10.LadyBugs (C# Shell App Paste)

using System.IO;
using System.Linq;
using System.Collections.Generic;

namespace CSharp_Shell
{

    public static class Program
    {
        public static void Main()
        {
           int fieldSize = int.Parse(Console.ReadLine());

           int[] indexes = Console.ReadLine()
           .Split()
           .Select(int.Parse)
           .ToArray();

           int[] field = new int[fieldSize];
           for(int i = 0;i<indexes.Length; i++)
           {
              int  index = indexes[i];
               if(index >=0 && index < field.Length)
               {
                   field[index]=1;
               }
           }

           while(true)
           {
               string command = Console.ReadLine();

               if(command == "end")
               {
                   break;
               }

               string[] cmdArg = command
               .Split()
               .ToArray();

               int index = int.Parse(cmdArg[0]);
               string cmd = cmdArg[1];
               int flyLength = int.Parse(cmdArg[2]);


               if(index < 0 || index > field.Length-1 || field[index]==0)
               {
                   continue;
               }


               field[index] = 0;
               index+=flyLength;

               if(cmd == "right")
               {
                   while(index<field.Length && field[index]==1)
                   {
                       index+=flyLength;
                   }

                   if(index<field.Length)
                   {
                       field[index]=1;
                   }
               }
               if(cmd == "left")
               {
                   while(index>=0 && field[index]==1)
                   {
                       index-=flyLength;
                   }

                   if(index>=0)
                   {
                       field[index] = 1;
                   }

               }

           }

           Console.Write(string.Join(" ", field));
        }
    }
}