백준 - 11399 ATM(feat. java)

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

public class Main {
	static int[] p;
	static int N;
	
	
	public static void main(String[] args) {
		
		Scanner sc = new Scanner(System.in); 
		
		N = sc.nextInt();
		p = new int[N];
		
		for (int i = 0; i < p.length; i++) p[i] = sc.nextInt();
		
		Arrays.sort(p);
		
		int result = p[0];
		
		for (int i = 1; i < p.length; i++) {
			p[i] = p[i-1] + p[i];
			result += p[i];
		}
		
		System.out.println(result);
	}
}