...

Struct and algorithm graph in C++

17 Apr 2021 by Dương Dương

An intranet has n computers numbered 1 through n and m one-way communication links between several servers. A path of the form u, v, t represents the time it takes to transfer a file from server u to server v as t. When a computer receives a file...

Facebook graph api returns only one item

6 Nov 2014 by Elgars Logins

I was using facebook graph api "/me/home" for my app. But now it returns just 1 record. It happened just in 2 days. Does anyone run into the same issue? How to fix it?

'xxxx' does not contain a definition for 'yyyy' - C#

28 Jan 2015 by Eric@Fibonacci

Hi there!I am working on a C# application that monitor CPU Usage. The raw data must flow through a Graph and display on a form application. I'm quite new with C# and this error "Does not contain a definition for..." bullies me for a few days now haha. I've done tons of research on the problem,...

Knight and pawn's shortest question by BFS

9 Aug 2017 by Espen Harlinn

Google gave me this:Chess Knight Problem | Find Shortest path from source to destination[^] It's pretty close to what you need, as you know where the pawn is going to be in x number of steps ... Best regards Espen Harlinn

How to generate dynamic graph that refresh for every 30 seconds in web application?

10 Dec 2014 by Garth J Lancaster

in the old days of simple html, since I was never a web expert, I used to produce pages that looked like this :- Karthik Ravi - Graph of x vs y

Maximize profit on un-directed tree.

5 Aug 2019 by geek code

I came across this problem while giving a sample test. The problem was that we have given a tree which is undirected. We can start from any node of our choice. Initially we have power "P" and while going from one node to other node we loose some power "X" (consider as cost of travelling) and...

2d line chart with runtime values in datagridview1 using livechart NuGet package in C#

30 Sep 2020 by Gerry Schmitz

You have 3 "components": 1) One to collect the data into a queue / collection. (e.g. BackgroundWorker) 2) Another that updates the Grid 3) Another that updates the chart. If #1 uses an observable collection, #2 and #3 can subscribe to the...

How do I find the number of connected components in a undirected graph?

19 Mar 2021 by Greg Utas

By connected components, I assume you mean the number of disjoint subgraphs. If so, I would use an edge deletion algorithm. Put each vertex in a separate set and then iterate over the edges. For each edge, combine the two sets that contain the...

Prim's algorithm implementation using heap.

21 May 2021 by Greg Utas

An interesting problem, which is described here[^], including how to use a heap. I wasn't sure if the question meant "use the C++ heap" (dynamic memory allocation) or "use a heap data structure" (which is what the article suggests to improve the...

Need help with a graph problem

26 Dec 2021 by Greg Utas

I can't see a way to do this except for an exhaustive search (depth-first recursion) from the starting point. Exclude an edge when it has already been traversed in the same direction. When you can't add another edge, compare the number of...

Count the longest path in a directed graph

16 Jan 2022 by Greg Utas

It is very unlikely that anyone will write this code for you. I assume that DFS = depth-first search. That will work, but you have to do a DFS starting from each node in the graph. During the search, you'll need to pass a vector of the nodes...

Maximum edges to be added to k strongly connected components to make it a strongly connected graph.

8 May 2022 by Greg Utas

O(n) algorithms for finding strongly connected components are referenced here[^]. I think your intuition is correct. However, the wording "we can add at most 2k edges to make the graph a strongly connected one" is confusing. In many such graphs,...

Tracing bishop moves

8 Mar 2020 by grvgrvgrv

Ada took a standard chessboard with 8 rows (numbered 1 through 8) and 8 columns (numbered 1 through 8); let's denote a cell in row r and column c by (r,c). Then, Ada placed a bishop in a cell (r0,c0) ; it is guaranteed that this cell is black....

Learn Postorder Binary Tree Traversal by Solving Maximum Depth of a Binary Tree

29 Nov 2020 by IAmJoshChang

How to traverse a postorder binary tree

Learn Breadth First Search Graph Traversal with Clone Graph

4 Dec 2020 by IAmJoshChang

Graphs are one of the most common questions that might show up in a technical interview, especially in these days where many real-world applications can be represented by nodes and edges such as the social networks!

Using Bottom Up Dynamic Programming to Solve the Coin Change Problem

17 Dec 2020 by IAmJoshChang

Today we are going to demonstrate how to use Top Down Dynamic Programming to solve the problem, Coin Change.

