Compilare: user.cpp: In function ‘int main()’: user.cpp:11:24: warning: variable ‘i’ set but not used [-Wunused-but-set-variable] int n , k , cn=n ,i , a[100], m , x ; ^ user.cpp:24:21: warning: ‘a[0]’ may be used uninitialized in this function [-Wmaybe-uninitialized] m=a[0]^m;n=m%999983; ^