3 ms·
n articles about Apple, followed by 2n articles not about Apple, with n = 0, 1, 2, 3 (Well, we can't say for sure about n=3)
by rcfox 17y ago
n articles about Apple, followed by 2n articles not about Apple, with n = 0, 1, 2, 3 (Well, we can't say for sure about n=3)