Exemple #1
0
        public object ABC138C()
        {
            var n = cin.NextInt();
            var v = cin.ArrayDouble(n);

            Array.Sort(v);
            var ans = v[0];

            for (int i = 1; i < n; i++)
            {
                ans = (ans + v[i]) / 2;
            }
            return(ans);
        }