/in/foo.cc: In function 'int main()':
/in/foo.cc:18:26: warning: the address of 'degree' will never be NULL [-Waddress]
   18 |                 if(degree==0)
      |                    ~~~~~~^~~
/in/foo.cc:3:9: note: 'degree' declared here
    3 | int n,m,degree[101];
      |         ^~~~~~
/in/foo.cc:27:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |         for(int i=1;i<=g[maxx].size();i++)
      |                     ~^~~~~~~~~~~~~~~~