using System;

​

        Console.Write("Enter the number of elements (n): ");

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

        string[] strings = new string[n];

        Console.WriteLine("Enter the strings:");

        for (int i = 0; i < n; i++)

        {

            strings[i] = Console.ReadLine();

        }

        Console.Write("Enter the search string: ");

        string searchString = Console.ReadLine();

        Console.Write("Enter the indices (i and j): ");

        string[] indices = Console.ReadLine().Split();

        int i = int.Parse(indices[0]);

        int j = int.Parse(indices[1]);

        for (int k = i; k <= j; k++)

        {

            if (strings[k] == searchString)

            {

                Console.WriteLine($"Index: {k}");

                return;

            }

        }

        Console.WriteLine("-1");

​

​

        Console.WriteLine("Not found");

​

        Console.WriteLine("Not found");