Compilare: main.cpp: In member function 'void Graf::DFS(int, std::vector<int>&)': main.cpp:39:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 39 | for (int i = 0; i < lista[q].size(); i++) | ~~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::BFS()': main.cpp:85:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 85 | for (int i = 0; i < lista[coada[x]].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::HH()': main.cpp:114:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 114 | if (v > vector.size()) | ~~^~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::DFS_2(int, std::vector<int>&, std::vector<int>&)': main.cpp:184:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 184 | for (int i = 0; i < lista[q].size(); i++) | ~~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'std::vector<std::vector<int> > Graf::criticalConnections(int, std::vector<std::vector<int> >&)': main.cpp:234:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 234 | for (int i = 0; i < connections.size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::BF()': main.cpp:425:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 425 | for (int i = 0; i < adiacenta[x].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::DFS_arbore(int, int)': main.cpp:538:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 538 | for (int i = 0; i < adiacenta[nod].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::afisare_Euler()': main.cpp:684:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 684 | for (int i = 1; i < ciclu_euler.size() - 1; i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~