Compilare: main.cpp: In function 'void DFS(int)': main.cpp:24:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0; i<G[Nod].size(); i++) ~^~~~~~~~~~~~~~ main.cpp: In function 'void Read()': main.cpp:16:13: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] int x,y; ^