View difference between Paste ID: 3vqQXabv and KHsHvh55

 using System;
 
 
 class ForestRoad
 {
     static void Main()
     {
         int N = int.Parse(Console.ReadLine());
 
         for (int i = 0, j = N-1 ; i < N; i++,j--)
         {
             Console.Write(new string('.',i));
             Console.Write('*');
             Console.Write(new string('.',j));
             Console.WriteLine();
         }
         for (int i = N - 1, j = 0; j < N; i--, j++)
         {
             if (j == 0)
             {
                 continue;
             }
             Console.Write(new string('.', i));
             Console.Write('*');
             Console.Write(new string('.', j));
             Console.WriteLine();
         }
     }
 }