蔚来8.28笔试java

import javax.sound.midi.Soundbank;
import java.util.*;


public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        ArrayList<String> list = new ArrayList<>();
        while (sc.hasNext()){
            String cur = sc.next();
            if(cur=="0") {

                break;
            }
            Long mul = 1L;
            Long num = Long.parseLong(cur);

            Long res = 1L;
            while(true){
                res = num*mul;
                String res2 = String.valueOf(res);
                int count =0;
                int i =0;
                boolean b =false;
                while(i<res2.length()-1){
                    if(count>1) break;



                    if(res2.charAt(i)!=res2.charAt(i+1)){
                        count++;
                    }
                    if(i==res2.length()-2 && count==1 ) b = true;
                    i++;

                }
                if(b){
                    list.add(cur+":"+res);
                    System.out.println(cur+":"+res);
                    break;
                }
                mul++;
            }
        }
        sc.close();
        for (int i = 0; i < list.size(); i++) {
            System.out.println(list.get(i));
        }

    }
}