Compilare: user.cpp: In function ‘void DFS(int)’: user.cpp:27:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<G[nod].size();i++) ^ user.cpp:37:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<V.size();i++) ^ user.cpp: In function ‘void Delete()’: user.cpp:45:15: warning: suggest parentheses around assignment used as truth value [-Wparentheses] Use[i]=Number[i]=0; ^