Compilare: main.cpp: In member function 'bool Flow::bfs()': main.cpp:31:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int it = 0; it < q.size(); ++it) { ~~~^~~~~~~~~~ main.cpp: In constructor 'Flow::Flow(int, int, int)': main.cpp:17:15: warning: 'Flow::n' will be initialized after [-Wreorder] int S, D, n; ^ main.cpp:15:31: warning: 'std::vector<std::vector<int> > Flow::adia' [-Wreorder] vector < vector < int > > adia; ^~~~ main.cpp:69:5: warning: when initialized here [-Wreorder] Flow(int S, int D, int n) : S(S), D(D), n(n), adia(n + 1), tata(n + 1) { } ^~~~