Compilare: main.cpp: In function 'int bfs()': main.cpp:48:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 48 | for (int i = 0; i< graf[nod].size(); i++) | ~^~~~~~~~~~~~~~~~~~ main.cpp:42:9: warning: unused variable 'gasit' [-Wunused-variable] 42 | int gasit = 0; | ^~~~~ main.cpp: In function 'int main()': main.cpp:102:12: warning: unused variable 'prod' [-Wunused-variable] 102 | int i, prod,j, mag; | ^~~~ main.cpp:102:20: warning: unused variable 'mag' [-Wunused-variable] 102 | int i, prod,j, mag; | ^~~