Logic puzzles

How Many of These Stupid-Hard Puzzles Can You Solve?

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Alicia and Bruno are each given a different natural number in secret (1 is the smallest natural number, 2 is the second smallest, and so on). They are then tasked with guessing which of them has the larger number. The following conversation ensues: Alicia: I don’t know who has the bigger number. Bruno: I don’t … Read more

Do Your Coworkers Make More Money Than You?

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We all keep secrets. It’s easy to do once you’ve committed to it. Just don’t say anything. But it can be harder when you want to share a little bit of information, without your confidante inferring tea that you didn’t intend to spill. Computer scientists often draw this distinction between security and privacy. Security focuses … Read more