Arrays

2ra

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace _2._1_Rotate_the_Sum
{
    class Program
    {
        static void Main(string[] args)
        {
            string[] inputNumbers = Console.ReadLine().Split(' ');
            int[] parsedNumber = new int[inputNumbers.Length];
            int[] sum = new int[inputNumbers.Length];
            for (int i = 0; i < inputNumbers.Length; i++)
            {
                parsedNumber[i] = int.Parse(inputNumbers[i]);
            }

            int n = int.Parse(Console.ReadLine());

            for (int i = 0; i < n; i++)
            {
                int lastNumber = parsedNumber[parsedNumber.Length-1];
                for (int j = parsedNumber.Length - 1; j > 0; j--)
                {
                    parsedNumber[j] = parsedNumber[j - 1];
                }
                parsedNumber[0] = lastNumber;

                for (int j = 0; j < parsedNumber.Length; j++)
                {
                    sum[j] += parsedNumber[j];
                }

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


3ta

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace _03.Fold_and_Sum
{
    class Program
    {
        static void Main(string[] args)
        {
            string[] firstArray = Console.ReadLine().Split(' ');
            int[] firstArrayInt = new int[firstArray.Length];
            int k = firstArray.Length / 4;
            int[] firstRow = new int[firstArray.Length/4];
            int[] secondRow = new int[firstArray.Length/4];
            int[] thirdRow = new int[firstArray.Length/4];
            int[] fourthRow = new int[firstArray.Length/4];

            for (int i = 0; i < firstArray.Length; i++)
            {
                firstArrayInt[i] = int.Parse(firstArray[i]);
            }

            for (int i = 0; i < firstArray.Length/4; i++)
            {
                firstRow[i] = firstArrayInt[i];
            }
            for (int i = firstArray.Length / 4; i < firstArray.Length / 2; i++)
            {
                secondRow[i-firstArray.Length/4] = firstArrayInt[i];
            }
            for (int i = firstArray.Length / 2; i < firstArray.Length * 3 / 4; i++)
            {
                thirdRow[i-firstArray.Length/2] = firstArrayInt[i];
            }
            for (int i = firstArray.Length * 3 / 4; i < firstArray.Length; i++)
            {
                fourthRow[i-firstArray.Length*3/4] = firstArrayInt[i];
            }

            Array.Reverse(firstRow);
            Array.Reverse(fourthRow);





            Console.Write(string.Join(" ", firstRow.Zip(secondRow, (x, y) => x + y)));
            Console.Write(" ");
            Console.Write(string.Join(" ", fourthRow.Zip(thirdRow, (x,y) => x+y)));
            Console.WriteLine();
        }
    }
}




4ta


using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace _04.Sieve_of_Eratosthenes
{
    class Program
    {
        static void Main(string[] args)
        {
            int num = int.Parse(Console.ReadLine());
            Primes(num);
        }
        private static void Primes(int num)
        {
            bool[] IsPrime = new bool[num+1];
            for (int i = 0; i <= num; i++)
            {
                IsPrime[i] = true;
            }
            IsPrime[0] = false;
            IsPrime[1] = false;
            for (int i = 2; i <= num; i++)
            {
                if (IsPrime[i])
                {
                    for (int j = 2; j*i <= num; j++)
                    {
                        IsPrime[i*j] = false;
                    }
                }
            }
            for (int i = 2; i <= num; i++)
            {
                if (IsPrime[i])
                    Console.WriteLine(i);
            }


        }
    }
}


5ta


using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace _05.Compare_Char_Array
{
    class Program
    {
        static void Main(string[] args)
        {
            char[] letter = Console.ReadLine().Split(' ').Select(char.Parse).ToArray();
            char[] letter2 = Console.ReadLine().Split(' ').Select(char.Parse).ToArray();
            FirstCharArray(letter, letter2);
        }
        private static void FirstCharArray(char[] letter, char[] letter2)
        {
            bool check = true;

            for (int i = 0; i < Math.Min(letter.Length, letter2.Length); i++)
            {
                check = true;
                if (letter[i] == letter2[i])
                {
                    check = true;
                }
                else
                {
                    check = false;
                    if ((letter[i] - 'a') > (letter2[i] - 'a'))
                    {
                        Console.WriteLine(string.Join("", letter2));
                        Console.WriteLine(string.Join("", letter));
                    }
                    else
                    {
                        Console.WriteLine(string.Join("", letter));
                        Console.WriteLine(string.Join("", letter2));
                    }
                    break;
                }
            }
            if (check)
            {
                if (letter.Length <= letter2.Length)
                {
                    Console.WriteLine(string.Join("", letter));
                    Console.WriteLine(string.Join("", letter2));
                }
                else
                {
                    Console.WriteLine(string.Join("", letter2));
                    Console.WriteLine(string.Join("", letter));
                }
            }

        }
    }
}



6ta



using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ListExercise
{
    class Program
    {
        static void Main(string[] args)
        {
            List<int> numbers = Console.ReadLine().Split().Select(int.Parse).ToList();
            int count = 0;
            int countMax = 0;
            int index = 0;


            for (int i = 1; i < numbers.Count; i++)
            {
                if (numbers[i] == numbers[i - 1])
                {
                    count++;
                    if (count > countMax)
                    {
                        countMax = count;
                        index = i - count;
                    }
                }
                else
                    count = 0;
            }

            for(int i = index; i<=index+countMax; i++)
            {
                Console.Write(numbers[i] + " ");
            }
            Console.WriteLine();

        }
    }
}