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How would you design a system that, using a mobile app, shows to the user the n closest points of interest? Assuming you are not using any DB that supports spatial operations, how would you find the n closest points? How the components (backend - applications) should communicate?
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Software Engineer - Android

Interviewed at Uber

3.7
Aug 2, 2016

How would you design a system that, using a mobile app, shows to the user the n closest points of interest? Assuming you are not using any DB that supports spatial operations, how would you find the n closest points? How the components (backend - applications) should communicate?

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