Compilare: main.cpp: In function 'int main()': main.cpp:37:50: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses] res += max(0, get_nr_mod2(right_bound, M & 1 ^ nr_carbins & 1) - get_nr_mod2(left_bound - 1, M & 1 ^ nr_carbins & 1)); ~~^~~ main.cpp:37:104: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses] res += max(0, get_nr_mod2(right_bound, M & 1 ^ nr_carbins & 1) - get_nr_mod2(left_bound - 1, M & 1 ^ nr_carbins & 1)); ~~^~~