Compilare: user.cpp: In member function ‘void Graph::dfs(int)’: user.cpp:31:45: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<AdList[node].size();i++) ^ user.cpp: In function ‘int main()’: user.cpp:73:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v.size();i++) ^