Compilare: user.cpp: In function ‘int main()’: user.cpp:8:30: warning: unused variable ‘k’ [-Wunused-variable] long i,z=0,z1=0,p,h=0,j,d=1,k,aux; ^ user.cpp:9:36: warning: variable ‘b1’ set but not used [-Wunused-but-set-variable] long a[501],b[501],v[501],a1[501],b1[501]; ^