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2. AVL tree - Wikipedia

   en.wikipedia.org/wiki/AVL_tree

   The result of the first, the right, rotation is shown in the middle third of the figure. (With respect to the balance factors, this rotation is not of the same kind as the other AVL single rotations, because the height difference between Y and t 4 is only 1.) The result of the final left rotation is shown in the lower third of the figure.

3. Tree rotation - Wikipedia

   en.wikipedia.org/wiki/Tree_rotation

   Tree rotations are used in a number of tree data structures such as AVL trees, red–black trees, WAVL trees, splay trees, and treaps. They require only constant time because they are local transformations: they only operate on 5 nodes, and need not examine the rest of the tree.

4. Weight-balanced tree - Wikipedia

   en.wikipedia.org/wiki/Weight-balanced_tree

   Binary tree rotations. Operations that modify the tree must make sure that the weight of the left and right subtrees of every node remain within some factor α of each other, using the same rebalancing operations used in AVL trees: rotations and double rotations. Formally, node balance is defined as follows:

5. Join-based tree algorithms - Wikipedia

   en.wikipedia.org/wiki/Join-based_tree_algorithms

   In 2016, Blelloch et al. formally proposed the join-based algorithms, and formalized the join algorithm for four different balancing schemes: AVL trees, red–black trees, weight-balanced trees and treaps. In the same work they proved that Adams' algorithms on union, intersection and difference are work-optimal on all the four balancing schemes.

6. Lions, already decimated on defense, lose 2 cornerbacks to ...

   www.aol.com/sports/lions-already-decimated...

   The Detroit Lions' injury woes on defense continued Sunday, with the team losing two cornerbacks in the first half of their 48-42 loss to the Buffalo Bills.Carlton Davis III and Khalil Dorsey were ...

7. Red–black tree - Wikipedia

   en.wikipedia.org/wiki/Red–black_tree

   The worst-case height of AVL is 0.720 times the worst-case height of red-black trees, so AVL trees are more rigidly balanced. The performance measurements of Ben Pfaff with realistic test cases in 79 runs find AVL to RB ratios between 0.677 and 1.077, median at 0.947, and geometric mean 0.910. [22]

8. 32 text messages your horse would send you (if they could, of ...

   www.aol.com/32-text-messages-horse-send...

   The good news is that the farrier is in the area and can shoe your horse right away. However, in all the excitement your horse is having far too much fun to be caught.

9. Researchers Found A Link Between This Childhood Virus And ...

   www.aol.com/researchers-found-between-childhood...

   A new study found a link between cytomegalovirus (CMV) and Alzheimer's disease. Here's what a neurologist wants you to know, plus how to protect yourself.