2001 | OriginalPaper | Buchkapitel
A New Method for Balancing Binary Search Trees
verfasst von : Salvador Roura
Erschienen in: Automata, Languages and Programming
Verlag: Springer Berlin Heidelberg
Enthalten in: Professional Book Archive
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A new balancing method for binary search trees is presented, which achieves logarithmic worst-case cost on searches and updates. The method uses the sizes of the subtrees as balancing information; therefore operations by rank are efficiently performed without any changes in the data structure. Compared to weighted binary search trees [7], which also achieve logarithmic worst-case cost by making use of the sizes of the subtrees, the operations involved with our method are likely to be less costly in most real situations.