midTrie
Case-insensitive Tries
Updated Apr 28, 2026
Short answer
Convert all characters to a standard case before insertion or use a larger child array.
Deep explanation
Mid-level analysis of Case-insensitive Tries. Focuses on algorithmic variations and efficiency trade-offs in real applications.
Real-world example
Search engine search bars.
Common mistakes
- Searching for a prefix and returning the entire Trie instead of just child words.
Follow-up questions
- How to limit autocomplete results?