백준1546

백준 1546

#include<iostream>
#include<vector>
using namespace std;
int main()
{
	double a;
	std::cin >> a;
	vector<double> v;

	int max = 0;
	for(int i = 0; i < a; i++)
	{
		double b;
		cin >> b;
		v.push_back(b);
		if (b > v[max])
			max = i;
	}

	double result = 0;
	for (int i = 0; i < a; i++)
	{
		result += v[i] / v[max] * 100;
	}
	cout << result/a;
}