백준 11399 java

import java.util.Arrays;
import java.util.Scanner;

public class Main {
	public static void main(String[] ar){
		Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        
        int a[]=new int[n];
        int sum=0;
        int x=0;
        
        for(int i=0; i<n; i++) {
            a[i]=sc.nextInt();     
        }
        Arrays.sort(a);
        
        for(int i=0; i<n; i++) {
            sum+=a[i]+x;
            x+=a[i];
        }
        
        System.out.println(sum);
        
	}
}