题解 | #明明的随机数#

import java.util.Scanner;
import java.util.Arrays;
import java.util.List;
 
public class Main
{
    public static void main(String[] args) {
    Scanner scan = new Scanner(System.in);
      while(scan.hasNext()){
         int n = scan.nextInt();
         int[] list = new  int[n];
         for(int m=0;m<n;m++){
             list[m] = scan.nextInt();
         }
         
          Arrays.sort(list);
          System.out.println(list[0]);
          
          for(int i=1; i<list.length;i++){
              if(list[i] != list[i-1]){
                  System.out.println(list[i]);
              }
              
          }
          
          
      }
       
        
    }
}