[알고리즘] 프로그래머스(Level 1) - 3진법 뒤집기(Java)

 

class Solution{
    public int solution(int n){
        int answer = 0;

        String temp = "";
        while(n!=0){
            int num = n%3;
            temp += Integer.toString(num);
            n /= 3;
        }
        answer = Integer.parseInt(temp, 3);
        return answer;
    }
}