message: Update find-palindrome-with-fixed-length.cpp
diff: class Solution {
  public:
  vector<long long> kthPalindrome(vector<int>& queries, int intLength) {
  - const int64_t max_x = pow(10, (intLength + 1) / 2) - 1;
  + const long long max_x = pow(10, (intLength + 1) / 2) - 1;
  const auto& reverse = [](auto x) {
  decltype(x) result = 0;
  for (; x; x /= 10) {
  