Compilare: main.cpp:135:46: warning: always_inline function might not be inlinable [-Wattributes] __attribute__ ( (always_inline)) static void remove(int num) { ^~~~~~ main.cpp:128:46: warning: always_inline function might not be inlinable [-Wattributes] __attribute__ ( (always_inline)) static void getBit(int i, int num) { ^~~~~~ main.cpp:122:39: warning: always_inline function might not be inlinable [-Wattributes] __attribute__ ( (always_inline)) void insert(int num) { ^~~~~~ main.cpp:115:46: warning: always_inline function might not be inlinable [-Wattributes] __attribute__ ( (always_inline)) static void getBit_(int i, int num) { ^~~~~~~ main.cpp: In member function 'void InputReader<T>::advance() [with T = int]': main.cpp:25:4: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread (buffer, SIZE, 1, input_file) ; ^~~~~ main.cpp: In constructor 'InputReader<T>::InputReader(const char*) [with T = int]': main.cpp:33:3: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread (buffer, SIZE, 1, input_file) ; ^~~~~