Submission #146209

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Source Code Expand

import java.util.*;

public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        ArrayList<Integer> point = new ArrayList<>();
        int video = sc.nextInt();
        int num = sc.nextInt();
        for (int i = 1; i <= video; i++) {
            point.add(sc.nextInt());
        }

        Collections.sort(point);

        ArrayList<Integer> high = new ArrayList<>();
        for (int i = 0; i <= num - 1; i++) {
            high.add(point.get(point.size() - 1 - i));
        }
        
        Collections.sort(high);
        
        double result = 0;
        
        for(int i = 0;i< high.size();i++){
            int j = high.get(i);
            result = (result + j) / 2;
            
        }
        
        System.out.println(result);

    }

}

Submission Info

Judge Result