Beispiel #1
0
        public static void Main(string[] args)
        {
            Dictionary <int, string> map = new Dictionary <int, string>();

            map.Add(0, "S");
            map.Add(1, "T");
            map.Add(2, "X");
            map.Add(3, "Y");
            map.Add(4, "Z");
            //map.Add(5, "F");
            //map.Add(6, "G");
            //map.Add(7, "H");

            //GraphAdjList mainGraph = new GraphAdjList(7);
            //mainGraph.addEdge(0, 6);
            //mainGraph.addEdge(0, 1);
            //mainGraph.addEdge(0, 2);
            //mainGraph.addEdge(0, 3);

            //mainGraph.addEdge(1, 6);
            //mainGraph.addEdge(1, 0);
            //mainGraph.addEdge(1, 2);
            //mainGraph.addEdge(1, 5);

            //mainGraph.addEdge(2, 6);
            //mainGraph.addEdge(2, 0);
            //mainGraph.addEdge(2, 1);
            //mainGraph.addEdge(2, 4);

            //mainGraph.addEdge(3, 0);

            //mainGraph.addEdge(4, 2);
            //mainGraph.addEdge(5, 1);

            //mainGraph.addEdge(6, 1);
            //mainGraph.addEdge(6, 2);
            //mainGraph.addEdge(6, 5);
            //mainGraph.addEdge(6, 0);

            int          numberOfVertices = 5;
            GraphAdjList mainGraph        = new GraphAdjList(numberOfVertices);

            //mainGraph.addEdge(0, 1, 0, false);

            //mainGraph.addEdge(1, 4, 0, false);
            //mainGraph.addEdge(1, 5, 0, false);

            //mainGraph.addEdge(2, 6, 0, false);
            //mainGraph.addEdge(2, 3, 0, false);

            //mainGraph.addEdge(3, 2, 0, false);
            //mainGraph.addEdge(3, 7, 0, false);

            //mainGraph.addEdge(4, 0, 0, false);
            //mainGraph.addEdge(4, 5, 0, false);

            //mainGraph.addEdge(5, 6, 0, false);

            //mainGraph.addEdge(6, 7, 0, false);
            //mainGraph.addEdge(6, 5, 0, false);

            //mainGraph.addEdge(7, 7, 0, false);

            //GraphAdjList transposeGraph = new GraphAdjList(numberOfVertices);
            //for (int i = 0; i < numberOfVertices; i++)
            //{
            //	foreach (var j in mainGraph.getAdj(i))
            //	{
            //		transposeGraph.addEdge(j.Item1, i, j.Item2, false);
            //	}
            //}

            //int queryIndex = 1;
            //Console.WriteLine(map[queryIndex] + "'s Friends : ");
            //List<int> friends = mainGraph.getAdj(queryIndex);

            //foreach (var v in friends)
            //	Console.WriteLine("\n" + map[v]);

            //BFS oBFS = new BFS();
            //Console.WriteLine("\n\nstart vertex : AB, BFS is : ");
            //oBFS.computeBFS(mainGraph, numberOfVertices, 0, map);

            //Console.WriteLine("\n\nstart vertex : SRP, BFS is : ");
            //oBFS.computeBFS(mainGraph, numberOfVertices, 5, map);

            //mainGraph.addEdge(0, 1, 4, false);
            //mainGraph.addEdge(0, 7, 8, false);

            //mainGraph.addEdge(1, 7, 11, false);
            //mainGraph.addEdge(1, 2, 8, false);

            //mainGraph.addEdge(2, 1, 8, false);
            //mainGraph.addEdge(2, 3, 7, false);
            //mainGraph.addEdge(2, 5, 4, false);
            //mainGraph.addEdge(2, 8, 2, false);

            //mainGraph.addEdge(3, 2, 7, false);
            //mainGraph.addEdge(3, 4, 9, false);
            //mainGraph.addEdge(3, 5, 14, false);

            //mainGraph.addEdge(4, 3, 9, false);
            //mainGraph.addEdge(4, 5, 10, false);

            //mainGraph.addEdge(5, 2, 4, false);
            //mainGraph.addEdge(5, 3, 14, false);
            //mainGraph.addEdge(5, 4, 10, false);
            //mainGraph.addEdge(5, 6, 2, false);

            //mainGraph.addEdge(6, 5, 2, false);
            //mainGraph.addEdge(6, 7, 1, false);
            //mainGraph.addEdge(6, 8, 6, false);