Input and output help in topological sorting

15 Jun 2020 by imabadjoke

public static void main (String [] args){ Scanner sc= new Scanner (System.in); System.out.println("Enter no. of Islands"); int n= sc.nextInt(); Graph g = new Graph (n); System.out.println("Enter no. of...

How can I create a piechart in excel by VBA?

8 Nov 2017 by JayyMehta

I am new to VB and am trying to learn how to create a pie chart out of certain values on the excel spreadsheet. I know how to do the bar charts but i was wondering whether you guys are aware of online resources or tutorials for this.. Thanks. What I have tried: Charts.Add ActiveChart.ChartType...

I Need To Suspend Refreshing When I Move (Resize) Form Or Component

8 Oct 2015 by Jesús Álvarez

I have problem whit the chart when i resize other controls, i have a seri with N point added to my chart, then i paint a line graph.DrawLine(new Pen(Color.Yellow, 1), point3, point4); when i resize other control o de form this line disapear, then when i zom in the chart appear again. I need to...

Time series plot of magnetic field data

5 Mar 2022 by Junaid Ihsan

I have data in excel sheet, having two columns (YEAR, nT), now I want to plot these two but I'm not getting the required graph, the code is import numpy as np import pandas as pd import matplotlib.pyplot as plt M1 = pd.read_csv('MF.csv',...

Fast Graph Traversal

8 Apr 2016 by jurhas

Solving graph on linear time

how do I calculate polygons area and perimeter in this program?

29 Jun 2015 by KarstenK

The areas can get computed via triangulation: you seperate the polygon in triangles and add their areas. The perimeter is more complex. You need to find all outsides and add them.For that you may look for some algorhitm. I would write a test function to proof that a points is NOT in a...

Path scheduling for two robots in an undirected weighted graph

5 Dec 2020 by KarstenK

you must seperate each condition or state into a seperate block or function and than solve it. For that you need some C++ from some C++ tutorial. Use class design like for the robots and the standard library. Make a lot of output, ev write a...

Struct and algorithm graph in C++

17 Apr 2021 by KarstenK

Nice try, but it isnt a C++ solution worth its name. You need more structure like with classes, structs and functions. It is used to gain some clean code for beginners. Be aware that your homework will be read by your teacher or tutor and he...

Is there any pseudocdoe or algorithm that might help this question on undirected graph?

27 Mar 2023 by KarstenK

It sounds similar like the Travelling salesman problem. So you might look at this problem and its solution. The best solution may be some heuristic approach by trying each combination and evaluate them. Tip: use structs and arrays to write...

How to use chart control in asp.net Framework 2.0 ?

26 Nov 2014 by Karthik Ravi

Hi All,I working in a project done in .net Framework 2.0, I need chart control for displaying chart in web application i can't use chart control its hidden in tools.I also referenced "system.web.datavisualization.dll" , even its not working.can anyone suggest any solution for...

How to generate dynamic graph that refresh for every 30 seconds in web application?

10 Dec 2014 by Karthik Ravi

Hi all I am generating dynamic graph using Graph control in dot net with good look and feel that will refresh for every 30 seconds(Every 30 seconds values are automatically inserted in db) in asp.net web application. I'm doing it in Framework 4.I'm using only Graph control in dot net,...

Bfs traversal using C

25 Sep 2018 by kavinderrana121

I'm studying graphs at the moment, and I'm using C. When I represent a graph with an adjacency list, I need a queue for a BFS traversal. However, I'm having some issues with the code - I'm not sure if I grasped the concept of a bfs traversal with queues well. I pasted the commented code below,...

Double pointer to a queue node

16 Nov 2018 by kavinderrana121

My doubt is regarding pointer only,Here head is a double poiner to Queue if we are using *head than we are accessing the location(or address passed) inside main but when we are using simply head than we are using head in the current function only which will hold the address of pointer to Queue...

How to use chart control in asp.net Framework 2.0 ?

26 Nov 2014 by King Fisher

Try this Free Source :http://www.chartingcontrol.net/[^]http://www.fusioncharts.com/goodies/fusioncharts-free/[^]

Removing an edge while traversing a directed graph

9 May 2016 by leon de boer

Lets start with the most obvious problem I can see, that you haven't initialized the bool array visitedbool *visited = new bool[V]; // this leaves all the values in the array random are you sure you didn't mean to initialize it like so?bool *visited = new bool[V](); // this zeros the...

