message: supporting long long input in criteo2hugectr.cpp
diff: @@ -150,7 +150,7 @@ int main(int argc, char* argv[]){
  data_writer.append(reinterpret_cast<char*>(&KEYS_WIDE_MODEL), sizeof(int));
  for(int j = dense_dim+label_dim; j < KEYS_WIDE_MODEL+dense_dim+label_dim; j++){
  - T key = static_cast<T>(std::stoi(vec_string[j]));
  + T key = static_cast<T>(std::stoll(vec_string[j]));
  data_writer.append(reinterpret_cast<char*>(&key), sizeof(T));
  #ifndef NDEBUG
  std::cout << key << ',';
  @@ -158,7 +158,7 @@ int main(int argc, char* argv[]){
  }
  int nnz = 1;
  for(int j = KEYS_WIDE_MODEL+dense_dim+label_dim; j < KEYS_WIDE_MODEL+KEYS_DENSE_MODEL+dense_dim+label_dim; j++){
  - T key = static_cast<T>(std::stoi(vec_string[j]));
  + T key = static_cast<T>(std::stoll(vec_string[j]));
  data_writer.append(reinterpret_cast<char*>(&nnz), sizeof(int));
  data_writer.append(reinterpret_cast<char*>(&key), sizeof(T));
  #ifndef NDEBUG
  