A one-dimensional array of integers of 30 elements is given. Finds all local maxima and outputs them. The program works with an array of any size.

Local max

using System.Collections;
using System.Diagnostics;
using System.Text;

namespace iJuniorPractice;

class Program
{
    static void Main(string[] args)
    {
        int[] numbers = new int[30];
        Random random = new Random();
        int maxRandomValue = 100;
        int lastIndex;

        Console.WriteLine("numbers:");

        for (int i = 0; i < numbers.Length; i++)
        {
            numbers[i] = random.Next(maxRandomValue + 1);
            Console.Write(numbers[i] + " ");
        }
        
        lastIndex = numbers.Length - 1;

        Console.WriteLine("\nLocal max values: ");

        if (numbers[0] > numbers[1])
        {
            Console.Write(numbers[0] + " ");
        }

        for (int i = 1; i < numbers.Length - 1; i++)
        {
            if (numbers[i] > numbers[i + 1] && numbers[i] > numbers[i - 1])
            { 
                Console.Write(numbers[i] + " "); 
            }
        }

        if (numbers[lastIndex] > numbers[lastIndex - 1])
        {
            Console.WriteLine(numbers[lastIndex]);
        } 
    }
}