Compilare: main.cpp: In function 'int main()': main.cpp:66:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 66 | for(i=0; i<s.size(); i++) | ~^~~~~~~~~ main.cpp:64:9: warning: 'n' may be used uninitialized in this function [-Wmaybe-uninitialized] 64 | int n,i,j,numar=-1,total=0,cnt=0; | ^