Compilare: user.cpp: In function ‘void update(int, int)’: user.cpp:8:53: warning: suggest parentheses around arithmetic in operand of ‘^’ [-Wparentheses] for (int pi = p; pi <= n; pi = pi + (pi ^ (pi - 1) & pi)) ^ user.cpp: In function ‘int query(int)’: user.cpp:15:52: warning: suggest parentheses around arithmetic in operand of ‘^’ [-Wparentheses] for (int pi = p; pi > 0; pi = pi - (pi ^ (pi - 1) & pi)) ^