Compilare: main.cpp: In member function 'int Graph::edmonds_karp()': main.cpp:161:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 161 | for(int i = 0; i < this->m_graph_adjacency_list[this->m_graph_nodes].size(); i++){ | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'int Graph::minimum_length_BFS(std::vector<std::vector<int> >&, std::vector<int>&, std::vector<int>&)': main.cpp:225:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 225 | for(int j = 0; j < this->m_graph_adjacency_list.size(); j++){ | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:256:29: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings] 256 | g.read_transport_routes("../maxflow.in"); | ^~~~~~~~~~~~~~~