题解 | #明明的随机数#

import java.util.Scanner;
import java.util.TreeSet;

/**
 * @ProjectName: leetcode
 * @Package: com.company.niuke
 * @ClassName: Main
 * @Author: Administrator
 * @Description: 牛客网测试
 * @Date: 2022/2/11 20:30
 * @Version: 1.0
 */
public class Main {
    public static void main(String[] args) {
        TreeSet<Integer> set = new TreeSet<>();
        Scanner scanner = new Scanner(System.in);
        while (scanner.hasNext()) {
            int N = scanner.nextInt();
            for (int i = 0; i < N; i++) {
                set.add(scanner.nextInt());
            }
            for (Integer integer : set
            ) {
                System.out.println(integer);  //输出tree中的数据
            }
            set.clear(); //清空
        }

    }
}