"There is no Spoon - Episode 1" CodinGame solution

there_is_no_spoon.cs

using System;

class Player
{
    static void Main(string[] args)
    {
        int width = int.Parse(Console.ReadLine());
        int height = int.Parse(Console.ReadLine());

        var grid = new char[width, height];

        for (int i = 0; i < height; i++)
        {
            string line = Console.ReadLine();

            for (int j = 0; j < width; j++)
            {
                grid[j, i] = line[j];
            }
        }

        for (int i = 0; i < height; i++)
        {
            for (int j = 0; j < width; j++)
            {
                if (grid[j, i] == '.') continue;

                int right = j;
                while (++right < width && grid[right, i] == '.');
                string rightNeighbour = right < width && (grid[right, i] != '.') ? $"{right} {i}" : "-1 -1";

                int down = i;
                while (++down < height && grid[j, down] == '.');
                string downNeighbour = down < height && (grid[j, down] != '.') ? $"{j} {down}" : "-1 -1";

                Console.WriteLine($"{j} {i} {rightNeighbour} {downNeighbour}");
            }
        }
    }
}