题解 | 明明的随机数

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

public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int cnt = in.nextInt();

        Set<Integer> inputNumber = new TreeSet<Integer>();
        for(int i=0; i<cnt; i++){
            while(in.hasNext()){
                inputNumber.add(in.nextInt());
            }
        }
        
        for(int i=0; i<inputNumber.size(); i++){
            System.out.println(inputNumber.toArray()[i]);
        }
    }
}