Tries & Suffix Trees

Module 4.7 — Prefix tree construction and search

Preset:

Trie Structure

∅
Internal
End of word
Search match

Words (0)

No words inserted

Trie Stats

Words0
Nodes1
Max Depth0

Time Complexity

InsertO(m)
SearchO(m)
PrefixO(m + k)
DeleteO(m)

How Tries Work

Each node represents a character. Paths from root to marked nodes form words.
Yellow nodes mark end of a valid word.
Common prefixes share the same path, saving space.
Used in: autocomplete, spell-check, IP routing, DNA sequencing.