Задача: Треугольник Паскаля

DisplayPascalTriangle.cs

using System;
					
public class Program
{
	public static void Main()
	{
		Console.WriteLine("UniLecs");
		DisplayPascalTriangle(3);
	}
	
	private static void DisplayPascalTriangle(int n)
	{
		int[,] arr = new int[n, n];
		
		// Prepare matrix
		arr[0, 0] = 1;
		for (int i = 1; i < n; i++)
		{
			for (int j = 0; j < n; j++)
			{
				if (j == 0 || j == i)
				{
					arr[i, j] = 1;
				}
				else
				{
					arr[i, j] = arr[i - 1, j - 1] + arr[i - 1, j];
				}
			}
		}

		// Display matrix
		for (int i = 0; i < n; i++)
		{
			for (int j = 0; j < n; j++)
			{
				if (arr[i, j] > 0)
				{
					Console.Write(arr[i,j] + " ");
				}
			}
			Console.WriteLine();
		}
	}	
}