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Get a list of all trees root #5

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fermuch opened this issue Apr 29, 2017 · 0 comments

fermuch commented Apr 29, 2017

If we have the following data stored:

+--+--+  +--+--+  
|  1  |  |  3  |  
+--+--+  +--+--+  
   |        |     
+--+--+  +--+--+  
|  2  |  |  4  |  
+-----+  +-----+

Is there some way to get a list with 1 and 3, the root of both trees?

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