Compilare: user.cpp: In function 'bool ok(long long int)': user.cpp:7: warning: unused variable 'ok1' user.cpp:7: warning: unused variable 'cp' user.cpp: In function 'long long int cb(long long int, long long int)': user.cpp:23: warning: left shift count >= width of type user.cpp: In function 'int main()': user.cpp:56: warning: left shift count >= width of type user.cpp: In function 'bool ok(long long int)': user.cpp:7: warning: 'p' is used uninitialized in this function