scapegoat tree


Definition: A binary search tree that needs no balance information. Search time is logarithmic, and the amortized cost of update is logarithmic.

Note: I. Galperin and R. L. Rivest, Scapegoat trees, Proc. 4th ACM-SIAM Symp. on Discrete Algorithms (SODA), 1993, pages 165-174.

Author: PEB

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Entry modified 24 May 2004.
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Cite this as:
Paul E. Black, "scapegoat tree", in Dictionary of Algorithms and Data Structures [online], Vreda Pieterse and Paul E. Black, eds. 24 May 2004. (accessed TODAY) Available from: