using System;

​

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        int n = 7;

        int p = 2;

        int[, ] arr = new int[n + 1, n + 1];

        int[] nums = new int[]{2, -1, 3, 0, 1, 2, 1};

        for (int i = 1; i <= n; i++)

        {

            for (int j = i; j <= n; j++)

            {

                arr[i, j] = arr[i - 1, j - 1] + nums[j - 1];

            }

        }

​

        for (int j = 0; j <= n; j++)

        {

            for (int k = 0; k <= n; k++)

            {

                Console.Write(string.Format("{0} ", arr[j, k]));

            }

​

            Console.Write(Environment.NewLine);

        }

​

        Console.Write(Environment.NewLine + Environment.NewLine);

        for (int i = 1; i <= n; i++)

        {

            Console.WriteLine(string.Format("For length {0}:  ", i));

            for (int j = i; j <= n; j++)

            {

                if (p * arr[i, j] == i)

                {

                    Console.Write(string.Format("{0} {1}: ", (j - i + 1), j));

                    for (int k = j - i + 1; k <= j; k++)

                    {

                        Console.Write(string.Format("{0},", nums[k - 1]));

                    }

​

                    Console.Write(Environment.NewLine);

                }

            }

​

            Console.Write(Environment.NewLine);

        }

​

        Console.Write(Environment.NewLine);

    }

}