Compilare: main.cpp: In function 'void bfs(int, int)': main.cpp:25:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 25 | for(j=0; j<graf[nod].size(); j++) | ~^~~~~~~~~~~~~~~~~ main.cpp:41:6: warning: value computed is not used [-Wunused-value] 41 | g<<costminim[N];