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Given an array of n element which contains elements from 0 to n-1, with any of these numbers appearing any number of times. Return via Boolean, whether a duplicate exists in the list. 2nd Level/Bonus: do this in O(1) space complexity. 3rd level: Is there a better solution if you are allowed to modify the existing data array?
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Software Engineer(Internship)

Interviewed at Microsoft

4★
Oct 2, 2018

Given an array of n element which contains elements from 0 to n-1, with any of these numbers appearing any number of times. Return via Boolean, whether a duplicate exists in the list. 2nd Level/Bonus: do this in O(1) space complexity. 3rd level: Is there a better solution if you are allowed to modify the existing data array?

Given a list of words, make a function to setup multiple list inputs and streamline this process. In a separate function, given a user entered word, check the stored lists for this word. If there are any periods "." in the user given word, it acts as a universal character. (ex, b.t = bat, but, bot, ect).
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Software Engineer(Internship)

Interviewed at Meta

3.6★
Feb 19, 2018

Given a list of words, make a function to setup multiple list inputs and streamline this process. In a separate function, given a user entered word, check the stored lists for this word. If there are any periods "." in the user given word, it acts as a universal character. (ex, b.t = bat, but, bot, ect).

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