Compilare: main.cpp: In function 'void Update(int, int)': main.cpp:243:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::map<int, bool>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 243 | for(; i <= ok.size() + 1 ; i += lsb(i)) | ~~^~~~~~~~~~~~~~~~