Compilare: main.cpp: In member function 'void Graf::dfs(int, std::vector<int>&)': main.cpp:92:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 92 | for (int i = 0; i < lista[x].size(); i++) { | ~~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::bfs()': main.cpp:169:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 169 | 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:222:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 222 | for (int i = 0; i < lista[x].size(); i++) { | ~~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::HavelHakimi()': main.cpp:296:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 296 | if (fst > v.size()) { break; } | ~~~~^~~~~~~~~~ main.cpp:299:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 299 | 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:349:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 349 | 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:379:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 379 | for (int i = 0; i < connections.size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::apm()': main.cpp:472:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<MuchieCost>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 472 | for (int i = 0; i < muchii_arbore.size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::dijkstra()': main.cpp:572:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 572 | for (int i = 0; i < lista[init].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::bellman_ford()': main.cpp:643:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 643 | for (int i = 0; i < lista[u].size(); i++) { | ~~^~~~~~~~~~~~~~~~~