Compilare: main.cpp: In member function 'int Flow::dfs(int, int)': main.cpp:40:36: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 40 | for(int& cid = rem[u]; cid < g[u].size(); cid++) { | ~~~~^~~~~~~~~~~~~ main.cpp: In constructor 'Flow::Flow(int, int, int)': main.cpp:14:23: warning: 'Flow::rem' will be initialized after [-Wreorder] 14 | vector <int> lvl, rem; | ^~~ main.cpp:13:18: warning: 'int Flow::k' [-Wreorder] 13 | int n, s, t, k; | ^ main.cpp:51:5: warning: when initialized here [-Wreorder] 51 | Flow(int _n, int _s, int _t) : n(_n), s(_s), t(_t), lvl(n + 1, 0), rem(n + 1, 0), k(0), g(n + 1) {} | ^~~~