Compilare: main.cpp: In member function 'bool Dinic::bfs()': main.cpp:45:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 45 | for (int i=0;i<v[now].size();i++){ | ~^~~~~~~~~~~~~~ main.cpp: In member function 'int Dinic::dfs(int, int)': main.cpp:62:25: 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] 62 | for (;last[node]<v[node].size();last[node]++){ main.cpp: In member function 'int Dinic::solve()': main.cpp:90:5: warning: no return statement in function returning non-void [-Wreturn-type] 90 | } | ^