RegexExercises/CannonShot

using System;
using System.Globalization;
using System.Text.RegularExpressions;
using System.Collections.Generic;


namespace lab3.BoomingCannon
{
    class Program
    {
        static void Main(string[] args)
        {
            string[] coordinates = Console.ReadLine().Split(' ');

            int distance = int.Parse(coordinates[0], NumberFormatInfo.InvariantInfo);
            int elementsToDestroy = int.Parse(coordinates[1], NumberFormatInfo.InvariantInfo);

            string inputTarget = Console.ReadLine();

            Regex targetPatern = new Regex(@"\\<<<(?<target>[^\\<<<]+)");
            MatchCollection collection = targetPatern.Matches(inputTarget);
            List<string> result = new List<string>();

            foreach (Match m in collection)
            {
                string target = m.Groups["target"].Value;
                string destroyedTarget = GetDestroyedTarget(distance, elementsToDestroy, target);
                result.Add(destroyedTarget);
            }
            Console.WriteLine(string.Join("/\\",result));

      }
        static string GetDestroyedTarget(int index,int count ,string target)
        {
            string destroyed = "";
            int countLetters = 0;

            for (int i = index; i < target.Length; i++)
            {
                if (countLetters == count)
                {
                    return destroyed;
                }

                destroyed += target[i];
                countLetters++;
            }
            return destroyed;
        }
    }
}