Tool Design Interview Questions

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In a tree structure of parent/child nodes, with 2 starting points, while "walking" up the tree, how would you programmatically determine the lowest common denominator node? You cannot determine a whether a parent node has a child or how many children it has.
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Internal Tools Developer

Interviewed at Quantcast

3.2
Jul 28, 2013

In a tree structure of parent/child nodes, with 2 starting points, while "walking" up the tree, how would you programmatically determine the lowest common denominator node? You cannot determine a whether a parent node has a child or how many children it has.

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