juniorTrie

What is the search complexity in a Trie?

Updated Apr 28, 2026

Short answer

O(L), where L is the length of the target string, regardless of the number of words stored.

Deep explanation

Detailed theoretical explanation of What is the search complexity in a Trie?. A Trie (retrieval tree) stores keys in a path from root to leaf. It is highly efficient for prefix-based queries.

Real-world example

Dictionary apps or spell checkers.

Common mistakes

  • Forgetting to mark the 'isEndOfWord' flag, resulting in failed searches for complete words.

Follow-up questions

  • Can a Trie store integers?

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