Compilare: main.cpp: In function 'void bfs(int)': main.cpp:23:27: 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:71:16: warning: unused variable 'f' [-Wunused-variable] 71 | int i = 1, f = m; | ^