[백준] - #11399: ATM

문제 출처 : https://www.acmicpc.net/

 

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#11399: ATM (언어 : Java11)

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제출 답안

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;
import java.util.StringTokenizer;

public class Main {
	public static void main(String[] args) throws NumberFormatException, IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		int result = 0;
		List<Integer> p = new ArrayList<Integer>();
		
		int num = Integer.parseInt(br.readLine());
		StringTokenizer stk = new StringTokenizer(br.readLine());
		
		for(int i=0; i<num; i++) {
			p.add(Integer.parseInt(stk.nextToken()));
		}
		p.sort(null);
		
		for(int i=0; i<p.size(); i++) {
			result += p.get(i)*(num-i);
		}
		System.out.println(result);
        br.close();
	}
}

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comment

- 아 atm 혼자쓰나~