Compilare: user.cpp: In function ‘void DFS(int)’: user.cpp:29:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<=G[Node].size();++i) ^ user.cpp: In function ‘void Solve()’: user.cpp:50:15: warning: ‘impar’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<par*impar; ^ user.cpp:50:15: warning: ‘par’ may be used uninitialized in this function [-Wmaybe-uninitialized]