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OpenStudy (anonymous):
how to retrieve top 4 elements in a binary tree
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OpenStudy (shadowfiend):
Hm. It depends. Do you mean in a certain language/implementation, or do you mean in general what the algorithm would be?
OpenStudy (anonymous):
Top 4 in what way? The lowest? Largest? The four closest to the top?
OpenStudy (anonymous):
recursively... make a function that internally calls itself left right and then ends, the base case being that there are no nodes left and right
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