public static Dictionary <int, int> DSATUR(ListGraph graph)
{
var verticesColors = new Dictionary <int, int>();
var notColoredVertices = graph.Nodes;
var adjacentVerticesColors = Enumerable.Range(0, notColoredVertices.Count).ToDictionary(k => k, v => new List <int>());
var usedColors = 1;
while (notColoredVertices.Count != 0)
{
var vertexToColor = GetVertexToColor(notColoredVertices, adjacentVerticesColors);
var availableColors = new HashSet <int>(Enumerable.Range(0, usedColors).Where(x => !adjacentVerticesColors[vertexToColor.Number].Contains(x)));
var color = availableColors.Count != 0 ? availableColors.Min() : usedColors;
usedColors = availableColors.Count != 0 ? usedColors : usedColors + 1;
verticesColors[vertexToColor.Number] = color;
notColoredVertices.Remove(vertexToColor);
foreach (var neighbor in vertexToColor.Neighbors)
{
adjacentVerticesColors[neighbor.Number].Add(color);
}
}
return(verticesColors);
}
static void Main(string[] args)
{
var graph = new ListGraph();
var bob = new Vertex("Bob");
var alice = new Vertex("Alice");
var mark = new Vertex("Mark");
var rob = new Vertex("Rob");
var maria = new Vertex("Maria");
graph.AddVertex(bob);
graph.AddVertex(alice);
graph.AddVertex(mark);
graph.AddVertex(rob);
graph.AddVertex(maria);
graph.AddEdge(bob, alice);
graph.AddEdge(bob, rob);
graph.AddEdge(alice, mark);
graph.AddEdge(rob, mark);
graph.AddEdge(alice, maria);
graph.AddEdge(rob, maria);
foreach (var vertex in ListGraph.DepthFirstTraversal(graph, bob))
{
Console.WriteLine(vertex.Label);
}
foreach (var vertex in ListGraph.BreadthFirstTraversal(graph, bob))
{
Console.WriteLine(vertex.Label);
}
}
static void Main(string[] args)
{
bool[,] boolMap = GetBoolMapFromTxt(robotMapPath);
ListGraph <MapElement> robotGraph = BooleanMapToGraph(boolMap);
Console.WriteLine("//////////////////////////////////GRAFO ROBOT//////////////////////////////////\n\n");
Node <MapElement> inicio = robotGraph.NodeList.Find(f => f.Element.Id == 73);
robotGraph.RUNALL(robotGraph, inicio, 21);
List <Airport> airports = new List <Airport>();
foreach (string json in File.ReadAllLines(airportJsonFile))
{
airports.Add(JsonConvert.DeserializeObject <Airport>(json));
}
bool[,] relations = GetRelations(airports);
double?[,] distances = GetDistances(airports, relations);
ListGraph <Airport> grafo = new MatrixGraph <Airport> {
EdgesMatrix = distances, NodeDataList = airports
}.GenerateListGraphFromMatrixGraph();
Console.WriteLine("\n\n\n\n//////////////////////////////////GRAFO RYANAIR//////////////////////////////////\n\n");
Node <Airport> inicioRyan = grafo.NodeList.Find(f => f.Element.Id == 73);
grafo.RUNALL(grafo, inicioRyan, 21);
Console.ReadLine();
}
public ListGraph <T> GenerateListGraphFromMatrixGraph()
{
ListGraph <T> listGraph = null;
if (NodeDataList != null && EdgesMatrix != null)
{
listGraph = new ListGraph <T>();
for (int i = 0; i < NodeDataList.Count; i++)
{
listGraph.NodeList.Add(new Node <T> {
Element = NodeDataList[i]
});
}
for (int i = 0; i < NodeDataList.Count; i++)
{
for (int j = 0; j < EdgesMatrix.GetLength(0); j++)
{
if (EdgesMatrix[j, i] != null && EdgesMatrix[j, i] != 0)//CORREGIR ARCHIVO DE DISTANCIAS
{
listGraph.NodeList[i].ElementList.Add(new NodeRelation <T> {
Node = listGraph.NodeList[j], Edge = (double)EdgesMatrix[j, i]
});
}
}
}
}
return(listGraph);
}
