Compilare: main.cpp: In function 'void bfs(int, int*)': main.cpp:19:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 19 | for(int i=0; i<lista[coada[inc]].size();i++){ | ~^~~~~~~~~~~~~~~~~~~~~~~~~