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  2. Binary tree - Wikipedia

    en.wikipedia.org/wiki/Binary_tree

    A full binary tree An ancestry chart which can be mapped to a perfect 4-level binary tree. A full binary tree (sometimes referred to as a proper, [15] plane, or strict binary tree) [16] [17] is a tree in which every node has either 0 or 2 children.

  3. Tree traversal - Wikipedia

    en.wikipedia.org/wiki/Tree_traversal

    The function inorderNext [2]: 60 returns an in-order-neighbor of node, either the in-order-successor (for dir=1) or the in-order-predecessor (for dir=0), and the updated stack, so that the binary search tree may be sequentially in-order-traversed and searched in the given direction dir further on.

  4. List of abstractions (computer science) - Wikipedia

    en.wikipedia.org/wiki/List_of_abstractions...

    Avoids stack overflow in recursive functions, making them as memory-efficient as iterations. Currying: The process of transforming a function that takes multiple arguments into a sequence of functions each with a single argument. Simplifies the creation of specialized functions from more general ones and enhances function composition. Lazy ...

  5. Binary expression tree - Wikipedia

    en.wikipedia.org/wiki/Binary_expression_tree

    Stack growing from left to right. The next symbol is a '+'. It pops the two pointers to the trees, a new tree is formed, and a pointer to it is pushed onto the stack. Formation of a new tree. Next, c, d, and e are read. A one-node tree is created for each and a pointer to the corresponding tree is pushed onto the stack. Creating a one-node tree

  6. Fenwick tree - Wikipedia

    en.wikipedia.org/wiki/Fenwick_tree

    A Fenwick tree or binary indexed tree (BIT) is a data structure that stores an array of values and can efficiently compute prefix sums of the values and update the values. It also supports an efficient rank-search operation for finding the longest prefix whose sum is no more than a specified value.

  7. 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.

  8. Stack Overflow - Wikipedia

    en.wikipedia.org/wiki/Stack_Overflow

    Stack Overflow is a question-and-answer website for computer programmers. It is the flagship site of the Stack Exchange Network . [ 2 ] [ 3 ] [ 4 ] It was created in 2008 by Jeff Atwood and Joel Spolsky .

  9. Scapegoat tree - Wikipedia

    en.wikipedia.org/wiki/Scapegoat_tree

    In computer science, a scapegoat tree is a self-balancing binary search tree, invented by Arne Andersson [2] in 1989 and again by Igal Galperin and Ronald L. Rivest in 1993. [1] It provides worst-case O ( log ⁡ n ) {\displaystyle {\color {Blue}O(\log n)}} lookup time (with n {\displaystyle n} as the number of entries) and O ( log ⁡ n ...