Compilare: user.cpp: In function ‘void update(std::vector<int>&, int, int)’: user.cpp:4:23: warning: suggest parentheses around arithmetic in operand of ‘^’ [-Wparentheses] #define zeros(x) ((x) & (x - 1) ^ (x)) ^ user.cpp:9:41: note: in expansion of macro ‘zeros’ for (; pos < (int) aib.size(); pos += zeros(pos)) { ^ user.cpp: In function ‘int query(const std::vector<int>&, int)’: user.cpp:4:23: warning: suggest parentheses around arithmetic in operand of ‘^’ [-Wparentheses] #define zeros(x) ((x) & (x - 1) ^ (x)) ^ user.cpp:16:26: note: in expansion of macro ‘zeros’ for (; pos > 0; pos -= zeros(pos)) { ^