05. Catch The Bits C# Basics Exam 11

using System;

namespace _17_Catch_the_Bits
{
    class Program
    {
        static void Main()
        {
            int n = int.Parse(Console.ReadLine());
            int step = int.Parse(Console.ReadLine());


            int number = 0;
            string all = null;
            char[] seq=new char[n*8];
            string bin = null;



            for (int i = 0; i < n; i++)
            {
                number = int.Parse(Console.ReadLine());
                string input = Convert.ToString(number, 2);
                string inputByte = input.PadLeft(8, '0');
                all = all + inputByte;
            }

            for (int t = 0; t < n*8; t++)
            {
                if (1 + t * step > n * 8)
                {
                    continue;
                }
                seq[t] = all[1 + t * step];
            }

            for (int l = 0; l < seq.Length; l++)
            {
                if (seq[l]=='\0')
                {
                    continue;
                }
                bin = bin + seq[l];
            }

            int ctr =(int)System.Math.Ceiling((decimal)bin.Length/8);
            string middle = bin.PadRight(ctr*8, '0');

            int p = 0;
            while (p < ctr*8)
            {
                string final = middle.Substring(p, 8);
                int end = Convert.ToInt32(final, 2);
                Console.WriteLine(end);
                p = p + 8;
            }

        }
    }
}