3.5

using System;

namespace _3._5
{
    class Program
    {
        static void Main(string[] args)
        {
            int[] intArray = new int[30];
            int[] intMaxs = new int[0];


            Random random = new Random();

            for (int i = 0; i < intArray.Length; i++)
            {
                intArray[i] = random.Next(1, 10);
            }

            for (int i = 0; i < intArray.Length; i++)
            {
                Console.Write(intArray[i] + " ");
            }

            if (intArray[0] > intArray[1])
            {
                int[] newMaxsArray = new int[intMaxs.Length + 1];
                for (int i = 0; i < intMaxs.Length; i++)
                {
                    newMaxsArray[i] = intMaxs[i];
                }
                newMaxsArray[intMaxs.Length] = intArray[0];
                intMaxs = newMaxsArray;
            }

            for (int j = 1; j < intArray.Length - 1; j++)
            {

                if (intArray[j] > intArray[j - 1] && intArray[j] > intArray[j + 1])
                {
                    int[] newMaxsArray = new int[intMaxs.Length + 1];
                    for (int i = 0; i < intMaxs.Length; i++)
                    {
                        newMaxsArray[i] = intMaxs[i];
                    }
                    newMaxsArray[intMaxs.Length] = intArray[j];
                    intMaxs = newMaxsArray;
                }
            }

            if (intArray[29] > intArray[28])
            {
                int[] newMaxsArray = new int[intMaxs.Length + 1];
                for (int i = 0; i < intMaxs.Length; i++)
                {
                    newMaxsArray[i] = intMaxs[i];
                }
                newMaxsArray[intMaxs.Length] = intArray[29];
                intMaxs = newMaxsArray;
            }

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