Compilare: user.cpp: In function ‘int getint()’: user.cpp:18: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result user.cpp:21: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result user.cpp: In function ‘void LgPow(long long int)’: user.cpp:51: warning: unused variable ‘i’ user.cpp:51: warning: unused variable ‘j’