Questions tagged [trie]

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Can a trie or DAWG loop?

I am looking at DAWGs, which are compressed tries, like this: It is an acyclic graph though, and I'm wondering if you are allowed to create loops or cycles in such a data structure. For example, I am ...
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How to estimate the number of nodes in a trie based on a dictionary of words?

Say I want to build a trie out of 800,000 Sanskrit "base" words (in Devanagari script), with 20 prefixes and 2,000 possible suffixes. Each word is anywhere from 1-20 characters, and prefixes/...
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Is this Patricia tree implementation wrong?

I'm reading the chapter Radix Search of the book Algorithms (Robert Sedgwick). I've made a simple implementation and something isn't behaving as expected. In program ...
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Efficient generalized suffix array/tree construction for prefix trees

Is there any algorithm that can efficiently construct a generalized suffix tree or array (or something similar) for a set of strings represented by a prefix tree (trie)? In particular, I'm wondering: ...
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