Knight and pawn's shortest question by BFS

9 Aug 2017 by Lê Nguyễn thị hoa

[HELP] A chess have infinite size, Knight is at Mx, My and can move for 8 directions ( As rules of chess ) and the Pawn is at Tx, Ty but just go up (Tx, Ty -> Tx + 1, Ty) . The question : If the Knight move first, how many steps do we need to make Knight eat Pawn ? Link question :...

Is it possible to make C# program for printing all paths in envelope form graph

2 Jun 2020 by Maciej Los

Check this out: Graphs and Dijkstra’s Algorithm (C#) – Bits and Pieces of Code[^] For further details, please see: Shortest path problem - Wikipedia[^]

How to check if the value entered in text box is greater than label value

1 Mar 2021 by Maciej Los

Quote: I want a condition to say if the txtTest2.Text value is greater than the lblvalue then it doesn't show in the chart Stop! Think of it. Label, textbox, etc. is just a control. You have to work on data (graph data). So, all what you need...

How to create graph in PHP

26 Apr 2019 by MadMyche

Separation of Concerns comes into play here. The Chart is presentation layer and should be one of the last things to do; easiest way to do it would be via JavaScript on the actual webpage. PHP is server-side, and will play the roles of the Business Layer as well as the Data Layer. So how do...

Using Machine Learning (Or Any other Technique) to recognize Patterns in a Graph?

23 Feb 2015 by manchanx

I'm no AI expert but I'd say AI isn't required to solve this and most probably wouldn't be the quickest way. I would try this approach:Imagine a cube - axis X is the day of the week, axis Y is the time spent studying and axis Z is the frequency of that happening (reflecting the "mostly" and...

artificial-intelligence

Multiple start and end nodes in control flow graphs

3 Mar 2020 by Manujaya Premathilaka

Can a control flow graph contain multiple start and end nodes? If so, what will happen when multiple start and end nodes contain in a control flow graph? Thanks in advance What I have tried: I tried googling but I couldn't find an answer.

Semantic Database: Concept, Architecture and Implementation

25 Oct 2014 by Marc Clifton

No word has a value that can be identified independently of what else is in its vicinity.

Using Machine Learning (Or Any other Technique) to recognize Patterns in a Graph?

23 Feb 2015 by Matt T Heffron

Is the graph image what you actually have as input (i.e., you have image files as the input)?Or do you have the data points that were used to generate the image(s)?If you really want to learn about Machine Learning and Classification systems, check out the Free, introductory Machine...

artificial-intelligence

Clear data and redraw line chart using Canvas HTML5

2 Dec 2015 by Member 10243484

Hi all, I used canvas line chart with HTML5. I have a trouble with clear data and redraw the data. Example I drawn the random data on Y-Axis and the X-Axis increased one value in updateInterval times. I want when the X value had 200 and clear all data displayed on line chart and redraw again...

Timeline bar for graph

10 Jun 2015 by Member 10527566

I have a graph with nodes that have a time property. I was wondering if there is a control that displays a timeline according to the nodes.Something like the below picture:http://s3.picofile.com/file/8192248918/TimeLineGraph.png[^]For example in the picture the first node’s time is...

Using Machine Learning (Or Any other Technique) to recognize Patterns in a Graph?

22 Feb 2015 by Member 11065384

I need to recognize a pattern in the following diagram/example:Image LinkI need to recognize that students spend a lot of time studying for 40-55mins ON Monday, Tues, wed. And rarely studies on another date and so forth. Can I use Machine Learning to do this or is there an easier and...

artificial-intelligence

How can send request to facebook page admin for get access permission using graph api

4 Sep 2015 by Member 11082591

i have Facebook application and business manger account i want to get access of Facebook page which is not my own. so i want to send request to page admin to get access on that page using Graph API. can it possible using graph API.which Facebook page i want to access that page admin need a...

How to make a spanning tree in C# for a given element in a matrix

3 Jul 2017 by Member 11247684

I need to extract the best path in terms of its length from a rectangular array like this array: Quote: |1||0||1||0| |1||0||0||1| |1||1||0||1| |0||0||1||1| The pathfinding rules: 1- Start from the indexes provided in the method signature where the rowIndex and colIndex are the positions of...

