arrays biggest num with loop

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

namespace ConsoleApp39
{
    class Program
    {
        static void Main(string[] args)
        {
            var n = new[] { 1, 2, 3, 4, 5, 6, 7, 8, 19, 23, 45, 70 };

            int biggestNum = 0;

            for (var i = 0; i < n.Length; i++)
            {
                if (biggestNum < n[i])
                {
                    biggestNum = n[i];
                }
            }
            Console.WriteLine(biggestNum);
        }
    }
}