Definition: (1) In a binary search tree, pushing a node N down and to the right to balance the tree. N's left child replaces N, and the left child's right child becomes N's left child. (2) In an array, moving all items to the next higher location. The last item is moved to the first location, which is now vacant. (3) In a list, removing the tail and inserting it at the head.
Also known as rotate right.
See also left rotation, double right rotation, rotation.
Note: Also known as right single rotation, in contrast with a double right rotation.
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Entry modified 16 November 2009.
HTML page formatted Tue Dec 6 16:16:32 2011.
Cite this as:
Bob Bockholt, "right rotation", in Dictionary of Algorithms and Data Structures [online], Paul E. Black, ed., U.S. National Institute of Standards and Technology. 16 November 2009. (accessed TODAY) Available from: http://www.nist.gov/dads/HTML/rightrotatn.html