Compilare: main.cpp: In constructor 'Graph::Graph(int)': main.cpp:12:25: warning: 'Graph::adj' will be initialized after [-Wreorder] vector<vector<int>> adj; ^~~ main.cpp:11:31: warning: 'std::vector<std::vector<long long int> > Graph::cap' [-Wreorder] vector<vector<long long>> cap; ^~~ main.cpp:14:5: warning: when initialized here [-Wreorder] Graph(int n) : n(n), adj(n), ^~~~~ main.cpp: In member function 'std::vector<long long int> Graph::ek_iter()': main.cpp:79:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0 ; i < dest_childs.size(); i++) ~~^~~~~~~~~~~~~~~~~~~~