运行 ID: 48628

Main.cc: In function ‘int main()’:
Main.cc:7:10: error: cannot convert ‘std::__cxx11::basic_string::size’ from type ‘std::__cxx11::basic_string::size_type (std::__cxx11::basic_string::)() const noexcept {aka long unsigned int (std::__cxx11::basic_string::)() const noexcept}’ to type ‘int’
  int l=s.size;
          ^~~~