题解 | #明明的随机数#
https://www.nowcoder.com/practice/3245215fffb84b7b81285493eae92ff0
import java.util.Scanner;
import java.util.Set;
import java.util.TreeSet;
/**
* @author numberone
* @version 1.0
* @description: TODO
* @name: HJ3
*/
public class Main {
public static void main(String[] args) {
Scanner sc = new Scanner ( System.in );
while (sc.hasNext ()){
int num = sc.nextInt ();
Set<Integer> set = new TreeSet <> ();
for (int i = 0; i < num; i++) {
set.add ( sc.nextInt () );
}
handle ( set );
}
}
public static void handle(Set<Integer> set) {
for (Integer n:set) {
System.out.println (n);
}
}
}

