Compilare: main.cpp: In member function 'void Graf::afisare_biconex()': main.cpp:203:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::unordered_set<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 203 | for (int i = 0; i < biconexe.size(); i++) { | ~~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::citireBFS(int&)': main.cpp:82:20: warning: iteration 100000 invokes undefined behavior [-Waggressive-loop-optimizations] 82 | vizitat[i] = -1; | ~~~~~~~~~~~^~~~ main.cpp:81:23: note: within this loop 81 | for (int i = 1; i <= maxi; i++) | ^