Compilare: main.cpp: In constructor 'Graf_orientat::Graf_orientat(int, int, std::vector<std::vector<int> >, std::vector<std::vector<int> >)': main.cpp:66:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 66 | for (int i = 0; i < Lista_de_adiacenta.size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:67:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 67 | for (int j = 0; j < Lista_de_adiacenta[i].size(); j++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:76:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 76 | for (int i = 0; i < Lista_de_adiacenta.size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:77:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 77 | for (int j = 0; j < Lista_de_adiacenta[i].size(); j++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'virtual void Graf_orientat::afisare(std::ostream&)': main.cpp:99:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 99 | for (int i = 1; i < Lista_de_adiacenta.size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:101:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 101 | for (int j = 0; j < Lista_de_adiacenta[i].size(); j++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In constructor 'Graf_neorientat::Graf_neorientat(int, int, std::vector<std::vector<int> >, std::vector<std::vector<int> >)': main.cpp:162:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 162 | for (int i = 0; i < Lista_de_adiacenta.size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:163:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 163 | for (int j = 0; j < Lista_de_adiacenta[i].size(); j++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:172:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 172 | for (int i = 0; i < Lista_de_adiacenta.size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ 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 j = 0; j < Lista_de_adiacenta[i].size(); j++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'virtual void Graf_neorientat::afisare(std::ostream&)': main.cpp:204:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 204 | for (int i = 0; i < Lista_de_adiacenta.size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:206:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 206 | for (int j = 0; j < Lista_de_adiacenta[i].size(); j++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'std::vector<int> Graf_orientat::BFS(int) const': main.cpp:237:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 237 | for (int i = 0; i < Lista_de_adiacenta[primul_nod_din_coada].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf_neorientat::DFS(int, std::vector<int>&) const': main.cpp:252:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 252 | for (int i = 0; i < Lista_de_adiacenta[Nod_start].size(); i++)///parcurgem vecinii nodului | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf_neorientat::Afla_noduri_critice(int, std::vector<int>&, std::vector<int>&, std::vector<int>&, std::vector<int>&, std::vector<int>&) const': main.cpp:284:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]