public static void printPartition(int[] partition, ListGraph graph) {
Console.Write("Partition 1: ");
for (int count = 0; count < partition.Length; count++)
if (partition[count] == 1)
Console.Write(graph[count] + " ");
Console.Write("\nPartition 2: ");
for (int count = 0; count < partition.Length; count++)
if (partition[count] == 2)
Console.Write(graph[count] + " ");
Console.WriteLine();
}
public static Dictionary <int, int> GIS(ListGraph graph)
{
var verticesColors = new Dictionary <int, int>();
var notColoredVertices = graph.Nodes;
var adjacentVerticesColors = Enumerable.Range(0, notColoredVertices.Count).ToDictionary(k => k, v => new List <int>());
var color = 1;
while (notColoredVertices.Count != 0)
{
var available = GetVerticesToColor(notColoredVertices, adjacentVerticesColors, color);
var availableDegrees = Enumerable.Range(0, available.Count).ToDictionary(k => available[k], v => graph.Nodes[v].GetDegree());
while (available.Count != 0)
{
var minimum = availableDegrees.Aggregate((l, r) => l.Value < r.Value ? l : r);
var minVertex = minimum.Key;
var degree = minimum.Value;
if (!adjacentVerticesColors[minVertex.Number].Contains(color))
{
verticesColors[minVertex.Number] = color;
notColoredVertices.Remove(minVertex);
foreach (var neighbor in minVertex.Neighbors)
{
adjacentVerticesColors[neighbor.Number].Add(color);
if (available.Contains(neighbor))
{
available.Remove(neighbor);
availableDegrees.Remove(neighbor);
foreach (var neig in neighbor.Neighbors)
{
availableDegrees[neig]--;
}
}
graph.RemoveDoubleEdge(new List <Node>()
{
neighbor, minVertex
});
}
}
availableDegrees.Remove(minVertex);
available.Remove(minVertex);
}
color++;
}
return(verticesColors);
}
static void Main(string[] args)
{
int V = 4;
ListGraph graph = new ListGraph(V);
graph.addEdgeAtEnd(0, 1, 0);
graph.addEdgeAtEnd(0, 4, 0);
graph.addEdgeAtEnd(1, 2, 0);
graph.addEdgeAtEnd(1, 3, 0);
graph.addEdgeAtEnd(1, 4, 0);
graph.addEdgeAtEnd(2, 3, 0);
graph.addEdgeAtEnd(3, 4, 0);
graph.printAdjList();
}
public static HashSet <Vertex> DepthFirstTraversal(ListGraph graph, Vertex root)
{
HashSet <Vertex> visited = new HashSet <Vertex>();
Stack <Vertex> stack = new Stack <Vertex>();
stack.Push(root);
while (stack.Count > 0)
{
Vertex vertex = stack.Pop();
if (!visited.Contains(vertex))
{
visited.Add(vertex);
foreach (var adjacent in graph.GetAdjacentVertices(vertex))
{
stack.Push(adjacent);
}
}
}
return(visited);
}
public static HashSet <Vertex> BreadthFirstTraversal(ListGraph graph, Vertex root)
{
HashSet <Vertex> visited = new HashSet <Vertex>();
Queue <Vertex> queue = new Queue <Vertex>();
visited.Add(root);
queue.Enqueue(root);
while (queue.Count > 0)
{
Vertex vertex = queue.Dequeue();
foreach (var adjacent in graph.GetAdjacentVertices(vertex))
{
if (!visited.Contains(adjacent))
{
visited.Add(adjacent);
queue.Enqueue(adjacent);
}
}
}
return(visited);
}
const string FOLDER = "Graphs/"; //Path to the txt files that contain adjacency lists
static void Main(string[] args) {
string userIn;
int data = -1;
Console.WriteLine("Enter a number to test a class...\n" +
"1. ListGraph \n" +
"2. MarkovChain \n" +
"3. BipartiteGraph \n");
try {
userIn = Console.ReadLine();
data = Int32.Parse(userIn);
}
catch (Exception) {
Console.WriteLine("Not a valid integer. Ending Program\n");
}
switch (data) {
case 1: //ListGraph
ListGraph ports = new ListGraph(FOLDER + "airport.txt");
