/in/foo.cc: In function 'int main()':
/in/foo.cc:21:31: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   21 |                 if(g[i].size()>Max)
      |                    ~~~~~~~~~~~^~~~
/in/foo.cc:24:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   24 |         for(int i=0;i<g[maxroot].size();i++)
      |                     ~^~~~~~~~~~~~~~~~~~