/*

Your task is to find out the blob size as defined below.

​

A blob is defined in a rectangular grid as a collection of 1+ contiguous asterisks (*).

Contiguous means that the asterisks must be adjacent either horizontally, vertically, or diagonally.

Periods (.) in the grid are not part of a blob.

We can assume that in a single grid, there only exists one blob.

​

For example, in this 7x8 grid:

​

COL   1 2 3 4 5 6 7 8 

ROW 1 . . . . . . . .

    2 . . * . . . . .

    3 . * * * . . . .

    4 * * . * * . . .

    5 . * * * . . . .

    6 . . * * . . . .

    7 * * . . * . . .

​

the blob size by a give position (a row-column pair) is:

Size(2, 6) returns 0 - no asterisk (*) is found in this location

Size(2, 3) returns 16 - because 16 asterisks (*) are found to be connected in this location

Size(7, 5) returns 16 - because 16 asterisks (*) are found to be connected in this location

*/

using System;

using FluentAssertions;

using FluentAssertions.Execution;

using System.Collections.Generic;

​

public class Program

{

    public static void Main()

    {

        using (new AssertionScope())

        {

            char[, ] blob = new char[7, 8]{

                {'.', '.', '.', '.', '.', '.', '.', '.'},

                {'.', '.', '*', '.', '.', '.', '.', '.'},

                {'.', '*', '*', '*', '.', '.', '.', '.'},

                {'*', '*', '.', '*', '*', '.', '.', '.'},

                {'.', '*', '*', '*', '.', '.', '.', '.'},

                {'.', '.', '*', '*', '.', '.', '.', '.'},

                {'*', '*', '.', '.', '*', '.', '.', '.'},

            };

            BlobSize(blob, 1, 1).Should().Be(0);

            BlobSize(blob, 2, 6).Should().Be(0);

            BlobSize(blob, 3, 5).Should().Be(0);

            BlobSize(blob, 4, 3).Should().Be(0);

            BlobSize(blob, 5, 8).Should().Be(0);

            BlobSize(blob, 6, 2).Should().Be(0);

            BlobSize(blob, 7, 8).Should().Be(0);

            BlobSize(blob, 2, 3).Should().Be(16);

            BlobSize(blob, 3, 4).Should().Be(16);

            BlobSize(blob, 4, 1).Should().Be(16);

            BlobSize(blob, 5, 3).Should().Be(16);

            BlobSize(blob, 6, 4).Should().Be(16);

            BlobSize(blob, 7, 5).Should().Be(16);

            BlobSize(blob, 7, 1).Should().Be(16);

        }

​

        Console.WriteLine("success");

    }

​

    static int BlobSize(char[, ] blob, int row, int column)

    {

        int rowsTotal = blob.GetLength(0);

        int colsTotal = blob.GetLength(1);

        Console.WriteLine("It is a " + rowsTotal + "X" + colsTotal + " array.");

        return -1;

    }

}