题解 | #输入整型数组和排序标识

import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner in=new Scanner(System.in);
        while(in.hasNext()){
            int n=in.nextInt();
            List<Integer> list=new ArrayList();
            for(int i=0;i<n;i++){
                list.add(in.nextInt());
            }
            int order=in.nextInt();
            //升序
            if(order==0){
                Collections.sort(list);
                for(int j=0;j<list.size();j++){
                    System.out.print(list.get(j)+" ");
                }
                //降序
            }else if(order==1){
                Collections.sort(list);
                Collections.reverse(list);
                for(int j=0;j<list.size();j++){
                    System.out.print(list.get(j)+" ");
                }
            }
        }
        }
    }