Compilare: user.cpp: In function ‘int main()’: user.cpp:8:12: warning: variable ‘d’ set but not used [-Wunused-but-set-variable] int a,b,d,i,k,aux,cmmdc; ^ user.cpp:8:14: warning: unused variable ‘i’ [-Wunused-variable] int a,b,d,i,k,aux,cmmdc; ^ user.cpp:8:22: warning: unused variable ‘cmmdc’ [-Wunused-variable] int a,b,d,i,k,aux,cmmdc; ^