Compilare: user.cpp: In function ‘int main()’: user.cpp:10:27: warning: unused variable ‘j’ [-Wunused-variable] int n,x,nrzile=0,cn,a,j,nr,z,y; ^ user.cpp:10:32: warning: unused variable ‘z’ [-Wunused-variable] int n,x,nrzile=0,cn,a,j,nr,z,y; ^ user.cpp:22:9: warning: unused variable ‘nrz’ [-Wunused-variable] int nrz,p,l,k; ^ user.cpp:149:9: warning: ‘y’ may be used uninitialized in this function [-Wmaybe-uninitialized] g<<y; ^