Compilare: main.cpp: In function 'void bfs(int)': main.cpp:30:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 30 | for (int i = 0; i < vecini[p].size(); i++) | ~~^~~~~~~~~~~~~~~~~~ main.cpp:25:9: warning: variable 'ok' set but not used [-Wunused-but-set-variable] 25 | int ok = 0; | ^~ main.cpp: In function 'int main()': main.cpp:95:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 95 | for(int i = 0; i < vecini[p].size(); i++) | ~~^~~~~~~~~~~~~~~~~~