private static void SolveNQueens(IFringe <Node <byte[]> > fringe, int problemSize)
{
Console.WriteLine("{0} queens problem", problemSize);
var nQueens = new NQueens(problemSize);
var watch = System.Diagnostics.Stopwatch.StartNew();
var node = TreeSearchWithQueue <byte[]> .Search(nQueens, fringe);
watch.Stop();
if (node == null)
{
Console.WriteLine("Solution not found");
}
else
{
Console.WriteLine("Solution:");
PrintTable(node.NodeState);
var trace = node.ListOfNodes;
Console.WriteLine("Number of steps: " + trace.Count);
}
var elapsedMs = watch.ElapsedMilliseconds;
Console.WriteLine("\nUsed fringe: " + fringe.GetName());
Console.WriteLine("Time elapsed [ms]: " + elapsedMs);
Console.WriteLine(new String('-', 40));
Console.WriteLine("\n");
}
private static void SolveProblems()
{
#region Cities initialization
#region Cities initialization
var Oradea = new City("Oradea", new Point(15, 59));
var Zerind = new City("Zerind", new Point(11, 51));
var Arad = new City("Arad", new Point(7, 43));
var Timisoara = new City("Timisoara", new Point(8, 29));
var Lugoj = new City("Lugoj", new Point(21, 23));
var Mehadia = new City("Mehadia", new Point(21, 15));
var Drobeta = new City("Drobeta", new Point(21, 7));
var Sibiu = new City("Sibiu", new Point(29, 37));
var Rimnicu = new City("Rimnicu Vilcea", new Point(33, 29));
var Craiova = new City("Craiova", new Point(37, 5));
var Fagaras = new City("Fagaras", new Point(47, 36));
var Pitesti = new City("Pitesti", new Point(50, 20));
var Giurgiu = new City("Giurgiu", new Point(60, 2));
var Bucharest = new City("Bucharest", new Point(65, 13));
var Neamt = new City("Neamt", new Point(66, 52));
var Urziceni = new City("Urziceni", new Point(75, 17));
var Iasi = new City("Iasi", new Point(78, 47));
var Vaslui = new City("Vaslui", new Point(85, 35));
var Hirsova = new City("Hirsova", new Point(89, 17));
var Eforie = new City("Eforie", new Point(95, 7));
#endregion
#region Adding neighbours
Oradea.AddNeighbour(Zerind, 71);
Oradea.AddNeighbour(Sibiu, 151);
Zerind.AddNeighbour(Oradea, 71);
Zerind.AddNeighbour(Arad, 75);
Arad.AddNeighbour(Zerind, 75);
Arad.AddNeighbour(Sibiu, 140);
Arad.AddNeighbour(Timisoara, 118);
Timisoara.AddNeighbour(Arad, 118);
Timisoara.AddNeighbour(Lugoj, 111);
Lugoj.AddNeighbour(Timisoara, 111);
Lugoj.AddNeighbour(Mehadia, 70);
Mehadia.AddNeighbour(Lugoj, 70);
Mehadia.AddNeighbour(Drobeta, 75);
Drobeta.AddNeighbour(Mehadia, 75);
Drobeta.AddNeighbour(Craiova, 120);
Sibiu.AddNeighbour(Arad, 140);
Sibiu.AddNeighbour(Oradea, 151);
Sibiu.AddNeighbour(Fagaras, 99);
Sibiu.AddNeighbour(Rimnicu, 80);
Rimnicu.AddNeighbour(Sibiu, 80);
Rimnicu.AddNeighbour(Pitesti, 97);
Rimnicu.AddNeighbour(Craiova, 146);
Craiova.AddNeighbour(Drobeta, 120);
Craiova.AddNeighbour(Rimnicu, 146);
Craiova.AddNeighbour(Pitesti, 138);
Fagaras.AddNeighbour(Sibiu, 99);
Fagaras.AddNeighbour(Bucharest, 211);
Pitesti.AddNeighbour(Rimnicu, 97);
Pitesti.AddNeighbour(Bucharest, 101);
Pitesti.AddNeighbour(Craiova, 138);
Giurgiu.AddNeighbour(Bucharest, 90);
Bucharest.AddNeighbour(Pitesti, 101);
Bucharest.AddNeighbour(Fagaras, 211);
Bucharest.AddNeighbour(Urziceni, 85);
Bucharest.AddNeighbour(Giurgiu, 90);
Neamt.AddNeighbour(Iasi, 87);
Urziceni.AddNeighbour(Bucharest, 85);
Urziceni.AddNeighbour(Vaslui, 142);
Urziceni.AddNeighbour(Hirsova, 98);
Iasi.AddNeighbour(Neamt, 87);
Iasi.AddNeighbour(Vaslui, 92);
Vaslui.AddNeighbour(Iasi, 92);
Vaslui.AddNeighbour(Urziceni, 142);
Hirsova.AddNeighbour(Urziceni, 98);
Hirsova.AddNeighbour(Eforie, 86);
Eforie.AddNeighbour(Hirsova, 86);
#endregion
List <City> cities = new List <City>
{
Oradea, Zerind, Arad, Timisoara, Lugoj, Mehadia, Drobeta, Sibiu, Rimnicu, Craiova, Fagaras, Pitesti, Giurgiu, Bucharest, Neamt, Urziceni, Iasi, Vaslui, Hirsova, Eforie
};
#endregion
var przesuwankaInitial = Przesuwanka.MakeInitialState(3);
SolveProblem <byte[, ]>(String.Format("Przesuwanka {0} x {0}", przesuwankaInitial.GetLength(0)), new Przesuwanka(przesuwankaInitial), PrintTable);
var queensInitial = NQueens.MakeInitialState(8);
SolveProblem <byte[]>(String.Format("{0} queens problem", queensInitial.Length), new NQueens(queensInitial), PrintTable);
SolveProblem <City>("Romania map problem", new RomaniaMap(Arad, Bucharest, cities), city => Console.WriteLine(city.Name), PrintTrace);
}