Compilare: user.cpp:11:28: warning: integer constant is so large that it is unsigned [enabled by default] unsigned long long lim=dim/2+1,dist=dim/2+1,s=0,st=0,smax=0; ^ user.cpp:11:41: warning: integer constant is so large that it is unsigned [enabled by default] unsigned long long lim=dim/2+1,dist=dim/2+1,s=0,st=0,smax=0; ^ user.cpp: In function ‘int main()’: user.cpp:29:19: warning: ‘nivel’ may be used uninitialized in this function [-Wmaybe-uninitialized] out<<nivel; ^