Compilare: main.cpp: In function 'int main()': main.cpp:30:33: 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 < adj[nod].size();++i) | ~~^~~~~~~~~~~~~~~~~ main.cpp:40:45: warning: comparison of integer expressions of different signedness: 'std::size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 40 | if(b[neigh].count() != bits && !in[neigh]) | ~~~~~~~~~~~~~~~~~^~~~~~~