Compilare: main.cpp: In function 'void bfs1(int)': main.cpp:18:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 18 | for(int i=0;i<lista[nod].size();i++) | ~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:47:22: warning: variable 'nod' set but not used [-Wunused-but-set-variable] 47 | int maxim=-1,nod; | ^~~