Compilare: main.cpp: In function 'int main()': main.cpp:39:24: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 39 | if (vecini[i].size() >= k) // adaugam in coada varfurile care au grad cel putin k | ~~~~~~~~~~~~~~~~~^~~~ main.cpp:61:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 61 | for (int i = 0; i < vecini[u].size(); i++) // verificam cati dintre vecinii sai se afla in coada deja si daca are cel putin k vecini in coada il afisam | ~~^~~~~~~~~~~~~~~~~~ main.cpp:77:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 77 | for (int i = 0; i < de_afisat.size(); i++) | ~~^~~~~~~~~~~~~~~~~~