Compilare: main.cpp: In member function 'void Graf::afisare_biconex()': main.cpp:214:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::set<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 214 | for(int i=0; i<biconexe.size(); i++) | ~^~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::citireBFS(int&)': main.cpp:85:20: warning: iteration 100000 invokes undefined behavior [-Waggressive-loop-optimizations] 85 | vizitat[i] = -1; | ~~~~~~~~~~~^~~~ main.cpp:84:23: note: within this loop 84 | for (int i = 1; i <= maxi; i++) | ^