def solution(n):
 answer = ''
 while n:
 if n % 3:
 answer += str(n % 3)
 n //= 3
 else:
 answer += "4"
 n = n//3 - 1
 return answer[::-1]

{
 "probId": "12899",
 "author": "jiseung",
 "lang": "JavaScript",
 "createdAt": 1679484437237
}