Compilare: user.cpp: In function ‘long long int cautbin(long long int)’: user.cpp:13:21: warning: left shift count >= width of type [enabled by default] #define maxx ( 1 << 59 ) ^ user.cpp:70:10: note: in expansion of macro ‘maxx’ dr = maxx ; ^ user.cpp: In function ‘int main()’: user.cpp:93:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("gfact.in", "r", stdin); ^ user.cpp:94:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("gfact.out", "w", stdout); ^