Console.WriteLine("Printing List...");
Console.WriteLine(ports + "\n"); //Inital print
ports.addNode("LON");
ports.addEdge("LON", "MOB", 132);
ports.addEdge("MOB", "LON", 132);
Console.WriteLine("Printing Depth-Search and Breath-Search...");
ports.depthSearchPrint("LON");
ports.breathSearchPrint("LON"); //Print of the graph with a new node
Console.WriteLine();
ports.removeNode("DFW");
Console.WriteLine("DFW Removed. Printing List...\n" + ports + "\n"); //New Print with DFW removed
ports.depthSearchPrint("MOB"); //Follow two calls show that the list split into multiple graphs
ports.breathSearchPrint("MOB");
Console.WriteLine();
ports.addEdge("MOB", "MSY", 111);
ports.addEdge("MOB", "OKC", 222);
ports.addEdge("MOB", "SHV", 333);
ports.addEdge("MOB", "LIT", 444);
ports.addEdge("MOB", "SAT", 555);
ports.addEdge("MOB", "SFO", 777);
Console.WriteLine("Printing Modified Graph in Depth-Seach, Breath-Search and Adj List...");
ports.depthSearchPrint("MOB");
ports.breathSearchPrint("MOB"); //Print of the graph reconnected into one graph
ports.removeEdge("AUS", "SAT");
Console.WriteLine(ports + "\n");
/*Display nodes by traversing Array */
for (int count = 0; count < ports.length; count++)
Console.Write(ports[count] + " ");
Console.WriteLine();
break;
case 2:
ListMarkovChain graph = new ListMarkovChain(FOLDER + "Diagonal.txt");
Console.WriteLine(graph);
double[,] moveResult = graph.move(3);
double[] inital = { .5, .5 };
double[] result = graph.calculateProbability(inital, 3);
for (int row = 0; row < moveResult.GetLength(1); row++) {
for (int col = 0; col < moveResult.GetLength(1); col++)
Console.Write(moveResult[row, col] + " ");
Console.WriteLine();
}
Console.WriteLine();
for (int count = 0; count < result.Length; count++)
Console.Write(result[count] + " ");
Console.WriteLine();
break;
case 3:
/* Graph that represents a square*/
ListGraph checkGraph = new ListGraph(FOLDER + "SquareGraph.txt");
Console.WriteLine("Square Graph");
int[] partition = Bipartitism.BipartiteGraph.getBipartition(checkGraph);
printPartition(partition, checkGraph);
if (Bipartitism.BipartiteGraph.isBipartite(checkGraph))
Console.WriteLine("Graph is bipartite.");
else
Console.WriteLine("Graph is not bipartite");
Console.WriteLine();
/*Graph that represents a prism */
checkGraph = new ListGraph(FOLDER + "Prism.txt");
Console.WriteLine("Prism Graph");
partition = Bipartitism.BipartiteGraph.getBipartition(checkGraph);
printPartition(partition, checkGraph);
if (Bipartitism.BipartiteGraph.isBipartite(checkGraph))
Console.WriteLine("Graph is bipartite.");
else
Console.WriteLine("Graph is not bipartite");
Console.WriteLine();
/*Graph that represents a cube */
checkGraph = new ListGraph(FOLDER + "Cube.txt");
Console.WriteLine("Cube Graph");
partition = Bipartitism.BipartiteGraph.getBipartition(checkGraph);
printPartition(partition, checkGraph);
if (Bipartitism.BipartiteGraph.isBipartite(checkGraph))
Console.WriteLine("Graph is bipartite.");
else
Console.WriteLine("Graph is not bipartite");
Console.WriteLine();
/*Graph that represents a star */
checkGraph = new ListGraph(FOLDER + "Star.txt");
partition = Bipartitism.BipartiteGraph.getBipartition(checkGraph);
Console.WriteLine("Star Graph");
printPartition(partition, checkGraph);
if (Bipartitism.BipartiteGraph.isBipartite(checkGraph))
Console.WriteLine("Graph is bipartite.");
