Compilare: main.cpp: In static member function 'static bool Graph::find_augumentation_path(std::vector<std::vector<int> >&, std::vector<int>&, std::vector<int>&, std::vector<int>&)': main.cpp:402:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 402 | for(int i = 1; i <= left.size(); i++) | ~~^~~~~~~~~~~~~~ main.cpp: In member function 'void UnorientedGraph::euler_infoarena(std::string, std::string)': main.cpp:785:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 785 | for(int i = 0; i < cycle.size() - 1; ++i) | ~~^~~~~~~~~~~~~~~~~~