Compilare: main.cpp: In member function 'void Graf::dfs(int, std::vector<int>&)': main.cpp:95:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 95 | for (int i = 0; i < lista[x].size(); i++) { | ~~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::bfs()': main.cpp:172:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 172 | 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:225:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 225 | for (int i = 0; i < lista[x].size(); i++) { | ~~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::HavelHakimi()': main.cpp:299:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 299 | if (fst > v.size()) { break; } | ~~~~^~~~~~~~~~ main.cpp:302:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 302 | 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:352:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 352 | 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:382:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 382 | for (int i = 0; i < connections.size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::apm()': main.cpp:478:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<MuchieCost>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 478 | for (int i = 0; i < muchii_arbore.size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::dijkstra()': main.cpp:578:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 578 | for (int i = 0; i < lista[init].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::bellman_ford()': main.cpp:649:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 649 | for (int i = 0; i < lista[u].size(); i++) { | ~~^~~~~~~~~~~~~~~~~