private void ColorNodes(List<Node> orderedNodes)
{
orderedNodes.ForEach(x => x.Color = 0);
var queue = new Queue<Node>();
orderedNodes.ForEach(queue.Enqueue);
var bfsColorizer = new BfsGraphColorizer();
bfsColorizer.Color(queue, orderedNodes);
}
public void ColoringTest()
{
//http://en.wikipedia.org/wiki/File:4CT_Non-Counterexample_1.svg
var states = new Graph();
states.AddNode("9");
states.AddNode("1");
states.AddNode("2");
states.AddNode("3");
states.AddNode("4");
states.AddNode("5");
states.AddNode("6");
states.AddNode("7");
states.AddNode("8");
//TODO: add all states
states["1"].AddEdge(states["2"]);
states["1"].AddEdge(states["3"]);
states["1"].AddEdge(states["4"]);
states["1"].AddEdge(states["5"]);
states["2"].AddEdge(states["3"]);
states["2"].AddEdge(states["5"]);
states["2"].AddEdge(states["6"]);
states["2"].AddEdge(states["9"]);
states["3"].AddEdge(states["4"]);
states["3"].AddEdge(states["6"]);
states["3"].AddEdge(states["7"]);
states["4"].AddEdge(states["5"]);
states["4"].AddEdge(states["7"]);
states["4"].AddEdge(states["8"]);
states["5"].AddEdge(states["8"]);
states["5"].AddEdge(states["9"]);
states["6"].AddEdge(states["7"]);
states["6"].AddEdge(states["9"]);
states["7"].AddEdge(states["8"]);
states["8"].AddEdge(states["9"]);
//TODO: add all edges for adjacent states
var bfsGraphColorizer = new BfsGraphColorizer();
bfsGraphColorizer.Color(states.Values);
Debug.Print("Using BFS algorithm:");
foreach (var state in states)
Debug.Print("{0}: {1}", state.Key, state.Value.Color);
var bruteForceGraphColorizer = new BruteForceGraphColorizer();
bruteForceGraphColorizer.Color(states);
Debug.Print("Using Brute Force algorithm:");
foreach (var state in states)
Debug.Print("{0}: {1}", state.Key, state.Value.Color);
}