题解 | #明明的随机数#

import java.util.*;
import java.util.stream.Collectors;

/**
 * @Auther: hyk
 * @Date: 2024/7/14 19:05
 * @Description: PACKAGE_NAME
 * @Vesion: 1.0
 */
public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int n = 0;
        if(in.hasNextInt()){
             n = in.nextInt();
             if(n>=1 ||n<=1000){
                 Set<Integer> setInt = new HashSet<>();

                 //Random rd = new Random();
                 for (int i = 0; i < n; i++) {
                     setInt.add(in.nextInt());

                 }
                 List<Integer> ls = new ArrayList<>(setInt);
                 Collections.sort(ls);
                 for (int i = 0; i < ls.size(); i++) {
                     System.out.println(ls.get(i));
                 }
             }
            else{
                 System.out.println("输入个数的N非1≤n≤1000");
             }
        }

    }
}