else
Console.WriteLine("Graph is not bipartite");
Console.WriteLine();
/*Graph that represents a directional graph that returns to start at the end point */
checkGraph = new ListGraph(FOLDER + "LineGraph.txt");
Console.WriteLine("Directional Line Graph");
partition = Bipartitism.BipartiteGraph.getBipartition(checkGraph);
printPartition(partition, checkGraph);
if (Bipartitism.BipartiteGraph.isBipartite(checkGraph))
Console.WriteLine("Graph is bipartite.");
else
Console.WriteLine("Graph is not bipartite");
Console.WriteLine();
/*Graph that represents 2 connected squares */
checkGraph = new ListGraph(FOLDER + "ConnectedSquares.txt");
Console.WriteLine("2 Connected Squares Graph");
partition = Bipartitism.BipartiteGraph.getBipartition(checkGraph);
printPartition(partition, checkGraph);
if (Bipartitism.BipartiteGraph.isBipartite(checkGraph))
Console.WriteLine("Graph is bipartite.");
else
Console.WriteLine("Graph is not bipartite");
Console.WriteLine();
/*Graph that represents Binary Tree */
checkGraph = new ListGraph(FOLDER + "BinaryTree.txt");
Console.WriteLine("Binary Tree");
partition = Bipartitism.BipartiteGraph.getBipartition(checkGraph);
printPartition(partition, checkGraph);
if (Bipartitism.BipartiteGraph.isBipartite(checkGraph))
Console.WriteLine("Graph is bipartite.");
else
Console.WriteLine("Graph is not bipartite");
Console.WriteLine();
/*Graph that represents a directional hourglass */
checkGraph = new ListGraph(FOLDER + "DirHourglass.txt");
Console.WriteLine("Directional Hourglass Graph");
partition = Bipartitism.BipartiteGraph.getBipartition(checkGraph);
printPartition(partition, checkGraph);
if (Bipartitism.BipartiteGraph.isBipartite(checkGraph))
Console.WriteLine("Graph is bipartite.");
else
Console.WriteLine("Graph is not bipartite");
Console.WriteLine();
/*Graph that represents an empty graph */
checkGraph = new ListGraph(FOLDER + "SingleLoop.txt");
Console.WriteLine("One node that loops Graph");
partition = Bipartitism.BipartiteGraph.getBipartition(checkGraph);
printPartition(partition, checkGraph);
if (Bipartitism.BipartiteGraph.isBipartite(checkGraph))
Console.WriteLine("Graph is bipartite.");
else
Console.WriteLine("Graph is not bipartite");
Console.WriteLine();
/*Graph that represents an empty graph */
checkGraph = new ListGraph();
Console.WriteLine("Empty Graph");
partition = Bipartitism.BipartiteGraph.getBipartition(checkGraph);
printPartition(partition, checkGraph);
if (Bipartitism.BipartiteGraph.isBipartite(checkGraph))
Console.WriteLine("Graph is bipartite.");
else
Console.WriteLine("Graph is not bipartite");
Console.WriteLine();
break;
}
}
//////////////////////////////////RUNING SEARCH ALGORITHMS+ grafo {Graph.ListGraph<Graph.Airport>} Graph.ListGraph<Graph.Airport>
public static void RUNING_ALGORITHMS_ROBOT(ListGraph <MapElement> graph, Node <MapElement> inicio)
{
if (inicio != null)
{
}
}
public static ListGraph <MapElement> BooleanMapToGraph(bool[,] map)
{
int x = map.GetLength(0);
int y = map.GetLength(1);
int id = 0;
ListGraph <MapElement> grafo = new ListGraph <MapElement>();
for (int i = 0; i < y; i++)
{
for (int j = 0; j < x; j++)
{
if (map[j, i])
{
MapElement auxNode = new MapElement {
Id = id, x = j, y = i
};
grafo.NodeList.Add(new Node <MapElement> {
Element = auxNode, ElementList = new List <NodeRelation <MapElement> >()
});
}
else
{
