/in/foo.cc: In function 'bool s(std::string, std::string)':
/in/foo.cc:11:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   11 |         for(int i=0;i<a.size();i++)
      |                     ~^~~~~~~~~
/in/foo.cc:25:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |         while(i<shorter.size() and j<longer.size())
      |               ~^~~~~~~~~~~~~~~
/in/foo.cc:25:37: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |         while(i<shorter.size() and j<longer.size())
      |                                    ~^~~~~~~~~~~~~~