Eroare de compilare: user.cpp: In function ‘void Read()’: user.cpp:25:29: warning: right operand of comma operator has no effect [-Wunused-value] int a,b; fin>>a,b; ^ user.cpp: In function ‘void DFS(int)’: user.cpp:33:9: error: ‘Nod’ was not declared in this scope Use[Nod] = 1; ^ user.cpp:37:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0 ; i < V[nod].size() ; ++i) ^