text: #ifndef DAY08_LIB_H
  #define DAY08_LIB_H
  
  #include <string>
  #include <vector>
  
  namespace day08
  {
      size_t calculate_string_overhead(const std::vector<std::string> &input);
      size_t calculate_encoding_overhead(const std::vector<std::string> &input);
  }
  
  #endif