Algorithm Atlas

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Learn Trie with visual DSA lessons

Learn Trie with 3 DSA patterns and 11 visual lessons. Follow step-by-step animations and synced C#, Python, and Java code.

A trie stores words as shared letter paths.

Basic Trie Operations

Insert and search words one letter at a time.

Implement Trie (Prefix Tree) Medium · Follow one character path
Add and Search Word Medium · Follow one character path
Longest common prefix Medium · Follow one character path
Longest word in dictionary Medium · Follow one character path
Search Suggestions System Medium · Follow one character path

Word Break / Segmentation

Split text using complete words stored in a trie.

Word Break Medium · Follow one character path
Replace Words Medium · Follow one character path
Concatenated Words Hard · Follow one character path

Bitwise Trie / XOR

Store binary numbers as paths of zeroes and ones.

Maximum XOR of Two Numbers in Array Medium · Follow one character path
Bit Manipulation / Subset XOR Problems Medium · Follow one character path
Maximum XOR With an Element From Array Hard · Follow one character path