foo.cc: In function ‘int SearchCount(std::string&, std::string&)’:
foo.cc:7:18: warning: comparison of integer expressions of different signedness: ‘int’ and ‘std::__cxx11::basic_string<char>::size_type’ {aka ‘long unsigned int’} [-Wsign-compare]
    7 |     for(int i=0;i<ori.length();i++)
      |                 ~^~~~~~~~~~~~~
foo.cc:11:26: 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 j=0;j<sub.length();j++,t++)
      |                         ~^~~~~~~~~~~~~
foo.cc:12:21: warning: comparison of integer expressions of different signedness: ‘int’ and ‘std::__cxx11::basic_string<char>::size_type’ {aka ‘long unsigned int’} [-Wsign-compare]
   12 |                 if(t>=ori.length() || sub[j]!=ori[t])
      |                    ~^~~~~~~~~~~~~~