Compilare: main.cpp: In function 'int bfs(int)': main.cpp:25:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 25 | for(int i=0;i<la[q.front()].v.size();i++) | ~^~~~~~~~~~~~~~~~~~~~~~~ main.cpp:34:1: warning: no return statement in function returning non-void [-Wreturn-type] 34 | } | ^