static boolean isPalindrome ( int n ) {
  int divisor = 1 ;
  while ( n / divisor >= 10 ) divisor *= 10 ;
  while ( n != 0 ) {
    int leading = n / divisor ;
    int trailing = n % 10 ;
    if ( leading != trailing ) return false ;
    n = ( n % divisor ) / 10 ;
    divisor = divisor / 100 ;
  }
  return true ;
}

static boolean isPalindrome ( int n ) { int divisor = 1 ; while ( n / divisor >= 10 ) divisor *= 10 ; while ( n != 0 ) { int leading = n / divisor ; int trailing = n % 10 ; if ( leading != trailing ) return false ; n = ( n % divisor ) / 10 ; divisor = divisor / 100 ; } return true ; }
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