grafo.NodeList.Add(null);
}
id++;
}
}
for (int i = 0; i < grafo.NodeList.Count; i++)
{
if (grafo.NodeList[i] == null)
{
continue;
}
if (i > 0 && i % x > 0)
{
if (grafo.NodeList[i - 1] != null)
{
grafo.NodeList[i].ElementList.Add(new NodeRelation <MapElement> {
Node = grafo.NodeList[i - 1], Edge = 1
});
}
}
if (i + 1 < grafo.NodeList.Count && (i + 1) % x > 0)
{
if (grafo.NodeList[i + 1] != null)
{
grafo.NodeList[i].ElementList.Add(new NodeRelation <MapElement> {
Node = grafo.NodeList[i + 1], Edge = 1
});
}
}
if (i + x < grafo.NodeList.Count)
{
if (grafo.NodeList[i + x] != null)
{
grafo.NodeList[i].ElementList.Add(new NodeRelation <MapElement> {
Node = grafo.NodeList[i + x], Edge = 1
});
}
}
if (i - x > 0)
{
if (grafo.NodeList[i - x] != null)
{
grafo.NodeList[i].ElementList.Add(new NodeRelation <MapElement> {
Node = grafo.NodeList[i - x], Edge = 1
});
}
}
}
int k = 0;
while (k < grafo.NodeList.Count)
{
if (grafo.NodeList[k] == null || grafo.NodeList[k].Element == null)
{
grafo.NodeList.RemoveAt(k);
}
else
{
k++;
}
}
return(grafo);
}
public void RUNALL(ListGraph <T> grafo1, Node <T> inicio, int destinationId)
{
List <Node <T> > deptProcessed = null;
List <Node <T> > ampProcessed = null;
Node <T> resultdept = grafo1.DepthSearchById(inicio, destinationId, null, ref deptProcessed);
Node <T> resultamp = grafo1.AmplitudeSearchById(inicio, destinationId, null, ref ampProcessed);
if (deptProcessed != null)
{
Console.WriteLine("\nDEPTH: ");
foreach (Node <T> item in deptProcessed)
{
Console.Write(item.Element.Id + ", ");
}
//Console.WriteLine("Recorrido final: ");
//Node<T> aux = resultdept;
//while (aux.SeachLbl.PreviousNode != null)
//{
// Console.WriteLine(aux.Element.Id + ", ");
// aux = aux.SeachLbl.PreviousNode;
//}
}
if (ampProcessed != null)
{
Console.WriteLine("\nAmplitude: ");
foreach (Node <T> item in ampProcessed)
{
Console.Write(item.Element.Id + ", ");
}
//Console.WriteLine("Recorrido final: ");
//Node<T> aux = resultamp;
//while (aux.SeachLbl.PreviousNode != null)
//{
// Console.WriteLine(aux.Element.Id + ", ");
// aux = aux.SeachLbl.PreviousNode;
//}
}
List <Node <T> > limitedDepthProcessed = null;
List <Node <T> > IterativeDepthProcessed = null;
Node <T> resultLimitedDepth = grafo1.LimitedDepthSearchById(5, inicio, destinationId, null, ref limitedDepthProcessed);
Node <T> resultIterativeDepth = grafo1.IterativeDepthSearchById(3, 1, inicio, destinationId, null, ref IterativeDepthProcessed);
if (limitedDepthProcessed != null && resultLimitedDepth != null)
{
Console.WriteLine("\nLimited: ");
foreach (Node <T> item in limitedDepthProcessed)
{
Console.Write(item.Element.Id + ", ");
}
//Console.WriteLine("Recorrido final: ");
//Node<T> aux = resultLimitedDepth;
//while (aux.SeachLbl.PreviousNode != null)
//{
// Console.WriteLine(aux.Element.Id + ", ");
// aux = aux.SeachLbl.PreviousNode;
//}
}
else
{
Console.WriteLine("\nNo fue encontrado por búsqueda limitada por profundidad 5");
}
if (IterativeDepthProcessed != null && resultIterativeDepth != null)
{
Console.WriteLine("\nIterative: ");
foreach (Node <T> item in IterativeDepthProcessed)
{
Console.Write(item.Element.Id + ", ");
}
//Console.WriteLine("Recorrido final: ");
//Node<T> aux = resultIterativeDepth;
//while (aux.SeachLbl.PreviousNode != null)
//{
// Console.WriteLine(aux.Element.Id + ", ");
// aux = aux.SeachLbl.PreviousNode;
//}
