题解 | #明明的随机数#
明明的随机数
https://www.nowcoder.com/practice/3245215fffb84b7b81285493eae92ff0
import java.util.ArrayList; import java.util.Collections; import java.util.HashSet; import java.util.List; import java.util.Scanner; import java.util.Set; public class Main{ public static void main(String[] args){ Scanner scanner=new Scanner(System.in); Integer num=scanner.nextInt(); Set set=new HashSet(); for(int i=0;i<num;i++){ set.add(scanner.nextInt()); } List array=new ArrayList(set); Collections.sort(array); for(int j=0;j<array.size();j++){ System.out.println(array.get(j)); } } }