Compilare: main.cpp: In function 'void bfs(int, int)': main.cpp:28:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 28 | for(int j=0;j<G[nod].size();j++) | ~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:43:17: warning: unused variable 'cc' [-Wunused-variable] 43 | int n,m,u,v,cc,i; | ^~