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In computer science, a red–black tree is a self-balancing binary search tree data structure noted for fast storage and retrieval of ordered information. The nodes in a red-black tree hold an extra "color" bit, often drawn as red and black, which help ensure that the tree is always approximately balanced.
The adults are about 13 millimetres (0.51 in) long with a dark brown or black coloration, relieved by red wing veins and markings on the abdomen, with dark red eyes; nymphs are bright red. [2] Boxelder bugs feed almost entirely on the developing seeds of boxelder, maple, and ash trees. [1]
AA trees are named after their originator, Swedish computer scientist Arne Andersson. [1] AA trees are a variation of the red–black tree, a form of binary search tree which supports efficient addition and deletion of entries. Unlike red–black trees, red nodes on an AA tree can only be added as a right subchild.
In the northern part of its range, Quercus velutina is a relatively small tree, reaching a height of 20–25 metres (66–82 feet) and a diameter of 90 centimetres (35 inches), but it grows larger in the south and center of its range, where heights of up to 42 m (138 ft) are known.
Red-black or Redblack may refer to: Ottawa Redblacks, a Canadian football team; Red/black concept, a concept in cryptography; Red-black striped snake, a colubrid snake; Red–black tree, a type of self-balancing binary search tree used in computer science
An example of simplicial complex, and the corresponding simplex tree data structure. Notice the two lowest nodes have a path of 4 to the node, indicating the 2 3-dimensional simplexes composed of 4 vertices each. In topological data analysis, a simplex tree is a type of trie used to represent efficiently any general simplicial complex.