Compilare: user.cpp: In function ‘void radix(long long int)’: user.cpp:24:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] { for(j=0;j<vec[i].size();++j) ^ user.cpp: In function ‘int main()’: user.cpp:46:24: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘long long int*’ [-Wformat=] scanf("%d", &v[i]); ^