Abstract
Concise well-structured non-recursive algorithms for traversing triply linked binary trees in the three principal orders are presented and shown to be closely related.
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Fenner, T.I., Loizou, G. A note on traversal algorithms for triply linked binary trees. BIT 21, 153–156 (1981). https://doi.org/10.1007/BF01933159
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DOI: https://doi.org/10.1007/BF01933159