Compilare: main.cpp: In function 'void DFS(int)': main.cpp:18:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<G[x].size();++i) ~^~~~~~~~~~~~ main.cpp: In function 'void Do()': main.cpp:37:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<S.size();i++) ~^~~~~~~~~ main.cpp:41:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<G[curent].size();j++) //iau toti vecinii ~^~~~~~~~~~~~~~~~~