Microsoft Interview Question for Software Engineer Interns
- 2of 2 votes
Just a disclaimer: I doubt you will ever get this interview question. My interviewer even started off by saying, "Hmm, well this isn't really fair, but..." So don't place too much stock in whether or not you can solve this.- oxymoronic2012 November 02, 2016 in United States for Bing
Question: You have a group of pigs and buckets of food for said pigs. There are 1,000 buckets of food, and exactly 1 of them is poisoned. Your goal is to determine, by the end of 1 hour, which bucket is poisoned.
The poison takes 30 minutes to kill a pig, and you'd like to kill as few pigs as possible. The number of pigs you can test is limitless, and you can assign a number to each bucket and each pig so that you know exactly which pig ate from which bucket(s). You determine which buckets to feed to which pigs, but you have no timer and no way to guesstimate the time. What is the minimum number of pigs you need to use to solve the problem?
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