Compilare: main.cpp: In function 'int bfs(int)': main.cpp:43:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<muchie>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 43 | for(int i=0;i<h[nod].size();i++){ | ~^~~~~~~~~~~~~~ main.cpp:53:1: warning: control reaches end of non-void function [-Wreturn-type] 53 | } | ^