[백준] ATM 11399 - JAVA

문제

https://www.acmicpc.net/problem/11399

11399번: ATM

 

풀이

import java.util.*;
import java.io.*;

public class Main {


	public static void main (String[] args) throws java.lang.Exception {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		StringTokenizer st;
		
		int n = Integer.parseInt(br.readLine());
		
		int arr [] = new int[n];
		
		st = new StringTokenizer(br.readLine());
		for(int i=0;i<n;i++) {
			arr[i] = Integer.parseInt(st.nextToken());
		}
		
		Arrays.sort(arr);
		
		for(int i=1;i<n;i++) {
			arr[i] = arr[i] + arr[i-1];
		}
		
		int sum = 0;
		for(int i=0;i<n;i++) {
			sum += arr[i];
		}
		System.out.print(sum);
		
	}		
	
	
}