Compilare: user.cpp: In function ‘int main()’: user.cpp:10:13: warning: unused variable ‘k’ [-Wunused-variable] int n,b,k,si,pi; ^ user.cpp:10:15: warning: unused variable ‘si’ [-Wunused-variable] int n,b,k,si,pi; ^ user.cpp:10:18: warning: unused variable ‘pi’ [-Wunused-variable] int n,b,k,si,pi; ^