Eroare de compilare: main.cpp: In member function 'void graf::criticalConnections(int, int)': main.cpp:205:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 205 | for(int i=0; i<ans.size(); i++) | ~^~~~~~~~~~~ main.cpp: In member function 'void graf::afisare_bic()': main.cpp:273:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 273 | for(int i=0; i<rezultat.size(); i++) | ~^~~~~~~~~~~~~~~~ main.cpp:276:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 276 | for(int i=0; i<rezultat.size(); i++) //pt fiecare componenta biconexa | ~^~~~~~~~~~~~~~~~ main.cpp:278:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 278 | for(int j=0; j<rezultat[i].size(); j++) | ~^~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'bool graf::HavelOK(int, std::vector<int>&)': main.cpp:295:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 295 | if(x>v.size()) | ~^~~~~~~~~ main.cpp: In function 'int main()': main.cpp:357:9: error: redeclaration of 'int N' 357 | int N, q; | ^ main.cpp:310:9: note: 'int N' previously declared here 310 | int N, M, S; | ^ Non zero exit status: 1