public static void KurskalsAlg(GraphKruskal gk)
{
List<Edge> edges = gk.Edges.OrderBy(o => o.cost).ToList<Edge>(); //sort edges by weight/cost
GraphKruskal mstGraph = new GraphKruskal();
HashSet<int> verticesInMST = new HashSet<int>();
int[] parent = new int[gk.Vertices.Count];
for (int i = 0; i < parent.Length; i++)
parent[i] = -1;
foreach (Edge e in edges)
{
if(!(verticesInMST.Contains(e.v1) && verticesInMST.Contains(e.v2)))
{
mstGraph.AddEdge(e.v1, e.v2, e.cost);
if (!verticesInMST.Contains(e.v1))
verticesInMST.Add(e.v1);
if (!verticesInMST.Contains(e.v2))
verticesInMST.Add(e.v2);
}
}
}
private static void buildgraph(GraphKruskal gk)
{
gk.AddEdge(0, 1, 4);
gk.AddEdge(0, 7, 8);
gk.AddEdge(1, 7, 11);
gk.AddEdge(1, 2, 8);
gk.AddEdge(7, 8, 7);
gk.AddEdge(7, 6, 1);
gk.AddEdge(6, 8, 6);
gk.AddEdge(6, 5, 2);
gk.AddEdge(2, 8, 2);
gk.AddEdge(2, 3, 7);
gk.AddEdge(2, 5, 4);
gk.AddEdge(5, 4, 10);
gk.AddEdge(5, 3, 14);
gk.AddEdge(3, 4, 9);
}