Eroare de compilare: user.cpp: In function ‘void dfs(int)’: user.cpp:14:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<graph[node].size();i++) ^ user.cpp: In function ‘int main()’: user.cpp:42:5: error: ‘fout’ is not a member of ‘std’ std::fout<<con; ^ user.cpp:42:5: note: suggested alternative: user.cpp:6:10: note: ‘fout’ ofstream fout("dfs.out"); ^