Compilare: main.cpp: In constructor 'Flow::Flow(int, int, int)': main.cpp:19:27: warning: 'Flow::g' will be initialized after [-Wreorder] 19 | vector <vector <int>> g; | ^ main.cpp:18:23: warning: 'std::vector<int> Flow::rem' [-Wreorder] 18 | vector <int> lvl, rem; | ^~~ main.cpp:22:5: warning: when initialized here [-Wreorder] 22 | Flow(int _n, int S, int T) : n(_n), s(S), t(T), k(0), lvl(n + 1), g(n + 1), rem(n + 1) {} | ^~~~ main.cpp: In member function 'int Flow::dfs(int, int)': main.cpp:45:36: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 45 | for(int& cid = rem[u]; cid < g[u].size(); cid++) { | ~~~~^~~~~~~~~~~~~