Compilare: user.cpp: In function ‘int main()’: user.cpp:36:43: warning: narrowing conversion of ‘m’ from ‘int’ to ‘std::basic_string<char>::size_type {aka unsigned int}’ inside { } [-Wnarrowing] target[i] = bitset<maxn> { str, m }; } ^ user.cpp: At global scope: user.cpp:29:11: warning: always_inline function might not be inlinable [-Wattributes] _fast int main(){ ^ user.cpp:22:11: warning: always_inline function might not be inlinable [-Wattributes] _fast int query(const int i0, const int j0){ ^ user.cpp:16:12: warning: always_inline function might not be inlinable [-Wattributes] _fast void update(const int i0, const int j0, const int l){ ^ user.cpp:11:12: warning: always_inline function might not be inlinable [-Wattributes] _fast void update(const int i0, const int j0){ ^