foo.cc: In function 'int main()':
foo.cc:13:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 |         for(int i=0,j=0;i<s.size();i++)
      |                         ~^~~~~~~~~
foo.cc:16:37: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   16 |                 while(s[ii]==t[j]&&j<t.size())
      |                                    ~^~~~~~~~~
foo.cc:19:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |                         if(ii>=s.size()) ii-=s.size();
      |                            ~~^~~~~~~~~~
foo.cc:21:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |                 if(j==t.size())
      |                    ~^~~~~~~~~~

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