백준 1546번 - 평균

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

1546번: 평균

#include <iostream>
#include <algorithm>

using namespace std;

int main()
{
	int n;
	cin >> n;

	int* arr = new int[n];

	for (int i = 0; i < n; i++)
		cin >> arr[i];

	int max = *max_element(arr, arr + n);
	double sum = 0;
	for (int i = 0; i < n; i++)
	{
		sum += (double)arr[i] / max * 100;
	}

	double average = sum / n;

	cout << average;

	return 0;
}