Compilare: main.cpp: In function 'void update(int, int)': main.cpp:11:28: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses] 11 | for( ;x<=N; x+=x^(x-1)&x) { | ~~~~~^~ main.cpp: In function 'int query(int)': main.cpp:21:31: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses] 21 | for(ans = 0; x; x-=x^(x-1)&x) { | ~~~~~^~ main.cpp: In function 'int main()': main.cpp:46:9: warning: unused variable 'i' [-Wunused-variable] 46 | int i, v, tip, a, b; | ^