Compilare: user.cpp: In function ‘void update(long int*, long int, long int)’: user.cpp:7:18: warning: suggest parentheses around arithmetic in operand of ‘^’ [-Wparentheses] { for(;x<=n;x+=(x&(x-1)^x)) ~^~~~~~ user.cpp: In function ‘int query(long int*, long int)’: user.cpp:12:17: warning: suggest parentheses around arithmetic in operand of ‘^’ [-Wparentheses] for(;x>0;x-=(x&(x-1)^x)) ~^~~~~~