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Analytical Interview Questions

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Analytical Interview Questions

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You are standing beside a road watching cars pass by. The probability that you see a car pass by in 1 minute is 1/4. What is the probability that you see a car pass by in 30 seconds?

8 Answers

You have a genealogy: 1) Describe a data structure to represent it. 2) Given any two people within the genealogy, describe an algorithm to determine if they share a common ancestor. You just need to return true/false, not all ancestors.

6 Answers

What was the hardest thing you ever had to do in your prior work experience?

7 Answers

Given a (potentially large) array of integers, all but one repeating an even number of times, how would you find the one repeating an odd number of times in an efficient way? eg [1 2 3 3 2 2 1 4 2] should return 4

7 Answers

Another was a puzzle: A king orders 100 bottles of wine for a celebration. A courtier who's angry with the king over something puts poison in one of those bottles. The king has a way of identifying the poisoned bottle by giving a few drops of wine to a monkey. Since the poison is fast acting, the monkey will die immediately. Whats the minimum number of monkeys needed to find the poisoned bottle?

5 Answers

How do you check if a Linked List has a recurring loop?

4 Answers

What is your main weakness?

4 Answers

Given two base classes and a class derived from them how might one layout class instance memory so that polymorphism will work correctly. Problem was simplified in that one could assume memory was a series of same-sized slots and methods and attributes took up one slot each.

3 Answers

Can you fill in for a system manager.`

3 Answers

How to come out of a maze given that you can move one step at a time and you cannot turn left.

3 Answers
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