Module Introduction to Trie

Introduction to Trie

**Frequency: 6/10** A simple data structure for strings.

Resources

- [GeeksforGeeks: Introduction to Trie](https://www.geeksforgeeks.org/introduction-to-trie-data-structure-and-algorithm-tutorials/)

Problems

Prefix 332 / 339 1200
Compare string 211 / 253 1300
Maximum score 216 / 220 1400
Report 190 / 196 1400
Maximum XOR subarray 230 / 233 1500
Query on string 142 / 157 1600
Language 110 / 112 1600
Poem 68 / 75 1800
Palindrome pairs 64 / 78 1900
Mass XOR queries 79 / 95 2000
XOR-path on tree 28 / 48 2000
The ancient book 20 / 27 2100