백준 1546번: 평균

using System;

class Program
{
    static void Main(string[] args)
    {
        string stringNumber = Console.ReadLine();
        int intNumber = System.Convert.ToInt32(stringNumber);

        int[] intScoresArray = new int[intNumber];
        
        string stringScores = Console.ReadLine();
        string[] array = stringScores.Split(' ', StringSplitOptions.None);
        for (int i = 0; i < array.Length; i++)
        {
            intScoresArray[i] = Convert.ToInt32(array[i]);
        }

        int compare = 0;
        
        // 최대 값 구하기
        for (int i = 0; i < intScoresArray.Length; i++)
        {
            if (compare < intScoresArray[i])
            {
                compare = intScoresArray[i];
            }
        }
        int max = compare;

        float result = 0;
        for (int i = 0; i < intScoresArray.Length; i++)
        {
            result += ((float)intScoresArray[i] / (float)max) * 100f;
        }

        result = result / (float)intScoresArray.Length;
        
        Console.WriteLine(result);
    }
}

 

문제 출처

https://www.acmicpc.net/problem/1546

1546번: 평균