Palindrome Integer

/* Determine whether an integer is a palindrome. Do this without extra space.

A palindrome integer is an integer x for which reverse(x) = x where reverse(x) is x with its digit reversed.
Negative numbers are not palindromic.
*/

 #include <iostream>  
 using namespace std;  
 bool isPalindrome(int N){  
   if(N < 0){  
     return false;  
   }  
   int temp = N;  
   int reversed = 0;  
   while(temp > 0){  
     reversed = 10 * reversed + temp % 10;  
     temp = temp / 10;  
   }  
   return reversed == N;  
 }  
 int main(){  
   int N = 1001001;  
   if(isPalindrome(N)){  
     cout << "Yes" << endl;  
   }else{  
     cout << "No" << endl;  
   }  
   return 0;  
 }