using System;

namespace Project
{
    class Program
    {
        public static void Main()
        {
            World world = new World(10, 8);
            world[1, 5] = 5;
            PrintWorld(world);
            Console.ReadKey();
        }

        public static void PrintWorld(World world)
        {
            for (int y = 0; y < world.Height; y++)
            {
                for (int x = 0; x < world.Width; x++)
                    Console.Write("{0} ", world[x, y]);
                Console.WriteLine();
            }
        }

        public class World
        {
            private int[,] world;
            public int Width => world.GetLength(1);
            public int Height => world.GetLength(0);

            public World(int width, int height, int defaultValue = 0)
            {
                world = new int[height, width];

                for (int y = 0; y < height; y++)
                    for (int x = 0; x < width; x++)
                        world[y, x] = defaultValue;
            }

            public bool IsCoordinatesCorrect(int x, int y)
            {
                return x >= 0 && x < Width
                    && y >= 0 && y < Height;
            }

            public int this[int x, int y]
            {
                get => world[y, x];
                set => world[y, x] = value;
            }
        }
    }
}