Compilare: user.cpp: In function ‘int main()’: user.cpp:41:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j,n,cnt,tmp,p=1; ^ user.cpp:41:19: warning: unused variable ‘tmp’ [-Wunused-variable] int i,j,n,cnt,tmp,p=1; ^ user.cpp:25:13: warning: ‘cnt’ may be used uninitialized in this function [-Wmaybe-uninitialized] return x*y/z; ^ user.cpp:41:15: note: ‘cnt’ was declared here int i,j,n,cnt,tmp,p=1; ^