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:76:21: 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:77:22: 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:164:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 164 | for (int i = 0; i < Lista_de_adiacenta.size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:165:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 165 | for (int j = 0; j < Lista_de_adiacenta[i].size(); j++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:174:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 174 | for (int i = 0; i < Lista_de_adiacenta.size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:175:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 175 | 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:206:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 206 | for (int i = 1; i <Lista_de_adiacenta.size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:208:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 208 | 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:239:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 239 | 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:254:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 254 | 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:286:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]