Compilare: main.cpp: In function 'int main()': main.cpp:38:26: warning: comparison of integer expressions of different signedness: 'std::vector<Point>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare] 38 | while (st.size() > st_size && cross_product(st[st.size()-2], st[st.size()-1], points[i]) <= precizie) //verificam sa fie destule puncte in stiva, calculam produsul vectorial si comparam cu precizia | ~~~~~~~~~~^~~~~~~~~ main.cpp:45:29: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<Point>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 45 | for (long long i = 0; i < st.size(); i++) { | ~~^~~~~~~~~~~