Compilare: main.cpp: In function 'void bfs(int)': main.cpp:23:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 23 | for(int i=0; i<adiacenta[oras_actual].size(); i++) | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:71:11: warning: unused variable 'f' [-Wunused-variable] 71 | int i=1, f=m; | ^