Compilare: user.cpp: In function ‘int main()’: user.cpp:44:9: warning: unused variable ‘i’ [-Wunused-variable] int i,j,k,dif,nr=1,up,pp,a,b,ue,uk,uee,ukk; ^ user.cpp:44:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j,k,dif,nr=1,up,pp,a,b,ue,uk,uee,ukk; ^ user.cpp:44:40: warning: variable ‘uee’ set but not used [-Wunused-but-set-variable] int i,j,k,dif,nr=1,up,pp,a,b,ue,uk,uee,ukk; ^ user.cpp:88:17: warning: ‘uk’ may be used uninitialized in this function [-Wmaybe-uninitialized] ukk=uk%4+1; ^ user.cpp:81:28: warning: ‘ue’ may be used uninitialized in this function [-Wmaybe-uninitialized] out<<"DA"<<"\n"<<ue; ^