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: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:298:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 298 | 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:347:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 347 | 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:377:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 377 | for (int i = 0; i < connections.size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::apm()': main.cpp:470:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<MuchieCost>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 470 | for (int i = 0; i < muchii_arbore.size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::dijkstra()': main.cpp:570:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 570 | for (int i = 0; i < lista[init].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::bellman_ford()': main.cpp:641:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 641 | for (int i = 0; i < lista[u].size(); i++) { | ~~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'std::vector<int> Graf::bfs_vizit(int)': main.cpp:778:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 778 | for (int i = 0; i < lista[x].size(); i++) { | ~~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'bool Graf::bfs_flux(int, int, std::vector<std::vector<int> >&, std::vector<int>&)': main.cpp:861:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 861 | for (int i = 0; i < lista[x].size(); i++) { | ~~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::graf_eulerian()': main.cpp:964:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 964 | for (int i = 0; i < v.size(); i++) {