Compilare: main.cpp: In function 'void bfs(int, int*)': main.cpp:19:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 19 | for(int i=0;i<G[x].size();i++){ | ~^~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:47:8: warning: 'nodd' may be used uninitialized [-Wmaybe-uninitialized] 47 | bfs(nodd,d2); | ~~~^~~~~~~~~ main.cpp:40:9: note: 'nodd' was declared here 40 | int nodd; | ^~~~