How do I create a 2D graph with this code in OpenGL?

22 May 2015 by Member 11712614

#include using namespace std;int main (){ double dt = 0.10; //(it is constant) double t = 0.00; double dx = 0.10; //(it is constant) double x = 0.00; double ddy = 1.00; //(it is constant) double dy = 0.00; double y =...

draw polygon in c++ and show its area in output using polygon area formula.

29 Jun 2015 by Member 11801907

like i want to draw a polygon in c++ using graphics.h . then ask for coordinates and sides. x1, x2 ,y1 ,y2. then draw the polygon and show its area and perimeter as output. using their mathamatical formulas. I have done this. #include #include #include ...

how do I calculate polygons area and perimeter in this program?

30 Jun 2015 by Member 11801907

#include #include #include #include void show_screen( ); void Polygon(const int,const int []); void Line(const int,const int,const int,const int); int main( ) { int driver=VGA; int mode=VGAHI; ...

How do I make the x-axis to take non uniform data

4 Aug 2015 by Member 11845912

Hi,I want x-axis to display non uniform data. My x-axis data is not uniform. Below are the data:7, 15, 20, 30, 32, 40, 56 etc....How can I make the x-axis take only these values. I am using graphlib, and I have set the grid distance as 1. It is displaying the x-axis as...

Is there an algorithm for generating random pairs of a set of numbers?

7 Jan 2022 by Member 12085717

I have a discontinuous list of numbers N (e.g. { 1, 2, 3, 6, 8, 10}) and i need to progressively create random pairs of numbers in N and store them in a list in which there can't be twice the same pair. For example for a list of 3 different of...

How Can I Represent Graph Of Numbers Greater Than 10 Using Graphsharp Library?

31 Oct 2015 by Member 12094885

i am using graphSharp lib for my project . in which i need to represent more than 10 elements but it did not view properply . here is the code private void CreateGraphToVisualizenode() { var g = new BidirectionalGraph>(); ...

Is there any way to fetch the data from influxdb(cloud) or dynamodb(cloud) into the graphdb free tool and make a sparql query

25 Dec 2019 by Member 12128269

We have some data in both influxDb and dynamoDb. Now we want to fetch the data from both the DataStores into GraphDB free and make a sparql query by joining the results. What I have tried: We tried to fetch it using the URL directly in the import section of GraphDB Free but we are unable to do...

BFS modification for total shortest paths between 2 nodes

20 Dec 2015 by Member 12160712

So if I have two nodes in a graph, and they are connected through more than one edge while having the same shortest path between them (i.e if I have node A and node B and they are connected directly through three edges : edge 1, edge 2, edge 7 (there are 3 shortest paths between them each of...

How to represent a Bipartite graph?

20 Dec 2015 by Member 12160712

So, I'm trying to implement a program that calculates the degree of separation between 2 actors, for example if they both starred in the same movie then the degree of separation between them is 1. The problem is not how to calculate the degree of separation as I was able to demonstrate it, my...

Depth First Search in Python

1 Feb 2016 by Member 12300805

graph = {'A': set(['B', 'C']), 'B': set(['A', 'D', 'E']), 'C': set(['A', 'F']), 'D': set(['B']), 'E': set(['B', 'F']), 'F': set(['C', 'E'])} def dfs(graph, start): visited, stack = set(), [start] ...

C++ graph. Program looking for ->()<-

15 May 2016 by Member 12512211

I need to make a program that searches for node with two arches to it. ->(). #include using namespace std;const int n=8;struct link{ char key; link...

I want convert adjacency matrix to adjanceny list in this BFS code, thanks :)

3 Feb 2017 by Member 12613265

// Implementing BFS Algorithmimport java.util.ArrayList; import java.util.LinkedList; import java.util.Queue; public class BFS { private Queue queue; // Queue that will contain some of Nodes static ArrayList nodes=new...

Keyboarding (how to find shortest path)

13 Sep 2016 by Member 12731860

problem explained here Keyboarding – Kattis, ICPC World Finals[^]What I have tried:What I did first was to put all characters in a 2-D array, find where all the letters are in array and adding the absolute value of the difference of the indexes to get shortest path, this only...

