Compilare: main.cpp: In function 'void dfs(int)': main.cpp:21:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < G[nod].size(); i++) { ~~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:61:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (aux[j] < ComponenteConexe[j].size() - 1 && i < j) { ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~