using System;

using System.Linq;

​

public class Program

{

    public static void Main()

    {

        Console.Write("Enter number of columns: ");

        int userinput = Convert.ToInt16(Console.ReadLine());

        int[] columns = new int[userinput];

        Random Dice = new Random();

        bool search = true;

        DateTime start = DateTime.Now;

        while (search)

        {

            for (int i = 0; i < columns.Length; i++)

            {

                columns[i] = Dice.Next(1, 7);

            }

            if (columns.Distinct().Count() == 1)

            {

                Console.WriteLine("All columns match with the value of {0}", columns[0]);

                Console.WriteLine("It took {0} to get all columns to match", DateTime.Now.Subtract(start));

                search = false;

            }

        }

    }

}