Compilare: main.cpp: In function 'int main()': main.cpp:16:23: warning: comparison of integer expressions of different signedness: 'long long 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:24:13: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 24 | if(p!=s.size()-1 || cnt!=1) | ~^~~~~~~~~~~~