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Drinks.cpp
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Drinks.cpp
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// Problem: B. Drinks
// Contest: Codeforces - Codeforces Round #126 (Div. 2)
// URL: https://codeforces.com/problemset/problem/200/B
// Memory Limit: 256 MB
// Time Limit: 2000 ms
// Powered by CP Editor (https://github.com/cpeditor/cpeditor)
#include <bits/stdc++.h>
#define F first
#define S second
#define PB push_back
#define MP make_pair
#define ll long long int
#define vi vector<int>
#define vii vector<int, int>
#define vc vector<char>
#define vl vector<ll>
#define mod 1000000007
#define INF 1000000009
using namespace std;
int main()
{
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int n;
cin >> n;
vi A(n);
for(int i = 0 ; i < n; i++) {
cin >> A[i];
}
int total = 100 * n;
int orange = 0;
for(int i = 0; i < n; i++) {
orange += A[i];
}
double res = (double)orange / (double)total;
cout << setprecision(6) << res*100 << "\n";
return 0;
}