2020年快手校招JAVA岗笔试第二题

 

解题代码

import java.util.HashSet;
import java.util.Scanner;
import java.util.Set;


public class Main {

    public static void main(String[] args) {


        Scanner scanner = new Scanner(System.in);
        int num = scanner.nextInt();
        for(int n = 0 ;n set = new HashSet<>();

            while (i !=1){

                String s =String.valueOf(i);
                int sum = 0;
                for(int j = 0;j