9. Palindrome Number

class Solution {
public:
    bool isPalindrome(int x) {
        if(x<0 || x>2147483648) {
            return false;
        }
        int sum = 0;
        int temp = x;
        while(temp != 0) {
            sum = sum*10 + temp%10;
            temp = temp/10;
        }
        if (sum == x) 
            return true;
        else
            return false;
        
    }
};