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You are given intervals of contiguous integers, like [1, 10), [15, 25), [40, 50), which are non-overlapping and of a fixed size. Design a data structure to store these intervals and have the operations of insert, delete, and find functions
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Software Engineer

Interviewed at Meta

3.5★
Mar 16, 2011

You are given intervals of contiguous integers, like [1, 10), [15, 25), [40, 50), which are non-overlapping and of a fixed size. Design a data structure to store these intervals and have the operations of insert, delete, and find functions

Q1: If there is a new Android engineer, how will you suggest the best practice of async jobs in Android? (And the detail about AsyncTask, Executor, Thread interrupt, memory leak...and so on) Q2: Give an unsorted array, find the kth smallest item (Can you do it more quickly?)
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Android Developer

Interviewed at Meta

3.5★
Dec 18, 2016

Q1: If there is a new Android engineer, how will you suggest the best practice of async jobs in Android? (And the detail about AsyncTask, Executor, Thread interrupt, memory leak...and so on) Q2: Give an unsorted array, find the kth smallest item (Can you do it more quickly?)

Design an enumerator (e.g. named FBSuperEnumerator) that has two API's: - (id) nextObject; - (NSArray *) allObjects; // all objects remaining which, when given an input array that has content that can be either NSNumbers or NSArray, will expand all arrays embedded inside it. That is, given an input of something like @[@1, @[@2, @[@3, @4]], @[ ], @5], each call to nextObject will display items in the expected order.
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IOS Developer

Interviewed at Meta

3.5★
Oct 19, 2017

Design an enumerator (e.g. named FBSuperEnumerator) that has two API's: - (id) nextObject; - (NSArray *) allObjects; // all objects remaining which, when given an input array that has content that can be either NSNumbers or NSArray, will expand all arrays embedded inside it. That is, given an input of something like @[@1, @[@2, @[@3, @4]], @[ ], @5], each call to nextObject will display items in the expected order.

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