Ladybugs-2nd option-Arrays

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



public class Program
{
	public static void Main()
	{
		int fieldSize = int.Parse(Console.ReadLine());
		int[] field = new int[fieldSize];
		int[]initialIndexes = Console.ReadLine().Split().Select(int.Parse).ToArray();

		for (int i=0; i<initialIndexes.Length; i++)
		{
			int currIndex = initialIndexes[i];

			if (currIndex>=0 && currIndex<=field.Length-1)
			{
				field[currIndex]= 1;
			}
		}

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

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

			string[]tokens = command.Split();

			int ladybugIndex = int.Parse(tokens[0]);
			bool isFirst = true;

			while((ladybugIndex>=0 && ladybugIndex<=field.Length-1) && field[ladybugIndex]!=0)
			{
				if (isFirst)
				{
				  field[ladybugIndex]=0;
				  isFirst = false;
				}

				string direction = tokens[1];
				int flyLen = int.Parse(tokens[2]);

				if (direction == "right")
				{
					ladybugIndex += flyLen;
				}
				else
				{
					ladybugIndex -= flyLen;
				}
				if (ladybugIndex>=0 && ladybugIndex<=field.Length-1)
				{
					if (field[ladybugIndex]==0)
					{
						field[ladybugIndex]=1;
						break;
					}
				}

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