아무고토 몰라효

https://leetcode.com/problems/palindrome-number문제Given an integer x, return true if x is a palindrome, and false otherwise.Example 1:Input: x = 121 Output: true Explanation: 121 reads as 121 from left to right and from right to left.Example 2:Input: x = -121 Output: false Explanation: From left to right, it reads -121. From right to left, it becomes 121-. Therefore it is not a palindrome.Example..