Developer Database Oracle Interview Questions

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The first Jedi question was this: given an unsorted array of numbers, like [1, 3, 5, 4, 2], write a function that takes an integer and returns true if there's any pair of numbers in that array that can be summed up to the input integer.
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IOS Developer

Interviewed at Meta

3.5
Oct 19, 2017

The first Jedi question was this: given an unsorted array of numbers, like [1, 3, 5, 4, 2], write a function that takes an integer and returns true if there's any pair of numbers in that array that can be summed up to the input integer.

In an array you have all the numbers from 1 through n (not in order) with one number missing. Find that number. Now, you have two numbers missing. Find both the numbers. Notes: O(n) time solution, O(1) extra space. n may be very large, so beware of overflows!
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Software Engineer

Interviewed at Addepar

3.9
Mar 25, 2015

In an array you have all the numbers from 1 through n (not in order) with one number missing. Find that number. Now, you have two numbers missing. Find both the numbers. Notes: O(n) time solution, O(1) extra space. n may be very large, so beware of overflows!

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