Compilare: main.cpp: In member function 'void Graf::sortareTopologicaDF(int)': main.cpp:317:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 317 | for (int j = 0; j < adiacenta[i].size(); j++) | ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp:328:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 328 | for (int i = 0; i < adiacenta[varf].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::afisare_biconex()': main.cpp:412:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::unordered_set<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 412 | for(int i=0; i<biconexe.size(); i++) | ~^~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::citireBFS(int&)': main.cpp:91:20: warning: iteration 100000 invokes undefined behavior [-Waggressive-loop-optimizations] 91 | vizitat[i] = -1; | ~~~~~~~~~~~^~~~ main.cpp:90:23: note: within this loop 90 | for (int i = 1; i <= maxi; i++) | ^