Compilare: main.cpp: In function 'int main()': main.cpp:16:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 16 | for(int i=0;i<s.size();i++){ | ~^~~~~~~~~ main.cpp:85:20: warning: 'rez' may be used uninitialized in this function [-Wmaybe-uninitialized] 85 | cout<<lit<<" "<<rez<<endl; | ^~~