Exam 1. Invert_TheSequence_Bits

namespace _19.BitsInverter
{
    using System;

    public class BitsInverter
    {
        public static void Main(string[] args)
        {
            checked
            {
                // Reading from Input given Count of numbers in Sequence and number Step:
                int countNums = int.Parse(Console.ReadLine());
                int step = int.Parse(Console.ReadLine());

                // Reading from Input the numbers of Sequence and Create Array of Integers:
                int[] numbers = ReadInputSequenceAndCreateArrayOfIntegers(countNums);
                int indexInSequence = 0;
                foreach (var num in numbers)
                {
                    int number = num;
                    for (int i = 7; i >= 0; i--)
                    {
                        indexInSequence++;
                        int bitMoving = indexInSequence % step;

                        // Create BitMask:
                        int bitMask = 1 << i;

                        // Inverting bit on exact position in Sequence:
                        if (step == 1 || bitMoving == 1)
                        {
                            number ^= bitMask;
                        }
                    }

                    // Print inverted number:
                    Console.WriteLine(number);
                }
            }
        }

        private static int[] ReadInputSequenceAndCreateArrayOfIntegers(int count)
        {
            checked
            {
                int[] numbers = new int[count];
                for (int i = 0; i < numbers.Length; i++)
                {
                    numbers[i] = int.Parse(Console.ReadLine());
                }

                return numbers;
            }
        }
    }
}