Compilare: user.cpp: In function ‘int main()’: user.cpp:2:24: warning: integer overflow in expression [-Woverflow] #define INF ((1LL<<63)-1) ^ user.cpp:11:14: note: in expansion of macro ‘INF’ H[i]=INF; ^ user.cpp:2:24: warning: integer overflow in expression [-Woverflow] #define INF ((1LL<<63)-1) ^ user.cpp:13:17: note: in expansion of macro ‘INF’ val=INF; ^ user.cpp:15:29: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses] val=((1LL<<i-k)-1); ^