Compilare: main.cpp: In function 'int main()': main.cpp:20:13: 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] 20 | if(i==s.size()-1) | ~^~~~~~~~~~~~ main.cpp:11:15: warning: unused variable 'n' [-Wunused-variable] 11 | long long n,i,j,k,l,sumatotal=0,f,numar=0,rele=0; | ^ main.cpp:11:19: warning: unused variable 'j' [-Wunused-variable] 11 | long long n,i,j,k,l,sumatotal=0,f,numar=0,rele=0; | ^ main.cpp:11:21: warning: unused variable 'k' [-Wunused-variable] 11 | long long n,i,j,k,l,sumatotal=0,f,numar=0,rele=0; | ^ main.cpp:11:23: warning: unused variable 'l' [-Wunused-variable] 11 | long long n,i,j,k,l,sumatotal=0,f,numar=0,rele=0; | ^