A Tango tree is a type of binary search tree proposed by Erik D. Demaine, Dion Harmon, John Iacono, and Mihai Patrascu in 2004. It is an online binary search tree that achieves an competitive ratio relative to the optimal offline binary search tree, while only using additional bits of memory per node. This improved upon the previous best known competitive ratio, which was .
Famous quotes containing the word tree:
“The problems of the world, AIDS, cancer, nuclear war, pollution, are, finally, no more solvable than the problem of a tree which has borne fruit: the apples are overripe and they are falling—what can be done?... Nothing can be done, and nothing needs to be done. Something is being done—the organism is preparing to rest.”
—David Mamet (b. 1947)