Compilare: main.cpp: In member function 'std::vector<std::vector<int> > Graph::biconnectedComponents()': main.cpp:262:1: warning: no return statement in function returning non-void [-Wreturn-type] 262 | } | ^ main.cpp: In function 'int main()': main.cpp:389:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 389 | for(int i = 0; i < SOL.size(); ++i) | ~~^~~~~~~~~~~~ main.cpp:391:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 391 | for(int j = 0; j < SOL[i].size(); ++j) | ~~^~~~~~~~~~~~~~~