}
List <Node <T> > memoryClimbingProcessed = null;
List <Node <T> > bestFirstProcessed = null;
Node <T> destination = grafo1.NodeList.Find(f => f.Element.Id == destinationId);
Node <T> resultClimbingM = grafo1.MemoryHillClimbingSearchByElement(inicio, destination.Element, null, ref memoryClimbingProcessed);
Node <T> resultBestFirst = grafo1.BestFirstSearchById(inicio, destinationId, null, ref bestFirstProcessed);
if (memoryClimbingProcessed != null && resultClimbingM != null)
{
Console.WriteLine("\nSubida de la colina con memoria: ");
foreach (Node <T> item in memoryClimbingProcessed)
{
Console.Write(item.Element.Id + ", ");
}
//Console.WriteLine("Recorrido final: ");
//Node<T> aux = resultClimbingM;
//while (aux.SeachLbl.PreviousNode != null)
//{
// Console.WriteLine(aux.Element.Id + ", ");
// aux = aux.SeachLbl.PreviousNode;
//}
}
else
{
Console.WriteLine("\nNo fue encontrado por búsqueda subida de la colina con memoria");
}
if (bestFirstProcessed != null && resultBestFirst != null)
{
Console.WriteLine("\nprimero el mejor: ");
foreach (Node <T> item in bestFirstProcessed)
{
Console.Write(item.Element.Id + ", ");
}
//Console.WriteLine("Recorrido final: ");
//Node<T> aux = resultBestFirst;
//while (aux.SeachLbl.PreviousNode != null)
//{
// Console.WriteLine(aux.Element.Id + ", ");
// aux = aux.SeachLbl.PreviousNode;
//}
}
else
{
Console.WriteLine("\nNo fue encontrado por búsqueda mejor el primero");
}
List <Node <T> > climbingProcessed = null;
List <Node <T> > dijkstraProcessed = null;
Node <T> resultClimbing = grafo1.HillClimbingSearchByElement(inicio, destination.Element, null, ref climbingProcessed);
Node <T> resultDijkstra = grafo1.UniformCostSearchById(inicio, destinationId, null, ref dijkstraProcessed);
if (climbingProcessed != null && resultClimbing != null)
{
Console.WriteLine("\nClimbing sin memoria: ");
foreach (Node <T> item in climbingProcessed)
{
Console.Write(item.Element.Id + ", ");
}
//Console.WriteLine("Recorrido final: ");
//Node<T> aux = resultClimbing;
//while (aux.SeachLbl.PreviousNode != null)
//{
// Console.WriteLine(aux.Element.Id + ", ");
// aux = aux.SeachLbl.PreviousNode;
//}
}
else
{
Console.WriteLine("\nNo fue encontrado por búsqueda subida de la colina SIN memoria");
}
if (dijkstraProcessed != null && resultDijkstra != null)
{
Console.WriteLine("\nDIJKSTRA: ");
foreach (Node <T> item in dijkstraProcessed)
{
Console.Write(item.Element.Id + ", ");
}
//Console.WriteLine("Recorrido final: ");
//Node<T> aux = resultDijkstra;
//while (aux.SeachLbl.PreviousNode != null)
//{
// Console.WriteLine(aux.Element.Id + ", ");
// aux = aux.SeachLbl.PreviousNode;
//}
}
else
{
Console.WriteLine("\nNo fue encontrado por DIJKSTRA");
}
List <Node <T> > AEstrellaProcessed = null;
Node <T> resultAEstrella = grafo1.AStartSearchByElement(inicio, destination.Element, null, ref AEstrellaProcessed);
if (AEstrellaProcessed != null && resultAEstrella != null)
{
Console.WriteLine("\nA* busqueda **********************: ");
foreach (Node <T> item in AEstrellaProcessed)
{
Console.Write(item.Element.Id + ", ");
}
//Console.WriteLine("Recorrido final: ");
//Node<T> aux = resultAEstrella;
//while (aux.SeachLbl.PreviousNode != null)
//{
// Console.WriteLine(aux.Element.Id + ", ");
// aux = aux.SeachLbl.PreviousNode;
//}
}
else
{
Console.WriteLine("\nNo fue encontrado por búsqueda A*");
}
}