Compilare: user.cpp: In function ‘void Update(int, int, int, int, int)’: user.cpp:28:11: warning: statement has no effect [-Wunused-value] for (x; (sign == 1 ? x <= n : x > 0); x += sign * (x & -x)) ^ user.cpp: In function ‘short int Query(int, int, int, int)’: user.cpp:34:11: warning: statement has no effect [-Wunused-value] for (x; (sign == 1 ? x <= n : x > 0); x += sign * (x & -x)) ^