/in/foo.cc: In function 'int main()':
/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[maxx].size();i+
      |                     ~^~~~~~~~~~~~~~~
/in/foo.cc:25:10: error: expected primary-expression before ')' token
   25 |         +)
      |          ^