题解 | #升序或降序进行排序#

import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);

        int n = in.nextInt();
        
        Integer[] a = new Integer[n];
        
        for(int i=0;i<n;i++){
        	a[i] = in.nextInt();
        }
        
        Arrays.sort(a);
        
        if(in.nextInt() == 0){
        	for(int i=0;i<n;i++){
            	System.out.print(a[i]+" ");
            }
        }else{
        	List<Integer> list = Arrays.asList(a);
            Collections.reverse(list);
            
            for(int i=0;i<n;i++){
            	System.out.print(list.get(i)+" ");
            }
        }
        
        
        
        
        in.close();
    }
}