백준 2217번 로프 <그리디알고리즘>

https://www.acmicpc.net/problem/2217

2217번: 로프

import java.util.Arrays;
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int n = scan.nextInt();
		int[] weight = new int[n];

		for (int i = 0; i < n; i++) {
			weight[i] = scan.nextInt();
		}
		Arrays.sort(weight);
		
		int max = weight[0]*n;

			for (int i = 1; i < weight.length; i++) {
				if(weight[i]*(weight.length-i) >max) {
					max = weight[i]*(weight.length-i);
				}
			}
			System.out.println(max);

		

	}

}