Compilare: main.cpp: In function 'bool este(int)': main.cpp:15:18: 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] 15 | for(ll i=0; i<H[x%10].size(); i++) | ~^~~~~~~~~~~~~~~ main.cpp: In function 'void sterge(int)': main.cpp:24:18: 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] 24 | for(ll i=0; i<H[x%10].size(); i++) | ~^~~~~~~~~~~~~~~