foo.cc: In function 'int main()':
foo.cc:23:42: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   23 |                 while (s.find(scheck, p) != -1){
      |                        ~~~~~~~~~~~~~~~~~~^~~~~
foo.cc:39:47: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   39 |                         if (sout.find(scheck) == -1)
      |                             ~~~~~~~~~~~~~~~~~~^~~~~

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