Compilare: main.cpp: In function 'long long int query(long long int)': main.cpp:41:12: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 41 | while(p<slope.size()-1 && slope[p]*x+yb[p]>slope[p+1]*x+yb[p+1]) | ~^~~~~~~~~~~~~~~