using System;

public class Program

{

    public static int[] registro = new int[12];

    public static Random numero = new Random();

    public static void Main()

    {       

        for ( int i = 0; i < 12; i++ ) 

        {

            registro[i] = numero.Next(-20 , 40);

            Console.WriteLine(registro[i]);

        }

        RegistroMasAlto(registro);

    }

    public static void RegistroMasAlto(int[] A)

    {

        int mayor = registro[0]; 

        for( int i = 0; i < 10; i++ ) 

        {

            if( mayor < registro[i] ) 

            {

                mayor = registro[i];

            }

        }

        Console.WriteLine("La temperatura más alta fue: " + mayor + "°C");

    }

}