foo.cc: In function 'int Count(std::vector<Loc>&, std::vector<std::__cxx11::basic_string<char> >&)':
foo.cc:39:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Loc>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |         for(int i=0;i<v.size();i++)
      |                     ~^~~~~~~~~
foo.cc:40:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Loc>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |                 for(int j=0;j<nlac.size();j++)
      |                             ~^~~~~~~~~~~~
foo.cc: In function 'std::vector<Loc> Necklaces(std::vector<std::__cxx11::basic_string<char> >&)':
foo.cc:54:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   54 |         for(int i=0;i<M.size();i++)
      |                     ~^~~~~~~~~
foo.cc:55:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   55 |                 for(int j=0;j<M[i].size();j++)
      |                             ~^~~~~~~~~~~~
foo.cc: In function 'bool Search(std::vector<Loc>&, int, int)':
foo.cc:67:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Loc>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   67 |         for(int i=0;i<v.size();i++)
      |                     ~^~~~~~~~~
foo.cc: In function 'void Output(std::vector<Loc>&)':
foo.cc:75:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Loc>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   75 |         for(int i=0;i<v.size();i++)
      |                     ~^~~~~~~~~
foo.cc: In function 'void Output(std::vector<std::__cxx11::basic_string<char> >&)':
foo.cc:82:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   82 |         for(int i=0;i<M.size();i++)
      |                     ~^~~~~~~~~
foo.cc:84:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   84 |                 for(int j=0;j<M[i].size();j++)
      |                             ~^~~~~~~~~~~~
foo.cc: In function 'void Solve(std::vector<std::__cxx11::basic_string<char> >&, int, int, int, int, std::vector<Loc>&)':
foo.cc:99:32: warning: comparison of integer expressions of different signedness: 'std::vector<Loc>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   99 |                 if(Path.size() > sl)
      |                    ~~~~~~~~~~~~^~~~
foo.cc:104:32: warning: comparison of integer expressions of different signedness: 'std::vector<Loc>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
  104 |                 if(Path.size() < sd)
      |                    ~~~~~~~~~~~~^~~~

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