Compilare: user.cpp: In function ‘void update(int, int)’: user.cpp:2:34: warning: suggest parentheses around arithmetic in operand of ‘^’ [-Wparentheses] #define zeros( x ) ( x ^ (x - 1) & x ) ^ user.cpp:55:37: note: in expansion of macro ‘zeros’ for(int i = index; i <= n; i += zeros(i) ) ^ user.cpp: In function ‘int AIB_sum(int)’: user.cpp:2:34: warning: suggest parentheses around arithmetic in operand of ‘^’ [-Wparentheses] #define zeros( x ) ( x ^ (x - 1) & x ) ^ user.cpp:62:37: note: in expansion of macro ‘zeros’ for(int i = index; i >= 1; i -= zeros(i)) ^