How to create a trie in c# [closed]

This is my own code, pulled from my answer to How to find a word from arrays of characters? : public class Trie { public struct Letter { public const string Chars = “ABCDEFGHIJKLMNOPQRSTUVWXYZ”; public static implicit operator Letter(char c) { return new Letter() { Index = Chars.IndexOf(c) }; } public int Index; public char … Read more

How Do I Choose Between a Hash Table and a Trie (Prefix Tree)?

Advantages of tries: The basics: Predictable O(k) lookup time where k is the size of the key Lookup can take less than k time if it’s not there Supports ordered traversal No need for a hash function Deletion is straightforward New operations: You can quickly look up prefixes of keys, enumerate all entries with a … Read more

How to create a trie in Python

Unwind is essentially correct that there are many different ways to implement a trie; and for a large, scalable trie, nested dictionaries might become cumbersome — or at least space inefficient. But since you’re just getting started, I think that’s the easiest approach; you could code up a simple trie in just a few lines. … Read more