Given a signed 32-bit integer
x
, returnx
with its digits reversed. If reversingx
causes the value to go outside the signed 32-bit integer range[-231, 231 - 1]
, then return0
. Assume the environment does not allow you to store 64-bit integers (signed or unsigned).
Example 1:
Input: x = 123
Output: 321
Example 2:
Input: x = -123
Output: -321
[문돌이의IT] 자바(Java) 변수 타입 별 최대, 최소값 확인하기
<aside> 💡 입력 정수를 StringBuilder로 변환하여 reverse 함수를 이용하였다.
</aside>