How recommendation systems learn what keeps you scrolling, why "engagement" isn't the same as "good for you," and small ways to take some control back.
A function that calls itself sounds like a paradox. It's actually just a careful way of saying "do the same thing on a smaller problem, and know when to stop."
O(1), O(log n), O(n) and O(n²), explained with shopping trips, queues and one very inefficient way to find the eggs.
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