AVL trees are the oldest of the self-balancing binary search trees. Like other self-balancing BST's, AVL trees use rotations to enforce balancing. While the tight balancing conditions of AVL tree's result in quick search times, it also has the effect o
Normally when discussing parsing were concerned with assosciativity and operator precedence for constructing Abstract Syntax Trees using either recursive descent, or some stack driven algorithms for subsuming LL(1) or LALR(1) based grammars. When it co
Heaps are a family of trees frequently employed as priority queues as they allow the efficient location of the minimum (or maximum) element in a collection. They do this by enforcing the heap property which states that no child node has
Ahh yes, back again with some more of that sweet lisp content. I'm sure by now you've guessed that I've been ankle deep in the parens again, and i've managed to pop my head up long enough to talk about it some more. And today I want to talk about one o
When it comes to algorithms for removing an entry from a binary search tree there are two general strategies you take: removal by copying and removal by merge. Deletion by copying - sometimes referred to as "hibbard deletion" - is by far the more commo
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Procedural Map Generation with Binary Space Partitioning
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Exact Match String Searching: The Knuth-Morris-Pratt Algorithm
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The visitor pattern: OOP takes on the Expression Problem
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Improving mgcLisp's define syntax
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Separating the Men from the Boys, Knuth Style
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Reducing rotations during deletion from AVL trees
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Parsing Lisp: From Data To Code
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Swiz Heaps: A deterministic modification of Randomized Meldable Heaps
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Let's talk Eval/Apply
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BST Deletion: Removal By Merge