[BAEKJOON] 11399. ATM

 

문제링크

www.acmicpc.net/problem/11399

11399번: ATM

 

package acmicpc.Silver3;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Arrays;
import java.util.StringTokenizer;

public class ATM {
	public static void main(String[] args) throws NumberFormatException, IOException {
		
		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 ans = 0;
		for(int a : arr) ans += a;
		
		System.out.println(ans);
	}
}