Compilare: user.cpp:5:45: warning: always_inline function might not be inlinable [-Wattributes] __attribute__((always_inline)) unsigned int get_number() ^~~~~~~~~~ user.cpp: In function ‘unsigned int get_number()’: user.cpp:13:31: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] ++p == IN_BUFFER_SIZE && (fread(inBuffer, 0x1, IN_BUFFER_SIZE, stdin), p = 0x0); ~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ user.cpp:20:31: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] ++p == IN_BUFFER_SIZE && (fread(inBuffer, 0x1, IN_BUFFER_SIZE, stdin), p = 0x0); ~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ user.cpp: In function ‘int main()’: user.cpp:32:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cautbin.in", "r", stdin); ^ user.cpp:33:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cautbin.out", "w", stdout); ^