[BOJ] 백준 11399 ATM

[문제]

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

 

 

[소스 코드]

import java.io.*;
import java.util.*;
public class Main {
    public static void main(String[] args) throws IOException {
    	BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    	StringTokenizer st;
    	int n = Integer.parseInt(br.readLine());
    	int[] p = new int[n];
    	st = new StringTokenizer(br.readLine());
    	for(int i=0;i<n;i++) {
    		p[i] = Integer.parseInt(st.nextToken());
    	}
    	Arrays.sort(p);
    	int result = 0;
    	for(int i=0;i<n;i++) {
    		result += p[i]*(n-i);
    	}
    	System.out.println(result);
    }
}