02162012byKrissam

using System;

namespace PascalTriangle
{
    class Program
    {
        static void Main(string[] args)
        {
            ShowPascal(15);
            Console.Read();

        }
        private static int PascalsCoords(int x, int y)
        {
            if (y > x)
            {
                Console.WriteLine("Error, unknown");
                return -1;
            }
            return Pascals(x - (y - 1), y);
        }

        private static int Pascals(int x, int y)
        {
            if (x == 1 || y == 1) { return 1; }

            return Pascals(x, y - 1) + Pascals(x - 1, y); ;
        }
        private static void ShowPascal(int height)
        {
            int width = 80;
            int fieldWidth = 5;
            for (int i = 1; i <= height; i++)
            {
                string leading = new String(' ', (width / 2) - (fieldWidth*i/2));
                Console.Write(leading);

                for (int j = 1; j <= i; j++)
                {
                    string output = "" + PascalsCoords(i, j);
                    output = output.PadRight(fieldWidth);
                    Console.Write(output);
                }
                Console.WriteLine();
            }
        }
    }
}