Eroare de compilare: main.cpp: In function 'int main()': main.cpp:43:17: error: 'std::__cxx11::string {aka class std::__cxx11::basic_string<char>}' has no member named 'pop'; did you mean 'copy'? rez.pop(); ^~~ main.cpp:46:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(rez.size()!=len) ~~~~~~~~~~^~~~~ main.cpp:52:17: error: 'i' was not declared in this scope for(i=rez.size()-1;i>=1;i--) ^ main.cpp:63:21: error: 'i' was not declared in this scope for(i=1;i<rez.size();i++) ^ main.cpp:65:21: error: 'std::__cxx11::string {aka class std::__cxx11::basic_string<char>}' has no member named 'pop'; did you mean 'copy'? rez.pop(); ^~~ Non zero exit status: 1