Build a Trie for Autocomplete

prefix tree with pruning delete

Challenge 1 of Indexes & StructuresBeginner~45 minFree

Build a prefix tree: insert and search words, test prefixes, collect autocomplete suggestions, delete with pruning, and count words under any prefix.

5 steps

1. 1Insert and Search
2. 2Prefix Matching
3. 3Autocomplete
4. 4Delete with Pruning
5. 5Counting