foo.cc: In function 'int main()':
foo.cc:12:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 |         for(int i=0;i<s1.size();i++)
      |                     ~^~~~~~~~~~
foo.cc:16:38: 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(s1[t]==s2[j]&&i<s1.size()&&s2.size()) t++,j++;
      |                                     ~^~~~~~~~~~
foo.cc:17:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |                 if(j==s2.size()) res++;
      |                    ~^~~~~~~~~~~

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