백준 1546 평균

using System;
namespace _1546
{
    class Program
    {
        static void Main(string[] args)
        {
            int testCaseNum = int.Parse(Console.ReadLine());

            string[] strInput = Console.ReadLine().Split(' ');
            int[] intInput = new int[testCaseNum];

            for (int i = 0; i < testCaseNum; i++)
            {
                intInput[i] = int.Parse(strInput[i]);
            }
            int max = intInput[0];    
            foreach (int val in intInput)
            {
                if (val > max)
                {
                    max = val;
                }               
            }
            double sum=0;
            foreach(double score in intInput)
            {
                sum += (score/max) * 100;
            }

            double result = sum / testCaseNum;
            
            Console.WriteLine(result);

        }
    }
}