백준 11399번

원본 : www.acmicpc.net/problem/11399

11399번: ATM

 

풀이

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.util.Arrays;

public class Main {

	public static BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
	public static BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(System.out));

	public static void main(String[] args) throws Exception {
		
		int n = Integer.parseInt(reader.readLine());
		String str = reader.readLine();
		int p[] = Arrays.stream(str.split(" ")).mapToInt(Integer::parseInt).toArray();
		Arrays.sort(p);
		
		int result = p[0];
		for (int i = 1; i < p.length; i++) {
			p[i] += p[i - 1];
			result += p[i];
		}
		
		writer.write(result + "");
		writer.flush();
	}
	
}