Explain trie data structure.

Trie is an ordered tree data structure that is used to store a dynamic set or associative array where the keys are usually strings. Unlike a binary search tree, no node in the tree stores the key associated with that node; instead, its position in the tree defines the key with which it is associated.

An trie is also called digital tree, radix tree or prefix tree.

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DataStructures / Data structures Interview questions

Explain trie data structure.

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