Submission #6994481

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Source Code Expand

#include <bits/stdc++.h>
#define loop(n, i) for(int i=0;i<n;i++)
#define loop1(n, i) for(int i=1;i<=n;i++)
#define rloop(n, i) for(int i=n;i;i++)
#define HERE cout << "HERE: " << __LINE__ << endl;
#define INSP(v) cout << v << " at " << __LINE__ << endl;
using namespace std;
using ll = long long;
template <class T>
using V = vector<T>;

int main() {
    int n; cin >> n;
    V<long double> A(n);
    loop (n, i) cin >> A[i];

    sort(A.begin(), A.end());
    long double acc = A[0];
    loop (n - 1, i) {
        acc = (acc + A[i + 1]) / 2.0;
    }
    cout << fixed << setprecision(10) << acc << endl;
    return 0;
}

Submission Info

Judge Result