Compilare: main.cpp: In member function 'std::vector<int> Graph::getTopologicalSort()': main.cpp:168:23: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'const int' [-Wsign-compare] 168 | return result.size() == N_NODES ? result : std::vector<int>(); // if cycle => empty | ~~~~~~~~~~~~~~^~~~~~~~~~ main.cpp: In static member function 'static void Graph::getMaxFlowBipartite(int, int, std::vector<std::pair<int, int> >&, int&)': main.cpp:541:12: warning: unused variable 'INF' [-Wunused-variable] 541 | const int INF = 1e9; | ^~~