public static void Main(string[] args)
{
width = int.Parse(Console.ReadLine());
height = int.Parse(Console.ReadLine());
field = new int[width, height];
int startX = int.Parse(Console.ReadLine());
int startY = int.Parse(Console.ReadLine());
var startCell = new Cell(startX, startY);
var moveQueue = new Queue<Cell>();
moveQueue.Enqueue(startCell);
while (moveQueue.Count > 0)
{
var currentCell = moveQueue.Dequeue();
field[currentCell.X, currentCell.Y] = currentCell.Value;
TryDirection(currentCell, moveQueue, -2, 1);
TryDirection(currentCell, moveQueue, -1, 2);
TryDirection(currentCell, moveQueue, 1, 2);
TryDirection(currentCell, moveQueue, 2, 1);
TryDirection(currentCell, moveQueue, 2, -1);
TryDirection(currentCell, moveQueue, 1, -2);
TryDirection(currentCell, moveQueue, -1, -2);
TryDirection(currentCell, moveQueue, -2, -1);
}
PrintNeededCol();
}
private static void TryDirection(Cell currentCell, Queue<Cell> moveQueue, int x, int y)
{
var newX = currentCell.X + x;
var newY = currentCell.Y + y;
if (newX >= 0 &&
newX < width &&
newY >= 0 &&
newY < height &&
field[newX, newY] == 0)
{
moveQueue.Enqueue(new Cell(newX, newY, currentCell.Value + 1));
}
}