Compilare: main.cpp: In function 'int main()': main.cpp:58:25: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 58 | while(ans.size()>t&&arie(v[ans[ans.size()-2]],v[ans[ans.size()-1]],v[i])<=0) | ~~~~~~~~~~^~ main.cpp:66:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 66 | for(int i=0;i<ans.size();i++) | ~^~~~~~~~~~~