Compilare: user.cpp:2:23: warning: integer overflow in expression [-Woverflow] #define INF (1LL<<63)-1 ^ user.cpp:8:25: note: in expansion of macro ‘INF’ unsigned long long dmin=INF,ps1,ps2,d1min=INF; ^ user.cpp:2:23: warning: integer overflow in expression [-Woverflow] #define INF (1LL<<63)-1 ^ user.cpp:8:43: note: in expansion of macro ‘INF’ unsigned long long dmin=INF,ps1,ps2,d1min=INF; ^ user.cpp: In function ‘int main()’: user.cpp:16:20: warning: unused variable ‘j’ [-Wunused-variable] register int i,j,ok; ^