//While processing, when a complete path is found that touches all cities once, this method is called.
//If it's the best solution so far, we update our account of what the best path is.
public void ProposeSolution(float totalLength)
{
//Get the missing edge to connect the first and last nodes.
Edge finalEdge = TspSolver.FirstVertex.GetMissingEdge();
if (finalEdge != null)
{
//Update the total path length accordingly.
totalLength += finalEdge.Length;
//If it's a better solution than our best so far...
if (totalLength < TspSolver.MinPath)
{
finalEdge.IsIncluded = true;
TspSolver.MinPath = totalLength;
TspSolver.MinPathText = new StringBuilder();
//Build a text representation of the path that is ready for export to CSV.
foreach (Edge e in TspSolver.Edges)
{
if (e.IsIncluded)
{
TspSolver.MinPathText.AppendLine(e.ExportFriendlyPath);
}
}
finalEdge.IsIncluded = false;
//Write to file.
TspSolver.WriteSolutionToFile();
}
}
}
static void Main(string[] args)
{
//TspSolver solver = new TspSolver(@"../../../fifteen.txt", 1000, "fifteen");
//TspSolver solver = new TspSolver(@"../../../fifteen.txt", 5, "fifteen");
//TspSolver solver = new TspSolver(@"../../../wi29.tsp.txt", 5, "wsahara");
//TspSolver solver = new TspSolver(@"../../../qa194.tsp.txt", 2, "qatar");
TspSolver solver = new TspSolver(@"../../../uy734.tsp.txt", 4, "uruguay");
//TspSolver solver = new TspSolver(@"../../../nu3496.tsp.txt", 3, "oman");
//TspSolver solver = new TspSolver(@"../../../ja9847.tsp.txt", 3, "japan");
var solution = solver.Solve();
TspSolver.WriteSolutionToFile();
Console.WriteLine("BEST PATH");
Console.WriteLine(TspSolver.MinPathText);
Console.ReadLine();
}