SumMinMaxFirstLastAverage

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace loops
{
    class loops
    {
        static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());
            int[] arr = new int[n];
            for (int i = 0; i < n; i++)
            {
                arr[i] = int.Parse(Console.ReadLine());
            }
            int sum = 0;
            int min = int.MaxValue;
            int max = int.MinValue;

            for (int i = 0; i < arr.Length; i++)
			{
                sum = sum+arr[i];
                if (arr[i]<min)
                {
                    min = arr[i];
                }
                if (max<arr[i])
                {
                    max = arr[i];
                }
			}
            Console.WriteLine("sum = "+ sum);
            Console.WriteLine("min = "+ min);
            Console.WriteLine("max = "+ max);
            Console.WriteLine("first = "+ arr[0]);
            Console.WriteLine("last = "+ arr[arr.Length-1]);
            Console.WriteLine("Average = "+(double) sum/n);
        }
    }
}