Compilare: user.cpp:14:23: warning: integer overflow in expression [-Woverflow] long long Min=(1<<31)-1; ^ user.cpp: In function ‘void precalcNext()’: user.cpp:37:15: warning: unused variable ‘dx’ [-Wunused-variable] long long dx=0,dy=1; ^ user.cpp:37:20: warning: unused variable ‘dy’ [-Wunused-variable] long long dx=0,dy=1; ^ user.cpp: In function ‘int main()’: user.cpp:175:15: warning: variable ‘multiple’ set but not used [-Wunused-but-set-variable] long long multiple; ^