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); } } }