Compilare: main.cpp: In function 'll dfs(int, std::vector<std::vector<int> >&, std::vector<long long int>&, int)': main.cpp:19:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int h = 0; h < g[node].size(); h++) { ~~^~~~~~~~~~~~~~~~ main.cpp:28:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < aux.size(); i++) ~~^~~~~~~~~~~~