2. Pascal Triangle

using System;
using System.Linq;

namespace _02._Pascal_Triangle
{
    class Program
    {
        static void Main(string[] args)
        {
            int numberRows = int.Parse(Console.ReadLine());

            int[] priviusRows = new int[0];

            for (int i = 0; i < numberRows; i++)
            {
                int[] row = new int[i+1];
                row[0] = 1;
                if (i == 0 || i == 1)
                {
                    row[i] = 1;

                }

                else
                {

                    for (int j = 1; j < i; j++)
                    {
                        row[i] = priviusRows[j];
                        row[j] = priviusRows[j] + priviusRows[j - 1];

                    }

                }

                Console.Write(string.Join(" ",row));

                Console.WriteLine();

                priviusRows = row;

            }


        }
    }
}