Palindrome Number(回文数字)

Palindrome Number

bool isPalindrome(int x) {
if(x < 0) return false;
int base = 1;
while(x/base >= 10) base = base*10;
while(x){
int leftdigit = x/base;
int rightdigit = x%10;
if(leftdigit != rightdigit)
return false;
x -= leftdigit*base;
x = x/10;
base = base/100;
}
return true;
}