Compilare: user.cpp: In function ‘void update(int, int)’: user.cpp:5:19: warning: suggest parentheses around arithmetic in operand of ‘^’ [-Wparentheses] #define zeros(x) x&(x-1)^x ^ user.cpp:12:25: note: in expansion of macro ‘zeros’ for(int i=poz; i<=n; i+=zeros(i)){ ^ user.cpp: In function ‘int query(int)’: user.cpp:5:19: warning: suggest parentheses around arithmetic in operand of ‘^’ [-Wparentheses] #define zeros(x) x&(x-1)^x ^ user.cpp:20:24: note: in expansion of macro ‘zeros’ for(int i=poz; i>0; i-=zeros(i)){ ^ user.cpp: In function ‘int main()’: user.cpp:60:17: warning: ‘pmx’ may be used uninitialized in this function [-Wmaybe-uninitialized] sir(pmx, mx); ^