private static string[,] SolveLabyrinth(string[,] labyrinth)
{
int startX = 0;
int startY = 0;
if (GetStartingPoint(labyrinth, out startX, out startY))
{
Queue <LabyrinthElement> queue = new Queue <LabyrinthElement>();
labyrinth[startX, startY] = "0";
LabyrinthElement element = new LabyrinthElement(startX, startY, int.Parse(labyrinth[startX, startY]));
queue.Enqueue(element);
while (queue.Count > 0)
{
LabyrinthElement newElement = new LabyrinthElement(queue.Dequeue());
labyrinth[newElement.X, newElement.Y] = newElement.Value.ToString();
newElement.Value++;
if (((newElement.X - 1) >= 0) &&
(labyrinth[newElement.X - 1, newElement.Y] == "0"))
{
LabyrinthElement firstElement = new LabyrinthElement(newElement.X - 1, newElement.Y, newElement.Value);
queue.Enqueue(firstElement);
}
if ((newElement.X + 1 < labyrinth.GetLength(0)) &&
(labyrinth[newElement.X + 1, newElement.Y] == "0"))
{
LabyrinthElement secondElement = new LabyrinthElement(newElement.X + 1, newElement.Y, newElement.Value);
queue.Enqueue(secondElement);
}
if ((newElement.Y - 1 >= 0) &&
(labyrinth[newElement.X, newElement.Y - 1] == "0"))
{
LabyrinthElement thirdElement = new LabyrinthElement(newElement.X, newElement.Y - 1, newElement.Value);
queue.Enqueue(thirdElement);
}
if ((newElement.Y + 1 < labyrinth.GetLength(1)) &&
(labyrinth[newElement.X, newElement.Y + 1] == "0"))
{
LabyrinthElement fourthElement = new LabyrinthElement(newElement.X, newElement.Y + 1, newElement.Value);
queue.Enqueue(fourthElement);
}
}
labyrinth[startX, startY] = "*";
FindUnreachableCells(labyrinth);
}
else
{
throw new ArgumentException("No entry point");
}
return(labyrinth);
}
private static string[,] SolveLabyrinth(string[,] labyrinth)
{
int startX = 0;
int startY = 0;
if (GetStartingPoint(labyrinth, out startX, out startY))
{
Queue<LabyrinthElement> queue = new Queue<LabyrinthElement>();
labyrinth[startX, startY] = "0";
LabyrinthElement element = new LabyrinthElement(startX, startY, int.Parse(labyrinth[startX, startY]));
queue.Enqueue(element);
while (queue.Count > 0)
{
LabyrinthElement newElement = new LabyrinthElement(queue.Dequeue());
labyrinth[newElement.X, newElement.Y] = newElement.Value.ToString();
newElement.Value++;
if (((newElement.X - 1) >= 0) &&
(labyrinth[newElement.X - 1, newElement.Y] == "0"))
{
LabyrinthElement firstElement = new LabyrinthElement(newElement.X - 1, newElement.Y, newElement.Value);
queue.Enqueue(firstElement);
}
if ((newElement.X + 1 < labyrinth.GetLength(0)) &&
(labyrinth[newElement.X + 1, newElement.Y] == "0"))
{
LabyrinthElement secondElement = new LabyrinthElement(newElement.X + 1, newElement.Y, newElement.Value);
queue.Enqueue(secondElement);
}
if ((newElement.Y - 1 >= 0) &&
(labyrinth[newElement.X, newElement.Y - 1] == "0"))
{
LabyrinthElement thirdElement = new LabyrinthElement(newElement.X, newElement.Y - 1, newElement.Value);
queue.Enqueue(thirdElement);
}
if ((newElement.Y + 1 < labyrinth.GetLength(1)) &&
(labyrinth[newElement.X, newElement.Y + 1] == "0"))
{
LabyrinthElement fourthElement = new LabyrinthElement(newElement.X, newElement.Y + 1, newElement.Value);
queue.Enqueue(fourthElement);
}
}
labyrinth[startX, startY] = "*";
FindUnreachableCells(labyrinth);
}
else
{
throw new ArgumentException("No entry point");
}
return labyrinth;
}
public LabyrinthElement(LabyrinthElement element)
{
this.X = element.X;
this.Y = element.Y;
this.Value = element.Value;
}
public LabyrinthElement(LabyrinthElement element)
{
this.X = element.X;
this.Y = element.Y;
this.Value = element.Value;
}