Eroare de compilare: user.cpp: In function ‘num_t GetNumOfDigits(num_t)’: user.cpp:21:8: error: unable to find numeric literal operator ‘operator""ui64’ n /= 10ui64; ^~~~~~ user.cpp:21:8: note: use -std=gnu++11 or -fext-numeric-literals to enable more built-in suffixes user.cpp: At global scope: user.cpp:105:5: warning: first argument of ‘int main(num_t, char**)’ should be ‘int’ [-Wmain] int main(num_t, char *[]) ^~~~