Trie

Search tree data structure

In computer science, a trie, also called digital tree or prefix tree, is a type of search tree: specifically, a k-ary tree data structure used for locating specific keys from within a set. These keys are most often strings, with links between nodes defined not by the entire key, but by individual characters. In order to access a key, the trie is traversed depth-first, following the links between nodes, which represent each character in the key.

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