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Grokking the Coding Interview Patterns

Solution: Poor Pigs

Understand how to compute the minimum number of pigs required to identify a poisonous bucket among many within a given time frame. Explore the use of rounds, distinguishable outcomes per pig, and logarithmic calculations to optimize your testing strategy.

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Statement

You have buckets buckets of liquid, exactly one of which is poisonous. Your goal is to identify the poisonous bucket by feeding liquid to some number of pigs and observing whether they survive or die. You have a total of minutesToTest minutes to determine which bucket contains the poison.

The experiment proceeds in rounds according to the following rules:

  • Select any number of live ...