Submission #122478

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Source Code Expand

import java.util.*;
public class Main {
private static final String atcoder = "atcoder";
public static void main(String...args) {
try(final Scanner sc = new Scanner(System.in)) {
final int N = sc.nextInt();
final int K = sc.nextInt();
final double[] R = new double[N];
for(int i = 0; i < N; i++)
R[i] = sc.nextDouble();
Arrays.sort(R);
double ans = 0;
double div = .5;
for(int i = 0; i < K; i++, div /= 2)
ans += R[N - i - 1];
System.out.println(ans);
}
}
}

Submission Info

Judge Result