Compilare: user.cpp: In function ‘void diviz(int, long long int)’: user.cpp:43:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (pos == prim.size()) ^ user.cpp: In function ‘int main()’: user.cpp:64:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i<divisors.size();i++) ^ user.cpp:76:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i<divisors.size();i++) ^