Compilare: user.cpp: In function ‘void Dfs(int)’: user.cpp:29:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<lista[nod].size(); i++) ^ user.cpp: In function ‘void TDfs(int)’: user.cpp:39:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<transp[nod].size(); i++) ^ user.cpp: In function ‘int main()’: user.cpp:62:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0; j<comp[i].size(); j++) ^