Compilare: main.cpp: In member function 'void Graf::dfs_rec(int)': main.cpp:344:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 344 | for(int i=0; i<la[x].size(); ++i) | ~^~~~~~~~~~~~~ main.cpp: In member function 'std::vector<int> Graf::bfs_distante(int)': main.cpp:404:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 404 | for(int i=0; i<la[x].size(); ++i) | ~^~~~~~~~~~~~~ main.cpp: In member function 'std::vector<int> Graf::bfs(int)': main.cpp:435:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 435 | for(int i=0; i<la[x].size(); ++i) | ~^~~~~~~~~~~~~ main.cpp: In member function 'std::vector<int> Graf::SortareTop()': main.cpp:462:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 462 | for(int j=0; j<la[i].size(); ++j) | ~^~~~~~~~~~~~~ main.cpp:482:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 482 | for(int i=0; i<la[x].size(); ++i) | ~^~~~~~~~~~~~~ main.cpp: In member function 'void Graf::dfs_bcx(int, int, std::vector<int>&, std::vector<int>&, std::stack<Graf::muchie>&, int&, std::vector<std::set<int> >&, std::vector<bool>&)': main.cpp:504:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 504 | for(int i=0; i<la[x].size(); ++i) | ~^~~~~~~~~~~~~ main.cpp: In member function 'void Graf::dfs_mc(int, int, std::vector<int>&, std::vector<int>&, int&, std::vector<std::vector<int> >&, std::vector<bool>&)': main.cpp:591:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 591 | for(int i=0; i<la[x].size(); ++i) | ~^~~~~~~~~~~~~ main.cpp: In member function 'void Graf::dfs_ctc(int, std::vector<int>&, std::vector<int>&, std::stack<int>&, std::set<int>&, int&, std::vector<std::set<int> >&, std::vector<bool>&)': main.cpp:660:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 660 | for(int i=0; i<la[x].size(); ++i) | ~^~~~~~~~~~~~~ main.cpp: In member function 'std::vector<int> Graf::Dijkstra(int)': main.cpp:813:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<arc>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 813 | for(int i=0; i<la_arce[s].size(); ++i) | ~^~~~~~~~~~~~~~~~~~ main.cpp:827:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<arc>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 827 | for(int i=0; i<la_arce[ac.y].size(); ++i) | ~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'std::vector<int> Graf::BellmanFord(int)': main.cpp:892:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<arc>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 892 | for (int j = 0; j < la_arce[u].size(); ++j) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'std::vector<std::vector<int> > Graf::RoyFloyd()': main.cpp:935:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<arc>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 935 | for(int j=0; j<la_arce[i].size(); ++j) | ~^~~~~~~~~~~~~~~~~~ main.cpp: In member function 'bool Graf::bfs_maxflow(int, int)': main.cpp:980:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 980 | for(int i=0; i<la[x].size(); ++i) | ~^~~~~~~~~~~~~