3.5

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

namespace FifthProject
{
    class Program
    {
        static void Main(string[] args)
        {
            int number = 0;

            Random random = new Random();

            int[] array = new int[30];
            for (int i = 0; i < array.GetLength(0); i++)
            {
                array[i] = random.Next(1, 10);
            }

            for (int i = 1; i < array.GetLength(0) - 1; i++)
            {
                number = array[i];
                if (number > array[i + 1] && number > array[i - 1])
                {
                    Console.Write(number + " ");
                }
            }
            Console.WriteLine();

            Console.WriteLine("Исходный массив: ");
            for (int i = 0; i < array.Length; i++)
            {
                Console.Write(array[i] + " ");
            }
        }
    }
}