Keyboarding (how to find shortest path)

18 Sep 2016 by Member 12731860

I found this solution but its in c++ and I know c#, I dont understand it, can someone please explainusing namespace std;int dx[4] = { 1, 0, -1, 0 }, dy[4] = { 0, -1, 0, 1 };int mv[50][50][4];int best[50][50];int _tmain(int argc, _TCHAR* argv[]){ int Y, X; while (cin...

How do I solve the following problem ?

7 Jan 2017 by Member 12847424

Given an array C of n integers C1, C2, ... Cn and n-1 pairs of integers (p,q) which represents bi-directional links between p & q.Our task is to find for every index i from 1 to n the index j of the array C such that the value of Cj is largest and j is not equal to i and is also not linked...

What is the best way to sync user licenses from azure ad using graph API?

22 Jan 2017 by Member 12962833

i am trying to get the license details of each user on my azure tenant on this webapp and i want to provide an edit option like the one you find in office 365 for user licenses how can i do this right? my details.cshtml page

R - how do I plot a network visualization graph from a x-y coordinate matrix and an adjacency matrix?

10 May 2017 by Member 13191541

In R programming - How do I plot a network visualization graph given a matrix X with a 2 column coordinate system: coordinates

How to make a spanning tree in C# for a given element in a matrix

3 Jul 2017 by Member 13291909

using System; using System.Collections.Generic; namespace Prim { class PriorityQueue { int heapSize; List nodeList; public List NodeList { get { return nodeList; } }...

How to make a figure plotting p-values by range of different adjustment values?

11 Jul 2017 by Member 13304699

Thank you for taking the time to read my message. (Using the **logit** function in package **car**) My Statistical analyses were conducted on probability estimates ranging from 0% to 100%. As it's not ideal to run linear models on percentages that are bounded between 0 and 1, these...

Find all paths through all edges between two nodes

20 Nov 2017 by Member 13468650

I am trying to figure out how to find all paths between to nodes through all edges, not vertices. Was thinking about visited[][], to check did edge was visited, but I came up with some problems. Maybe I there is simple way and I can't see it. Any ideas? void allPathsDFS(int verticeFrom, int...

How to calculate heuristic value in a* algorithm?

25 Nov 2017 by Member 13485513

I am doing a project to code the A* algorithm in the shortest path problem. In able to determine the shortest path using A* algorithm, I acknowledge that we have to get the heuristic value first. Do anyone know how to calculate and determine the heuristic value for each nodes? [i made up the map...

How do I plot the first two columns from a csv file?

18 Jun 2018 by Member 13647869

I have a csv file that contains the following: the date a tweet is published, the sentiment value (0=negative and 1=positive), and then the tweet in the third column, all seperated by commas. I need to plot the date on the x-axis and the sentiment value on the y-axis to see the change of...

How do I change color for a particular point for bar graph in excel C#

14 Oct 2020 by Member 13650651

Excel.ChartObjects xlCharts = (Excel.ChartObjects)oSheet.ChartObjects(Type.Missing); Excel.ChartObject myChart = (Excel.ChartObject)xlCharts.Add(10, 80, 450, 275); oSheet.Shapes.Item("Chart 1").Top = (float)(double)oSheet.get_Range("A15", "A16").Top; ...

How do I scale down a plot to fit in with another plot?

17 Aug 2018 by Member 13952951

I have two plots. One is a plot of ten basketball players' paths and because of the coordinate system is scaled to a roughly 50x50 graph. The other is of some basketball half-court plotting code that I found online that is plotting on a roughly 500x500 graph scale. I want to superimpose the...

How do I print labels on a glcontrol in opengl.net without using GLUT

11 Sep 2018 by Member 13981298

Need to print labels on a GlControl box for a graph. This can be done easily with Glut. However, OpenGL.Net does not seem to support GLUT. What I have tried: Tried writing the string on a bitmap and then print it on the Glcontrol but it prints some garbage value. The application is in WinForm....

Number of triplets with same edge color in complete graph

23 Jan 2019 by Member 14042924

I'm practicing for National programming competition and I came on this problem: We are given undirected complete graph with N vertices. Every edge in graph has color red or green. We should find number of triplets(i,j,k) of vertices such that edges(i,j),(j,k)and(i,k) all have same color. We are...