Compilare: main.cpp: In function 'int main()': main.cpp:59:24: warning: comparison of integer expressions of different signedness: 'std::vector<Point>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 59 | if (hull.size()>=t) | ~~~~~~~~~~~^~~ main.cpp:60:30: warning: comparison of integer expressions of different signedness: 'std::vector<Point>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 60 | while(hull.size()>=t && crossProduct(hull[hull.size()-2],hull[hull.size()-1],points[i])<=0) | ~~~~~~~~~~~^~~ main.cpp:67:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Point>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 67 | for (int i=0; i<hull.size(); i++) | ~^~~~~~~~~~~~