题解 | #输入整型数组和排序标识，对其元素进行排序#

import java.util.*;

public class Main {
    public static void main(String[] args) {
         Scanner sc = new Scanner(System.in);
        int num = sc.nextInt();
        int[] arr = new int[num];
        for (int i = 0; i < num; i++) {
            arr[i] = sc.nextInt();
        }

        Arrays.sort(arr);//升序

        int flag = sc.nextInt();//0-升序，1-降序
        if (flag==0){
            for (int i = 0; i < num; i++) {
                if (i<num-1){
                    System.out.print(arr[i]+" ");
                }else{
                    System.out.print(arr[i]);
                }
            }
        }else if(flag==1){
            for (int i = num-1; i >= 0; i--) {
                if (i>0){
                    System.out.print(arr[i]+" ");
                }else{
                    System.out.print(arr[i]);
                }
            }
        }
    }
}