算法每日一题20190621：回文数

class Solution {
    public boolean isPalindrome(int x) {
        if (x < 0) {
            return false;
        }
        long temp = x;
        long rev = 0;
        while (temp != 0) {
            long prop = temp % 10;
            temp /= 10;
            rev = rev * 10 + prop;
        }
        return x == rev;
    }
}

答案链接