private bool TryColoring(Vertex vertex)
{
foreach (var neighbour in vertex.AllNeighbours)
{
if (!vertexColors[neighbour.Id].HasValue)
{
vertexColors[neighbour.Id] = GetOther(vertexColors[vertex.Id].Value);
var reslut = TryColoring(neighbour);
if (reslut == false)
return false;
}
else if (vertexColors[vertex.Id] == vertexColors[neighbour.Id])
return false;
}
return true;
}
public void AddNeighbour(Vertex neighbour)
{
neighbours[neighbour.Id] = neighbour;
}
public void RemoveNeighbour(Vertex vertexToRemove)
{
if (neighbours.ContainsKey(vertexToRemove.Id))
neighbours.Remove(vertexToRemove.Id);
}
public void AddVertex(int id)
{
verticies[id] = new Vertex(id);
}
