프로그래머스) 124나라의 숫자 (Java & Python)

https://school.programmers.co.kr/learn/courses/30/lessons/12899

프로그래머스

 

나의 풀이(Java)

import java.util.*;
class Solution {
    public String solution(int n) {
        
        String answer = "";
        String[] numbers = {"4","1","2"};

        
        while(n>0){
            answer+=numbers[n%3];
            if (n%3==0){--n;}
            n=n/3;
        }
        System.out.println(answer);
        StringBuffer sb = new StringBuffer(answer);
        sb.reverse();
        return sb.toString();
    }
}

나의풀이(python)

def solution(n):
    answer = ''
    numbers = "4","1","2"
    while(n>0):
        answer += numbers[n%3]
        if(n%3==0): n=n-1
        n=n//3
        
    return answer[::-1]