Compilare: main.cpp: In function 'void bfs(int)': main.cpp:30:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < graf[nodCrt].size(); i++) ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:68:47: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (!vizitat[i] && graf[i].size() < grad_minim) ~~~~~~~~~~~~~~~^~~~~~~~~~~~