Compilare: main.cpp: In function 'long long int rez(long long int, long long int)': main.cpp:30:12: 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] 30 | while(p<s.size()) | ~^~~~~~~~~ main.cpp: In function 'int main()': main.cpp:61:21: warning: unused variable 'k' [-Wunused-variable] 61 | long long n, q, k, a, b; | ^