Compilare: main.cpp: In member function 'int Graph::_flowBfs(const int&, const int&, std::vector<int>&, std::vector<std::vector<int> >&, std::vector<std::vector<int> >&)': main.cpp:515:18: warning: unused variable 'current_flow' [-Wunused-variable] 515 | int current, current_flow,next_flow; | ^~~~~~~~~~~~ main.cpp:515:31: warning: unused variable 'next_flow' [-Wunused-variable] 515 | int current, current_flow,next_flow; | ^~~~~~~~~ main.cpp: In member function 'std::vector<int> Graph::BellmanFord()': main.cpp:759:20: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 759 | if (rez.size() != _nr_vertex + 1) | ~~~~~~~~~~~^~~~~~~~~~~~~~~~~ main.cpp: In function 'void infoarenaBellmanFord()': main.cpp:949:20: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 949 | if (sol.size() != n - 1) | ~~~~~~~~~~~^~~~~~~~