2.PascalTriangle

using System;

namespace _2.PascalTriangle
{
    class Program
    {
        static void Main(string[] args)
        {
            int rows = int.Parse(Console.ReadLine());
            int[][] triangleArray = new int[rows][];
            for (int i = 0; i < rows; i++)
            {
                triangleArray[i] = new int[i + 1];
            }
            triangleArray[0][0] = 1;
            Console.WriteLine(triangleArray[0][0]);
            for (int i = 1; i < triangleArray.GetLength(0); i++)
            {
                for (int j = 0; j < triangleArray[i].Length; j++)
                {
                    if(j == 0 || j == triangleArray[i].Length - 1)
                    {
                        triangleArray[i][j] = 1;
                        Console.Write(triangleArray[i][j] + " ");
                    }
                    else
                    {
                        triangleArray[i][j] = triangleArray[i - 1][j - 1] + triangleArray[i-1][j];
                        Console.Write(triangleArray[i][j] + " ");
                    }
                }
                Console.WriteLine();
            }

           //foreach(int[] array in triangleArray)
           //{
           //    foreach (int position in array)
           //    {
           //        Console.Write(position + " ");
           //    }
           //    Console.WriteLine();
           //}
        }
    }
}