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Given an unsorted list of size n-1 that contains all but one number between 1 and n, write an algorithm that will detect the missing number. Can you do this in constant time? What about if there were k numbers?
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Associate Corporate & Investment Bank Technology

Interviewed at JPMorganChase

3.9
Sep 18, 2014

Given an unsorted list of size n-1 that contains all but one number between 1 and n, write an algorithm that will detect the missing number. Can you do this in constant time? What about if there were k numbers?

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