Compilare: user.cpp: In function ‘void add(int, int)’: user.cpp:5:26: warning: suggest parentheses around arithmetic in operand of ‘^’ [-Wparentheses] #define zeros(x) (x^(x-1)&x) ^ user.cpp:15:35: note: in expansion of macro ‘zeros’ for (int i = index; i <= n; i += zeros(i)) ^ user.cpp: In function ‘int sumOfFirst(int)’: user.cpp:5:26: warning: suggest parentheses around arithmetic in operand of ‘^’ [-Wparentheses] #define zeros(x) (x^(x-1)&x) ^ user.cpp:22:34: note: in expansion of macro ‘zeros’ for (int i = index; i > 0; i -= zeros(i)) ^