Compilare: main.cpp: In member function 'void graf::criticalConnections(int, int)': main.cpp:236:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 236 | for(int i=0; i<ans.size(); i++) | ~^~~~~~~~~~~ main.cpp: In member function 'void graf::afisare_bic()': main.cpp:298:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 298 | for(int i=0; i<rezultat.size(); i++) | ~^~~~~~~~~~~~~~~~ main.cpp:301:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 301 | for(int i=0; i<rezultat.size(); i++) //pt fiecare componenta biconexa | ~^~~~~~~~~~~~~~~~ main.cpp:303:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 303 | for(int j=0; j<rezultat[i].size(); j++) | ~^~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'bool graf::HavelOK(int, std::vector<int>&)': main.cpp:320:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 320 | if(x>v.size()) | ~^~~~~~~~~