/*
 * C# Program to Illustrate Pascal Triangle
 */
using System;
class Pascal
{
    public static void Main()
    {
        int[,] arr = new int[8, 8];
        Console.WriteLine("Pascal Triangle : ");
        for (int i = 0; i < 5; i++)
            {
                for (int k = 5; k > i; k--)
                    {
                        Console.Write(" ");
                    }
                for (int j = 0; j < i; j++)
                    {
                        if (j == 0 || i == j)
                            {
                                arr[i, j] = 1;
                            }
                        else
                            {
                                arr[i, j] = arr[i - 1, j] + arr[i - 1, j - 1];
                            }
                        Console.Write(arr[i, j] + " ");
                    }
                Console.ReadLine();
            }
    }
}

/*
Pascal Triangle :
    1
   1 1
  1 2 1
 1 3 3 1