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c#minimum-spanning-treequickgraph

Minimum Spanning Tree quick graph


I want to find the minimum spanning tree of the following graph using quick graph. I Went through the manual provided but I don't really understand how to do it. Here is my code:

 static void Main(string[] args)
        {

        var g = new UndirectedGraph<int, TaggedUndirectedEdge<int,int>>();

        var e1 = new TaggedUndirectedEdge<int, int>(1, 2, 57);
        var e2 = new TaggedUndirectedEdge<int, int>(1, 4, 65);
        var e3 = new TaggedUndirectedEdge<int, int>(2, 3, 500);
        var e4 = new TaggedUndirectedEdge<int, int>(2, 4, 1);
        var e5 = new TaggedUndirectedEdge<int, int>(3, 4, 78);
        var e6 = new TaggedUndirectedEdge<int, int>(3, 5, 200);

        g.AddVerticesAndEdge(e1);
        g.AddVerticesAndEdge(e2);
        g.AddVerticesAndEdge(e3);
        g.AddVerticesAndEdge(e4);
        g.AddVerticesAndEdge(e5);
        g.AddVerticesAndEdge(e6);

        foreach (var v in g.Edges)
            Console.WriteLine(v);
}

Thank you for your help.


Solution

  • @daryal beat me to it - my version is:

    var mst = g.MinimumSpanningTreePrim(e => e.Tag).ToList();  
    

    enter image description here

    "Use the source Luke" - I looked at MinimumSpanningTreeTest.cs, test Prim12273

    (Also you could look at this question on Lambda's / Delegates for a better understanding of basic function pointers)