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  2. Tree traversal - Wikipedia

    en.wikipedia.org/wiki/Tree_traversal

    Depending on the problem at hand, pre-order, post-order, and especially one of the number of subtrees − 1 in-order operations may be optional. Also, in practice more than one of pre-order, post-order, and in-order operations may be required. For example, when inserting into a ternary tree, a pre-order operation is performed by comparing items.

  3. Geometry of binary search trees - Wikipedia

    en.wikipedia.org/wiki/Geometry_of_binary_search...

    In the geometric view of the online binary search tree problem, an access sequence,..., (sequence of searches performed on a binary search tree (BST) with a key set ,,...,) is mapped to the set of points (,), where the X-axis represents the key space and the Y-axis represents time; to which a set of touched nodes is added.

  4. Binary search tree - Wikipedia

    en.wikipedia.org/wiki/Binary_search_tree

    Fig. 1: A binary search tree of size 9 and depth 3, with 8 at the root. In computer science, a binary search tree (BST), also called an ordered or sorted binary tree, is a rooted binary tree data structure with the key of each internal node being greater than all the keys in the respective node's left subtree and less than the ones in its right subtree.

  5. Trie - Wikipedia

    en.wikipedia.org/wiki/Trie

    The trie occupies less space in comparison with a BST in the case of a large number of short strings, since nodes share common initial string subsequences and store the keys implicitly. [ 12 ] : 358 The terminal node of the tree contains a non-null value, and it is a search hit if the associated value is found in the trie, and search miss if it ...

  6. Binary search - Wikipedia

    en.wikipedia.org/wiki/Binary_search

    Binary search Visualization of the binary search algorithm where 7 is the target value Class Search algorithm Data structure Array Worst-case performance O (log n) Best-case performance O (1) Average performance O (log n) Worst-case space complexity O (1) Optimal Yes In computer science, binary search, also known as half-interval search, logarithmic search, or binary chop, is a search ...

  7. 1,200 readers told us what they regret about investing for ...

    www.aol.com/1-200-baby-boomers-told-091001825.html

    Gary Lee Hayes, 70, wished he'd been more regimented with his savings and investments.The California resident briefly served in the Navy, got a degree in public administration, and worked in ...

  8. Daughter Admits She Used to Throw Plates Away Rather Than ...

    www.aol.com/daughter-admits-she-used-throw...

    Related: Woman No Longer Cooks Husband Dinner After He Refuses to Do Dishes: 'He Can Handle His Own' Later in the video, Sam dropped a big bombshell as she admitted she once faked a health crisis. ...

  9. ‘No one should have to be fighting cancer and insurance at ...

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    Instead of being able to calmly focus on her chemotherapy treatment, Arete Tsoukalas had to spend hours on the phone arguing with her insurer while receiving infusions in the hospital.