Compilare: user.cpp: In function ‘int main()’: user.cpp:15:11: warning: unused variable ‘maxi’ [-Wunused-variable] int i,maxi=0; ^ user.cpp:16:10: warning: variable ‘ok’ set but not used [-Wunused-but-set-variable] bool ok; ^ user.cpp:22:9: warning: variable ‘rz’ set but not used [-Wunused-but-set-variable] int rz,ct; ^