Compilare: main.cpp: In member function 'double Dinic::dfs(int, double)': main.cpp:60:28: warning: comparison of integer expressions of different signedness: '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 60 | for (; next_edge[node] < gr[node].size(); ++next_edge[node]) {