Compilare: main.cpp: In function 'bool impartire(ll)': main.cpp:18:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 18 | for(int i=0;i<num.size();i++) | ~^~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:65:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 65 | for(int i=0;i<str.size();i++) | ~^~~~~~~~~~~