Compilare: main.cpp: In function 'bool verif(std::__cxx11::string, std::__cxx11::string)': main.cpp:13:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<y.size();i++) ~^~~~~~~~~ main.cpp:20:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(ind==x.size())return 1; ~~~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:29:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(t[i].size()>max1) ~~~~~~~~~~~^~~~~ main.cpp:34:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else if(t[i].size()==max1 && cer>t[i]) ~~~~~~~~~~~^~~~~~