Compilare: main.cpp: In member function 'void Graf::dfs(int, std::vector<int>&)': main.cpp:94:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 94 | for (int i = 0; i < lista[x].size(); i++) { | ~~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::bfs()': main.cpp:173:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 173 | for (int i = 0; i < lista[x].size(); i++) { | ~~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::dfs_topologic(int, std::vector<int>&, std::vector<int>&)': main.cpp:226:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 226 | for (int i = 0; i < lista[x].size(); i++) { | ~~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::HavelHakimi()': main.cpp:300:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 300 | if (fst > v.size()) { break; } | ~~~~^~~~~~~~~~ main.cpp:303:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 303 | for (int i = 0; i < v.size(); i++) { | ~~^~~~~~~~~~ main.cpp: In member function 'void Graf::df(int, std::vector<int>&, std::vector<int>&, std::vector<int>&, std::vector<std::vector<int> >, std::vector<std::vector<int> >&)': main.cpp:353:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 353 | for (int j = 0; j < lista[i].size(); j++) { | ~~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'std::vector<std::vector<int> > Graf::criticalConnections(int, std::vector<std::vector<int> >&)': main.cpp:383:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 383 | for (int i = 0; i < connections.size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::apm()': main.cpp:476:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<MuchieCost>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 476 | for (int i = 0; i < muchii_arbore.size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::dijkstra()': main.cpp:576:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 576 | for (int i = 0; i < lista[init].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::bellman_ford()': main.cpp:647:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 647 | for (int i = 0; i < lista[u].size(); i++) { | ~~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'std::vector<int> Graf::bfs_vizit(int)': 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 < lista[x].size(); i++) { | ~~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::diametru_arbore()': main.cpp:817:29: warning: 'nod_maxi' may be used uninitialized in this function [-Wmaybe-uninitialized] 817 | vizit = bfs_vizit(nod_maxi); | ^