Compilare: user.cpp: In function ‘int main()’: user.cpp:37:15: warning: unused variable ‘z1’ [-Wunused-variable] long long z1,z2,z3,ct,rez; ^ user.cpp:37:18: warning: unused variable ‘z2’ [-Wunused-variable] long long z1,z2,z3,ct,rez; ^ user.cpp:37:21: warning: unused variable ‘z3’ [-Wunused-variable] long long z1,z2,z3,ct,rez; ^ user.cpp:37:24: warning: unused variable ‘ct’ [-Wunused-variable] long long z1,z2,z3,ct,rez; ^ user.cpp:37:27: warning: unused variable ‘rez’ [-Wunused-variable] long long z1,z2,z3,ct,rez; ^