3.4

using System;

namespace HelloApp
{
    class Program
    {
        static void Main(string[] args)
        {
            Random number = new Random();
            int[] array = new int[30];

            for (int i = 0; i < 30; i++)
            {
                array[i] = number.Next(1, 100);
            }

            if (array[0] > array[1])
            {
                Console.ForegroundColor = ConsoleColor.Red;
                Console.Write(array[0] + " ");
                Console.ForegroundColor = ConsoleColor.White;
            }
            else
            {
                Console.Write(array[0] + " ");
            }
            for (int i = 1; i < 29; i++)
            {
                if (array[i] > array[i - 1] && array[i] > array[i + 1])
                {
                    Console.ForegroundColor = ConsoleColor.Red;
                    Console.Write(array[i] + " ");
                    Console.ForegroundColor = ConsoleColor.White;
                }
                else
                {
                    Console.Write(array[i] + " ");
                }
            }
            if (array[array.Length-1] > array[array.Length-2])
            {
                Console.ForegroundColor = ConsoleColor.Red;
                Console.Write(array[array.Length - 1] + " ");
                Console.ForegroundColor = ConsoleColor.White;
            }
            else
            {
                Console.Write(array[array.Length - 1] + " ");
            }
            Console.WriteLine();
        }
    }
}