Compilare: main.cpp: In function 'void eval()': main.cpp:34:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 34 | while(poz < cuv.size()) | ~~~~^~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:128:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 128 | for(int i=0;i<cuv.size();i++) | ~^~~~~~~~~~~