Compilare: main.cpp: In function 'int main()': main.cpp:17:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 17 | for(int i=0; i<s.size(); i++) | ~^~~~~~~~~ main.cpp:15:28: warning: unused variable 'pozeg' [-Wunused-variable] 15 | int nr=0,s1=0,sx=0,pozeg=0; | ^~~~~