Compilare: main.cpp: In function 'int main()': main.cpp:30:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 30 | for(int j = 10; j < querry.size(); j++){ | ~~^~~~~~~~~~~~~~~ main.cpp:29:14: warning: unused variable 'ok' [-Wunused-variable] 29 | bool ok = true; | ^~