using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        Console.Write("Nhap so phan tu: ");

            int n = Convert.ToInt32(Console.ReadLine());

            int[] a = new int[n];

            int i, max, min;

            for ( i = 0; i < n; i++)

            {

                Console.Write("Phan tu: ", i);

                a[i] = Convert.ToInt32(Console.ReadLine());

            }           

               max =  a[0];

               min =  a[0];

​

            for ( i = 1; i < n; i++)

            {

                if (a[i] > max)

                {

                    max = a[i];

                }

                if (a[i] < min)

                {

                    min = a[i];

                }

            }

            Console.WriteLine("Phan tu nho nhat trong mang la: {0}", min);

            Console.WriteLine("Phan tu lon nhat trong mang la: {0}", max);

        }

    }