Compilare: main.cpp: In function 'void add(int, int, int)': main.cpp:10:42: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses] for(i = x; i <= n; i += (i ^ (i - 1) & i)) ~~~~~~~~^~~ main.cpp: In function 'int compute(int)': main.cpp:16:42: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses] for(i = x; i >= 1; i -= (i ^ (i - 1) & i)) ~~~~~~~~^~~ main.cpp: In function 'int main()': main.cpp:22:18: warning: unused variable 'j' [-Wunused-variable] int n, i, t, j, b, d, x, m, a, b1, b2; ^