Compilare: main.cpp: In function 'int main()': main.cpp:46:23: warning: comparison of integer expressions of different signedness: 'std::vector<pct>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 46 | while(h.size()>k && sens(h[h.size()-2],h[h.size()-1],p[i])<=0) | ~~~~~~~~^~ main.cpp:56:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<pct>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 56 | for(int i=0;i<h.size();i++) | ~^~~~~~~~~