[StartCode]
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp11
{
    internal class Program
    {
        static void Main(string[] args)
        {
            string[] fullName = new string[0];
            string[] position = new string[0];
            string menuOption;
            bool exit = false;

            while (exit == false)
            {
                Console.WriteLine("        МЕНЮ");
                Console.WriteLine();
                Console.WriteLine("1 - Добавить досье.\n2 - Список досье.\n3 - Удалить досье.\n4 - Поиск по фамилии.\n5 - Выход.");
                menuOption = Console.ReadLine();

                switch (menuOption)
                {
                    case "1":
                        AddList(ref fullName, "Добавить ФИО :");
                        AddList(ref position, "Добавить должность :");
                        break;
                    case "2":
                        ShowLists(fullName,position ,"Список досье :");
                        break;
                    case "3":
                        int number = Convert.ToInt32(Console.ReadLine());
                        DeleteList(number ,ref fullName);
                        DeleteList(number ,ref position);
                        break;
                    case "4":
                        string surname = Console.ReadLine();
                        SearchSurname(fullName,position,surname);
                        break;
                    case "5":
                        exit = true;
                        break;
                }
            }
        }

        static void AddList(ref string[] people, string text)
        {
            string[] tempPeople = new string[people.Length + 1];

            for (int i = 0; i < people.Length; i++)
            {
                tempPeople[i] = people[i];
            }

            Console.WriteLine(text);
            string newPeople = Convert.ToString(Console.ReadLine());
            tempPeople[tempPeople.Length - 1] = newPeople;
            people = tempPeople;
        }

        static void ShowLists( string[] fullName, string[] position, string text)
        {
            Console.WriteLine(text);

            for (int i = 0; i < fullName.Length; i++)
            {
                int indent = 1;
                Console.WriteLine((i + indent) + ") " + fullName[i] + " - " + position[i] + ".");
            }
        }

        static void DeleteList(int number, ref string[] people )
        {
            for (int i = number - 1; i < people.Length - 1; i++)
            {
                people[i] = people[i + 1];
            }

            string[] tempPeople = new string[people.Length - 1];

            for (int i = 0; i < people.Length - 1; i++)
            {
                tempPeople[i] = people[i];
            }

            people = tempPeople;
        }

        static void SearchSurname(string[] fullName, string[] position, string surname)
        {
            for (int i = 0; i < fullName.Length; i++)
            {
                string[] words = fullName[i].Split(' ');

                for (int j = 0; j < words.Length; j++)
                {
                    if (words[j] == surname)
                    {
                        Console.WriteLine(fullName[i] + " - " + position[i]);
                    }
                }
            }
        }
    }
}
[EndCode]