            //mainGraph.addEdge(7, 0, 8, false);
            //mainGraph.addEdge(7, 1, 11, false);
            //mainGraph.addEdge(7, 6, 1, false);
            //mainGraph.addEdge(7, 8, 7, false);

            //mainGraph.addEdge(8, 2, 2, false);
            //mainGraph.addEdge(8, 6, 6, false);
            //mainGraph.addEdge(8, 7, 7, false);

            //Kruskal oKruskal = new Kruskal();
            //oKruskal.computeMST(mainGraph, numberOfVertices);

            //Prim oPrim = new Prim(numberOfVertices);
            //oPrim.computeMST(mainGraph, 0);

            //DFS oDFS = new DFS();
            //oDFS.initializeArrays(numberOfVertices);
            //oDFS.computeDFS(mainGraph, numberOfVertices, map, false);
            //oDFS.printDFS(numberOfVertices);
            //oDFS.printTopologicallySorted();
            //oDFS.computeDFS(transposeGraph, numberOfVertices, map, true);

            // shortest paths graph

            //mainGraph.addEdge(0, 1, 10, true);
            //mainGraph.addEdge(0, 3, 5, true);

            //mainGraph.addEdge(1, 2, 1, true);
            //mainGraph.addEdge(1, 3, 2, true);

            //mainGraph.addEdge(2, 4, 4, true);

            //mainGraph.addEdge(3, 1, 3, true);
            //mainGraph.addEdge(3, 2, 9, true);
            //mainGraph.addEdge(3, 4, 2, true);

            //mainGraph.addEdge(4, 0, 7, true);
            //mainGraph.addEdge(4, 2, 6, true);

            //snake and ladder

            mainGraph.addEdge(0, 1, 1, true);
            mainGraph.addEdge(1, 2, 1, true);
            mainGraph.addEdge(2, 3, 1, true);
            mainGraph.addEdge(3, 4, 1, true);
            mainGraph.addEdge(4, 5, 1, true);
            mainGraph.addEdge(5, 6, 1, true);
            mainGraph.addEdge(6, 7, 1, true);
            mainGraph.addEdge(7, 8, 1, true);
            mainGraph.addEdge(8, 9, 1, true);
            mainGraph.addEdge(9, 10, 1, true);
            mainGraph.addEdge(10, 11, 1, true);
            mainGraph.addEdge(11, 12, 1, true);
            mainGraph.addEdge(12, 13, 1, true);
            mainGraph.addEdge(13, 14, 1, true);
            mainGraph.addEdge(14, 15, 1, true);
            mainGraph.addEdge(15, 16, 1, true);
            mainGraph.addEdge(16, 17, 1, true);
            mainGraph.addEdge(17, 18, 1, true);
            mainGraph.addEdge(18, 19, 1, true);
            mainGraph.addEdge(19, 20, 1, true);
            mainGraph.addEdge(20, 21, 1, true);
            mainGraph.addEdge(21, 22, 1, true);
            mainGraph.addEdge(22, 23, 1, true);
            mainGraph.addEdge(23, 24, 1, true);
            mainGraph.addEdge(24, 25, 1, true);
            mainGraph.addEdge(25, 26, 1, true);
            mainGraph.addEdge(26, 27, 1, true);
            mainGraph.addEdge(27, 28, 1, true);
            mainGraph.addEdge(28, 29, 1, true);

            mainGraph.addEdge(3, 22, 1, true);
            mainGraph.addEdge(5, 8, 1, true);
            mainGraph.addEdge(11, 26, 1, true);
            mainGraph.addEdge(20, 29, 1, true);
            mainGraph.addEdge(17, 4, 1, true);
            mainGraph.addEdge(19, 7, 1, true);
            mainGraph.addEdge(21, 9, 1, true);
            mainGraph.addEdge(27, 1, 1, true);


            Console.WriteLine("bellman ford : ");
            BellmanFord obf = new BellmanFord(numberOfVertices);

            obf.computeShortestPaths(mainGraph, 0);

            Console.WriteLine("dijkstra : ");
            Dijkstra oDij = new Dijkstra(numberOfVertices);

            oDij.computeShortestPaths(mainGraph, 0);
        }
 public void Init()
 {
     _graphBuilder = new DijkstraGraphBuilder("dijkstra_graph_02.txt");
     _graph = _graphBuilder.Build();
     _dijkstra = new Dijkstra(_graph);
 }