Submission #2707913

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Source Code Expand

using System;
public class Hello{
    public static void Main(){
        var num = Array.ConvertAll(Console.ReadLine().Split(' '),int.Parse);
        var N = num[0];
        var K = num[1];
        var Rate = Array.ConvertAll(Console.ReadLine().Split(' '),double.Parse);
        var C = 0.0;
        Array.Sort(Rate);
        
        for(var i = N - K;i < N;i++){
            C += (Rate[i] - C) / 2;
        }
        Console.WriteLine(C);
            
        
    }
}

Submission Info

Judge Result