Compilare: main.cpp: In function 'int main()': main.cpp:30:27: 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 < p.size() and p[i] * p[i] <= b; i++) | ~~^~~~~~~~~~